Answer:
Amylopectin is an insoluble form of starch
Explanation:
Amylopectin is an insoluble form of starch
processes of photosynthesis and respiration.
Discuss the dynamics of each. In your discussion be sure to include ….
which kingdom undergoes each process(2pts),
reactants and products of each (2pts),
cell organelle involved in each process (2pts),
organ involved in respiration (2pts).
Photosynthesis occurs in plants while respiration occurs in the animals.
What is photosynthesis?The term photosynthesis has to do with the reaction of carbon dioxide and water to give sugars and oxygen. This occurs in the chloroplast of the organisms that can be found in the plant kingdom. The leave is the organ of the plant where the photosynthesis takes place. Thus, the process is used by the plants to be able to manufacture there own food in the presence of sunlight and chlorophyll.
Respiration occurs in the organisms that are found in the animal kingdom. The process of respiration occurs in the mitochondrion of the animal cell. We know that the process of respiration involves the combination of sugars and oxygen to give carbon dioxide and water. The lungs is the organ that is responsible for respiration in animals. This process is used by the animals to break down the complex sugar molecules so as to obtain the energy that is required for the animal to able to carry out the activities that is required for the animals to be able to carry out.
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how might the cost of medical technology influence the choices to consumers?
Answer: Researchers generally agree that medical technology has contributed to rising health care costs (1-3). Health insurance removes financial barriers to
Explanation:
Researchers observe that an amoeba appears incapable of forming pseudopods for movement. They conclude that its immobility may be caused by the absence of the protein?.
Immobility of amoeba, may be caused by the absence of actin.
The pseudopodial movement is typically used by the Amoeba to move in the direction of food molecules. The pseudopodia surrounds the food molecule from both sides before eventually swallowing it whole. As a result, pseudopodia are utilized in movement and as a method for capturing prey or obtaining the necessary nutrients.
Because actin is the primary protein, actin polymers push their membrane as they grow, resulting in the formation of the pseudopod. The pseudopodium then uses its adhesion proteins (integrins, for example) to stick to a surface and pull the cell's body forward by contracting an actin-myosin complex in the pseudopod.
Researchers observe that an amoeba appears incapable of forming pseudopods for movement. They conclude that its immobility may be caused by the absence of the protein
a. collagen
b. kinesin
c. tubulin
d. dynein
e. actin
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A
Which of the following is a reasonable claim the researchers can make based on the data in the graphs?
B
C
2
Crabs are more abundant in areas with high salinity than in areas with low salinity.
Crab populations are most limited where salinity range between 10 and 15 psu.
3
Salinity does not influence crab populations because the number of crabs fluctuates across the five sites.
D Crab populations are larger in areas with low salinity than in areas with high salinity.
5
The answer is A. Crabs are more abundant in areas with high salinity than in areas with low salinity is a reasonable claim the researchers can make based on the data in the graphs.
Explanation:
A) Crabs are more abundant in areas with high salinity than in areas with low salinity
This is a reasonable claim because the data in the graphs show that the average number of crabs per trap is higher in sites 1 and 2, which have the highest salinity levels, than in sites 3, 4, and 5, which have lower salinity levels. The claim is also supported by the error bars, which indicate the range of variation in the data. The error bars for sites 1 and 2 do not overlap with the error bars for sites 3, 4, and 5, suggesting that the difference in crab abundance between the high and low salinity sites is statistically significant.
B) Crab populations are most limited where salinity range between 10 and 15 psu.
This is not a reasonable claim because the data in the graphs do not show a clear relationship between salinity and crab abundance in this range. Site 3 has a salinity of about 10 psu and a low average number of crabs per trap, but site 4 has a similar salinity and a higher average number of crabs per trap. Site 5 has a salinity of about 15 psu and a low average number of crabs per trap, but site 2 has a higher salinity and a much higher average number of crabs per trap. The claim is also not supported by the error bars, which show a large overlap in the data for sites 3, 4, and 5, suggesting that the difference in crab abundance among these sites is not statistically significant.
C) Salinity does not influence crab populations because the number of crabs fluctuates across the five sites.
This is not a reasonable claim because the data in the graphs do show a general trend of higher crab abundance in higher salinity sites, as explained in claim A. The claim also ignores the possible effects of other factors that may influence crab populations, such as temperature, food availability, predation, and competition. The claim is too simplistic and does not account for the variability and complexity of the data.
D) Crab populations are larger in areas with low salinity than in areas with high salinity.
This is not a reasonable claim because the data in the graphs show the opposite trend, as explained in claim A. The claim is contradicted by the evidence and does not reflect the data.
Phospholipids are found in a limited number of foods. They consists of a glycerol backbone with two fatty acids and a compound that contains phosphate. Why are they important in food and in the body?.
A substance with one or more hydroxyl groups is alcohol. A saturated carbon atom is joined to the hydroxyl functional group. 1. Alcohols are a class of volatile hydroxyl chemicals created by distilling hydrocarbons.
Answer is alcohol
The body's reaction to alcohol is what?Alcohol is a depressant of the central nervous system. This indicates that the medication slows brain activity. Your mood, conduct, and self-control may change as a result. It may impair one's memory and ability to think coherently. Your physical control and coordination may be impacted by alcohol as well.
Alcohol has an impact on all of your body's organs. It might increase your heart rate and blood pressure, for instance. If you consume too much alcohol at once, you might become sick.
The effects of alcohol vary from person to person and depend on a number of variables, including:
your alcohol consumptionhow soon you consumed ithow much food you consumed before drinkingYou areYour sexual orientationYour ethnicity or raceYour state of healthRegardless matter whether your family has a history of drinking issuesA typical drink in the US comprises approximately 14 grams of pure alcohol, which can be found in:
A 12-ounce beer with a 5% alcohol contentWine with a 12% alcohol content, 5 ouncesA "shot" or 1.5 ounces of 40% alcohol-containing distilled spirits or liquorTo Learn more About alcohol., Refer:
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Many of the drugs of abuse share the tendency to increase levels of which neurotransmitter in the brain?
Select one:
a.
Melatonin
b.
GABA
c.
Serotonin
d.
Dopamine
Answer: Dopamine
Explanation:
Drugs of abuse such as methamphetamine and morphine increase the levels of dopamine in the central nervous system. Dopamine has a variety of functions but functions mainly in motivation and reward mechanism. People doing drugs of abuse create a pleasurable sensation in which there is a dopamine surge every time they use drugs. In the absence of drugs, the body "looks" for the pleasure thereby causing the person to be drug-dependent and addicted.
Drugs of abuse that are commonly abused by people are alcohol, cocaine, MA, heroin, marijuana, nicotine.
Most of these drugs increase the level of dopamine in the brain.
Dopamine is an amine neurotransmitter which generates feelings of pleasure and thus creates a sense of euphoria.
Further, this neurotransmitter is also responsible for reward behavior and thus generates a feeling of satisfaction in the abuser.
Please give a thanks or 5 stars if this helped!
Answer: D. Dopamine
Explanation:
Dopamine is the neurotransmitter that has been classically associated with the reinforcing effects of drugs of abuse and may have a key role in triggering the neurobiological changes associated with addiction.
what is the reason that an island in the ocean that is 5 kilometers from a continent would have a higher number of species than one that is 15 kilometers from a continent based on the theory of island biogeography
Species evolve more in the island near the continent than the far one due to environmental conditions and availability of resources.
What is theory of island biogeography and why the species evolve more on island near continent?Theory of island biogeography explains the diversity of species increases as they disperse from islands.Here in the question is asked the reason of more species evolving in the island near continent than far.Apart the environmental condition better for the species in the island , than the island far from the continent.There is a food factor too, which is best at island near the continent, that the species do not get attracted by far island.Hence due environmental conditions and availibility of resources are the factors.To know more about continent visit:
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which of the following is a measure of energy expended in everyday spontaneous activities? a. non-exercise activity thermogenesis (neat) b. basal metabolic rate (bmr) c. resting metabolic rate (rmr) d. set-point
The measure of energy expended in everyday spontaneous activities is the non-exercise activity thermogenesis (neat). That is option A.
What are spontaneous activities?Spontaneous activities are those activities that occur which are usually unplanned and are natural.
Non-exercise activity thermogenesis (NEAT) is defined as the energy that is expended on those activities that are not planned which helps in the silent burning of excess fat and calories in the body.
Recently, it has been discovered that involving in non-exercise activity thermogenesis would help improve one's health and life span.
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PLS HELP! You have to color code the image and that’s it
Outer membrane - light green
Inner membrane - brown
Thylakoids - dark green (label it too!)
Entire stack of granum - yellow
Stroma - blue
1. A chloroplast is surrounded by two membranes.
2. The skin's surface is smooth
3. Thylakoids, or individual sacs generated by the inner membrane, are
stacked like pancakes in rows.
4. If a thylakoid has pigment, what color will it be?
green; chlorophyll.
5. Accessory pigments are another kind of pigments that absorb sunlight. These pigments are colored.
Orange, yellow, red, and brown
6. Thylakoids are stacked and are known as Grana (plural) or GRANUM (singular).
7. Lamellae attach stacks or grana to one another.
What is the thylakoid membrane's greenish pigment called?
the color chlorophyll
The thylakoid membrane contains the green pigment chlorophyll, and the region between it and the chloroplast membranes is known as the stroma.
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the ld50 indicates the . a. lowest dose that kills any member of the population b. amount of toxicant it takes to kill half the population c. lowest dose that kills 50 out of 1000 members of the population d. lowest dose required to cure half of the population
(b) "amount of toxicant it takes to kill half the population" is what the ld50 indicates.
The median lethal dose, also known as LD50 (short for "lethal dosage, 50%"), LC50 (short for "lethal concentration, 50%") or LCt50, is a hazardous measurement that calculates the deadly dose of a disease, toxin, or radiation.
The dose necessary to cause the death of 50% of a population under test after a predetermined test period is known as the LD50 value for a drug. Commonly used as a broad indicator of a substance's acute toxicity are LD50 values.
Greater toxicity is indicated by a lower LD50. It shows how much poisonous substance is required to eliminate half the population.
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Prior to the industrial revolution, what was the previous highest level of co2 concentration in the atmosphere over the prior 400,000 years?.
For nearly 6,000 years of human civilisation, CO2 levels were continuously around 280 ppm before the Industrial Revolution.Since then, it is predicted that humans have produced 1.5 trillion tons of CO2 pollution, the most of which will keep the atmosphere heated for thousands of years.
What was the highest concentration of carbon dioxide in the last 400000 years before the Industrial Revolution?
We know that atmospheric carbon dioxide never went beyond 300 ppm during the ice age cycles of the past million years based on air bubbles trapped in mile-thick ice cores and other paleoclimate evidence.The atmospheric carbon dioxide level was at or below 280 ppm before the Industrial Revolution began in the middle of the eighteenth century.According to NOAA scientists, the amount of carbon dioxide in the atmosphere peaked for 2022 in May at 421 parts per million, pushing the atmosphere even further into regions unseen seen in millions of years. The Big Island of Hawaii's average carbon dioxide concentration, as measured by NOAA, was 420.99 parts per million (ppm), up 1.8 ppm from 2021.The independent record-keeping scientists at Scripps determined a monthly average of 420.78 ppmNOAA Administrator Rick Spinrad, Ph.D., stated that "the science is clear: humans are changing our climate in ways that our economy and our infrastructure must adapt to.""The effects of climate change are all around us and are evident every day.We need to take immediate, significant action to create a more climate-ready nation, as evidenced by the steady increase in carbon dioxide observed at Mauna Loa. Burning fossil fuels for electricity production and transportation, making cement, destroying forests, farming, and many other activities all contribute to CO2 pollution.The planet's atmosphere warms steadily as a result of the presence of CO2 and other greenhouse gases, which trap heat that would otherwise radiate from the surface and escape into space. This warming of the atmosphere triggers a variety of weather changes, such as periods of extreme heat, drought, and wildfire activity, as well as heavier precipitation, flooding, and tropical cyclone activity.Greater sea surface temperatures, rising sea levels, and increased carbon uptake are all effects of greenhouse gas pollution on the world's seas. These effects make sea water more acidic, promote ocean deoxygenation, and make it more challenging for some marine creatures to thrive. During the Cambrian period, around 500 million years ago, CO 2 concentrations in the atmosphere ranged from as high as 4,000 parts per million (ppm, on a molar basis) to as low as 180 ppm during the Quaternary glacial, which lasted for the past two million years.To learn more about carbon dioxide refer
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Prior to the industrial revolution, what was the previous highest level of co2 concentration in the atmosphere over the prior 400,000 years?.
The previous highest level of CO2 concentration in the atmosphere over the preceding 400,000 years was 300 PPM prior to the industrial revolution.
Fossil fuel burning for transportation and electrical generation, cement manufacturing, deforestation, agriculture, and numerous other practices all contribute to CO2 pollution. CO2 and other greenhouse gases trap heat from the planet's surface that would otherwise escape into space. This causes the planet's atmosphere to warm steadily, triggering a series of weather effects like extreme heat, drought, and wildfires, as well as more precipitation, flooding, and tropical storms.
Prior to the industrial revolution, CO2 levels were reliably around 300 PPM for just about 400,000 years earlier of human civilization. Since then, approximately 1.5 trillion tons of CO2 pollution have been produced by humans, much of which will continue to warm the atmosphere for thousands of years.
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where would you most likely find an integral membrane protein? on the outside surface of the cell membrane spanning the cell membrane, with parts of the protein visible from both the inside and the outside of the cell on the inside surface of the cell membrane floating freely in the cytoplasm
Integral membrane proteins are embedded in the bilayer cell membrane that surrounds the cell and organelles playing critical roles in the movement of molecules across them and helping in the transduction of energy and signals.
They can either penetrate the cell membrane (transmembrane) or associate with one or the other side of the membrane (Integral mono trophic). Peripheral proteins are transiently associated with the cell membrane.
Integral membrane protein that does not span the membrane also has a hydrophobic helical domain that anchors them in the membrane while their hydrophilic domain typically interacts with the intra and extracellular molecules.
For example; hold cells in place, and give cells and tissue their structure.
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which of the following is not true concerning all bacterial plasmids? choose one: a. they may exist in multiple copies in a single cell. b. they may contain antibiotic resistance genes. c. they may be transmitted horizontally from one bacterium to another. d. they are always linear dna.
Option D i.e. they are always linear DNA is not true concerning all bacterial plasmids.
Plasmids are crucial for bacterial evolution and adaptability to the environment because they contain genes that confer advantageous characteristics on the bacterial cell. Plasmids of many sorts can coexist in the same bacterial cell.
In every bacterial cell, plasmids are present by nature. All bacterial cells include plasmids, which are tiny, circular, double-stranded DNA molecules. These plasmids can independently reproduce because they are isolated from chromosomal DNA.
The plasmids contain genes for antibiotic resistance. Virulence Plasmids: The majority of the infection in the host body is caused by plasmids that contain viral genes. Degradative Plasmids: These plasmids include genes that cause the host genome to deteriorate.
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when the protein gramicidin is integrated into a membrane, an h channel forms and the membrane becomes very permeable to protons ( h ions). if gramicidin is added to an actively respiring muscle cell, how would it affect the various processes involved in cellular respiration and oxidative phosphorylation? (assume that gramicidin does not affect the production of nadh and fadh2 during the early stages of cellular respiration.)
Remains the same proton pumping rate electron transport rate, and rate of oxygen uptake. decreases or goes to zero rates of ATP synthesis, size of protein gradient.
Mechanistic studies have revealed that gramicidin A blocks ATP generation by inhibiting oxidative phosphorylation and glycolysis, leading to cellular energy loss and non-apoptotic cell death. Finally, gramicidin A effectively suppressed the growth of her RCC tumor xenografts in vivo.
Electron transport proton pumping and oxygen uptake are unaffected as they precede the proton gradient of oxidative phosphorylation. The proton gradient is reduced because protons flow back into the mitochondria via gramicidin rather than ATP synthase. Cellular respiration is the metabolic pathway that breaks down glucose to produce ATP.
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saliva secretion can be inhibited by pharmaceutical means. drugs such as ssri's, antihypertensives, tricyclic antidepressants, and tobacco smoke can be classified as antisialagogues because of their ability to suppress the action of the salivary glands. in what way might this impair digestion?
(a) "Carbohydrate digestion will slow down because of lack of salivary enzymes." is the way it might impair digestion.
Special enzymes found in saliva aid in the digestion of the carbohydrates in diet. Starches, or complex carbs, are broken down into sugars by an enzyme called amylase so that your body may more easily absorb them. Lingual lipase is another enzyme found in saliva that helps to break down lipids.
Food digestion starts in the mouth with the aid of salivary enzymes. The salivary amylase, lingual lipase, and ptyalin start the digestion of fat and starch in the mouth. Salivary amylase converts carbohydrates into their constituent sugars. Therefore, a deficiency of salivary enzymes is caused by a reduction in salivary output.
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Question correction:
Saliva secretion can be inhibited by pharmaceutical means. Drugs such as SSRI’s, antihypertensives, tricyclic antidepressants, and tobacco smoke can be classified as antisialagogues because of their ability to suppress the action of the salivary glands. In what way might this impair digestion?
a. Carbohydrate digestion will slow down because of lack of salivary enzymes.
b. Protein digestion will slow down because of lack of pepsinogen.
c. Fat digestion will slow down because of lack of bile.
d. None of the above. Saliva plays no role in digestion.
1. What is the ultimate source of energy in the food we eat? I
Answer:The sun
Explanation:
Answer:
The sun
Explanation:
The ultimate source of the energy in food is the sun. The movement of energy from the sun through different organisms is what creates a food chain. Plants get their energy directly from the sun.
The debate regarding viruses continue. According to this passage, some consider viruses to be alive because they
Responses
A cause disease.cause disease.
B reproduce.reproduce.
C contains DNA or RNA.contains DNA or RNA.
D respond to stimuli.
The passage is missing but some consider viruses to be alive because they respond to stimuli (Option D).
Are viruses dead or alive?In general, it is well accepted that viruses are not life (but they are biological entities) because they are unable to survive in absence of suitable hosts in order to reproduce or obtain energy and the required molecular machinery for their functions.
Viruses have many properties that resemble organisms such as the presence of genetic material (either DNA or RNA) which is used to store the genetic information to produce proteins using the molecular machinery of host cells.
Therefore, with this data, we can see that viruses are not live because cannot live outside the hosts that they parasite but they are considered biological entities because share certain features with live organisms such as the presence of genetic material.
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List and describe the function of 3 common proteins
Keratin is a structural protein that is found in your skin, hair and nails. Collagen is the most abundant protein in your body and is the structural protein of your bones, tendons, ligaments and skin. Elastin is several hundred times more flexible than collagen.
Explanation:
I tried
explain how the fluidity of the plasma membrane is maintained by the presence of unsaturated fatty acids and cholesterol. describe an adaptation used by organisms in cold environments to maintain a fluid membrane.
Unsaturated fatty acids increase the fluidity of membrane and cholesterol brings stability to the cell membrane.
What is plasma membrane and how is it maintained by the presence of unsaturated fatty acids?Plasma membrane is the membrane outlines the cell separating the interior of the cell from the outside environment.Unsaturated fatty acids increases the fluidity of the plasma membrane and helps to maintain the fluidity for long.Likewise cholesterol have a great significance in the fluidity of the membrane too, as it brings stability.Plasma membrane is same as cell membrane , as it outlines the cell and is selective permeable.Cholesterol stabilizes the plasma membrane helps to maintain the fluidity.To know more about plasma membrane visit:
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6. If a hippo is represented by a 2cm x 4cm x 4cm block, what would its surface area to volume ratio be? Show your calculations.
The surface area to volume ratio of the Hippo is 1.
What is the surface area to volume ratio of an organism?The surface area to volume ratio of an organism is the ratio of the total surface area of the organism to the volume of the organism.
The surface area to volume ratio of an organism is critical to its development. This is because organisms need to exchange substances with their environment. The organisms take in food nutrients and water, and then remove waste products of metabolism.
For small, simple unicellular organisms, simple diffusion is sufficient for the exchange of materials with the environment due to their greater surface area to volume ratio.
However, for larger and more complex organisms, simple diffusion cannot suffice for the exchange of materials because of their smaller surface area-to-volume ratio.
The surface area of the hippo = 2 cm * 4 cm + 2 cm * 4 cm + 4 cm * 4 cm
The surface area of the hippo = 32 cm²
The volume of the hippo = 2 cm * 4 cm * 4cm
The volume of the hippo = 32 cm³
The surface area-to-volume ratio = 32 / 32
The surface area to volume ratio = 1
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the vestibular system is primarily responsible for . question 15 options: 1) sending pain and temperature signals from the skin to the brain; problems would make it difficult to feel pain 2) encoding and processing faces; problems would make it difficult to recognize friends 3) processing body position and motion; problems would make it difficult to maintain balance 4) transforming chemical molecules into electrical signals; problems would make it difficult to smell
The vestibular system is primarily responsible for process body position and movement; problems would make it difficult to maintain balance.
3) process body position and movement; problems would make it difficult to maintain balance.
What is vestibular system?The vestibular system detects the position and movement of the head in space by integrating information from peripheral receptors located in the inner ear. Sensory cells in the posterior labyrinth transform mechanical energy resulting from ciliary movements into a biological signal.
In humans, this system is composed of three semicircular canals that merge in a central region called the vestibule, which has two other vesicular structures: the saccule and utricle, also known as otolith organs.
The utricle presents larger dimensions when compared to the saccule, located in the superior region of the vestibule. There is a tiny area of lining of the saccule and utricle that differentiates into a sensory organ, known as the macula.
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What 2 events in nature can hinder the process of carbohydrate production? Explain your answer. Use the sentence frame: “___ can hinder carbohydrate production because ____.”
The answers include the following below:
Stormy weather can hinder carbohydrate production because of inadequate sunlight.Low temperature can hinder carbohydrate production because of low heat.What is Carbohydrate?
This is referred to as a biomolecule which is the source of energy and is formed during photosynthesis through the use of water and carbondioxide as the reactants. Examples of this type of compound include glucose, starch etc.
Stormy weather and low temperature can hinder carbohydrate production because of inadequate sunlight. During a photosynthesis reaction by plants, there is the need for adequate sunlight as the solar energy is converted into chemical energy.
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A short summary of Darwins 5 Points.
Answer:More organisms are produced than can survive because of limited resources.
— Individuals within a population vary in their traits; some of these traits are heritable -- passed on to offspring.
— Some variants are better adapted to survive and reproduce under local conditions than others.
Explanation:
Select the correct answer from each drop-down menu. specialized cells such as white blood cells interact with foreign particles in the body. a particular cell belonging to this category recognizes bacteria and forms a covering around it, pinching off the vacuole. the cell then performs . the foreign particles recognized by the particular type of cells differ from the ones recognized by another type of white blood cell. this situation indicates that the receptors are .
The cell then performs endocytosis, The foreign particles that this particular type of cell recognizes are distinct from those that another type of white blood cell recognizes. This suggests that the receptors are Specific.
The immune system's cells are called white blood cells. They aid in the body's defense against pathogens like bacteria that could otherwise cause harm. They do this by ingesting the bacteria in the form of vesicles. The term for this process is endocytosis.
White blood cell receptors are extremely specific. They can now identify specific foreign particles as a result of this. The adaptive immune system's B and T cells, for instance, are specific for foreign substances. To put it another way, particularly white blood cells are capable of recognizing particular foreign objects. This suggests that these cells have very specific receptors.
(complete question)
Specialized cells such as white blood cells interact with foreign particles in the body. A particular cell belonging to this category recognizes bacteria and forms a covering around it, pinching off the vacuole. The cell then performs 1(BLANK). The foreign particles recognized by the particular type of cells differ from the ones recognized by another type of white blood cell. This situation indicates that the receptors are 2(BLANK).
1.
a) endocytosis
b) exocytosis
c) diffusion
2.
a) the same for all cells
b) specific for the cells
c) never present on cells
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How would the world be different if no organisms ever evolved?
However, extinction is likely to occur if conditions change faster than a species can adapt and if individuals from that species lack the characteristics necessary to live in the new environment.
What is organisms and example?A living creature that has a defined system, is capable of responding to stimuli, can reproduce, grow, adapt, and preserve equilibrium is referred to as an organism. Therefore, every animal, plant, fungus, protist, bacterium, or archaeon found on Earth would be deemed an organism.
What are organisms made of?Cells, that are regarded as the basic building blocks of life, make up every living thing. Just one organisms are clever! Atoms create molecules, which create the cellular organelles and structure within each cell. Related cells that form tissues in complex organisms.
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A person contracts a virus that destroys white blood cells and, as such, is prone to infections. Which signaling pathway has been affected?.
A person contracts a virus which destroys the white blood cells and, as such, becomes prone to infections. In this case, the signaling pathway which gets affected is NF-κB pathway.
What is Immune system?The immune system is responsible for recognizing the invaders by their antigens, which are mostly proteins that are present on the surface of the invading cells. Every cell in the body has its own specific antigens, and a individual's cell carries “self-antigens” that are unique to that individual only and act as antigens to other individual.
An elevation in the level of lymphocytes is an indication of the condition known as lymphocytic leukocytosis. This condition may occur as a result of a virus or any other infection, such as tuberculosis.
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The protective mechanism that involves an external stimulus leading to an immediate muscular contraction is called?.
Answer:
a reflex arc.
Explanation:
Reflex arc is the term used to describe the body's immediate and involuntary response to arousal of a sensory nerve. For this to happen, the external stimulus is applied to the body and before reaching the brain, this stimulus receives a response in the body's marrow, causing an immediate involuntary muscle contraction without the will or awareness of the body.
A________ is a notable feature or quality (like eye color) that has different forms in a population.
O fertilization
O trait
O gamete
O pedigree
Answer:c gamete
Explanation:
4. If a mother unimonster is homozygous and has two horns, and a father unimonster is
homozygous and has one horn, what are the phenotypes and genotypes of the possible
offspring? Remember that the two-horn allele is dominant.
A gene region where there are two identical alleles present. Two alleles with the same variation or two alleles that are normal can both be present in a homozygous genotype.
What is Homozygous ? Allele pairings are categorized using the terms homozygous and heterozygous. Homozygous individuals are those who have two copies of the same allele (RR or rr). While heterozygous refers to a particular organism with various alleles (Rr).A test cross can be used by a scientist to determine whether an organism displaying a dominant trait is homozygous or heterozygous for a certain allele. A homozygous organism for the recessive trait is crossed with the organism in question, and the results of the test cross are looked at.To know more about Homozygous please click here : https://brainly.com/question/3676361
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