In eukaryotes, the components of citric acid cycling and the electron transport chain are located in the ____.
In eukaryotes, the components of citric acid cycling and the electron transport chain are located in the inner mitochondrial membrane.
Glycolysis, the citric acid cycle and the electron transport chain are the three stages of cellular respiration through which a cell produces ATP.
In the process of cellular respiration, glucose that is derived from food and oxygen is used to produce carbon dioxide and water along with the release of energy in the form of ATP.
The process of glycolysis for a cell happens in the cytoplasm of a cell. The process of citric acid cycle as well as the electron transport chain occurs in the mitochondria. Hence, the components for both these cycles will be present in the inner mitochondrial membrane.
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Zara is using a microscope to look at some animal cells on a slide. She knows that there are animals cells on the slide but when she looks through the microscope, she cannot see any cells. List reasons
Answer:
1. The specimen perhaps hasn't been stained so no structures can be seen.
2. If a light microscope, perhaps the light isn't turned on.
3. The specimen may not bein focus
4. Microscope not turned on
5. Not smeared enough to see the specimen
6. Specimen is too thick - diffraction barrier of light microscopes in which light can't focus the specimen - Low resolving power of light microscope.
Should be a consequence of excessive greenhouse gases?
Answer:
They cause climate change by trapping heat, and they also contribute to respiratory disease from smog and air pollution. Extreme weather, food supply disruptions, and increased wildfires are other effects of climate change caused by greenhouse gases
Explanation:
primate males engage in competition for access to females. this reproductive strategy has led to larger body size and canine size in males (due to sexual selection). group of answer choices true false
The statement is true. Sexual selection is a form of natural selection in which characteristics that appeal most to the opposite sex spread more widely more common.
Which of the following variables might affect the size of a primate social group?
Most primates are highly social creatures that live in groups that range from small reproductive units to huge troops of hundreds of individuals. Food resource distribution, competition with other species, and the threat of predation are all key considerations of primate group size.
Among the various residence patterns, single-male groups have the most competition. Outside males who want to overthrow him and take over the group are constantly threatening the male in this group.
Therefore, primate males compete for access to females due to sexual selection.
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An epidemiologist wants to figure out if the Flu vaccine is effective at lowering the likelihood of dying from the disease.
What are some controlled variables?
A
The death rate of unvaccinated individuals will be higher than vaccinated individuals.
B
The vaccine
C
The death rate
D
Age and pre-existing conditions
If an epidemiologist wants to figure out if the Flu vaccine is effective at lowering the likelihood of dying from the disease, then the controlled variables are age and pre-existing conditions (Option D).
What is a controlled experimental variable?A controlled experimental variable is any variable in the experimental treatment that remains the same in different groups in order to make a comparison with the target group.
Therefore, with this data, we can see that the controlled experimental variables are those that stay the same to make comparisons in a given experimental procedure.
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In an experiment to figure out if the Flu vaccine is effective at lowering the likelihood of dying from the disease, the controlled variable is: the death rate.
What is a control experiment?A control experiment simply refers to a type of experiment in which a condition assumed to be a probable cause of an effect is compared with the same situation without involving or using the suspected condition.
This ultimately implies that, all factors are held constant in a controlled experiment except for the independent variable.
In Science, a controlled variable must always be held constant and unchanged in an experiment in order to prevent it from affecting or influencing the result, which is what the death rate connotes in this scenario.
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Which type(s) of genetic material can viruses have? Check all that * 5 points apply. [4 answers]
During the reproduction stage of the lytic cycle, what happens?
Answer: Reproduction of viruses using host cells
Explanation: In the lytic cycle the viruses introduces its genome into a host cell and initiates replication by introducing itself into the host cellular machinery and makes copies of itself and developes its own mechanism. Once introduced virus particles are released through lysis of the host cell into surrounding waters and produces its effects.
Cyclorana platycephala is a frog that is found in Australia. Like all frogs, it needs to keep its skin moist. During periods of drought it digs a chamber in the ground and lines it with mucous, which hardens and seals the chamber from water loss. The frog settles into the chamber, its metabolism slows down, and it becomes inactive. The frog can survive in this state for up to five years. Describe how this trait will determine the types of biome that the frog might live in.
These traits will make the frog live in harsh conditions in its different biomes.
The species, Cyclorana platycephala, has moist skin to undergo cutaneous respiration. It can dig underground chambers and line the chamber with mucous to avoid water loss. This is important to avoid severe conditions of drought when water is scarce.
The frog's ability to slow down its metabolism is also a brilliant feature to avoid harsh conditions of food and water unavailability. These traits allow the frog to survive in conditions that are impossible for other organisms to live in.
What is Cutaneous respiration?
Cutaneous respiration, also known as cutaneous gas exchange, is a type of breathing in which an organism's skin or outside integument serves as the site of gas exchange rather than its gills or lungs. Cutaneous respiration may be used in conjunction with other methods of gas exchange, such as ventilation, or it may function alone.
Therefore, these traits help the frog to live in severe environmental conditions.
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Pneumonia is an infectious disease in which fluid accumulates in the alveoli. Patients who are diagnosed with pneumonia are monitored for their oxygen saturation levels. Describe how pneumonia could affect the amount of oxygen in the blood.
Answer:
Pneumonia can prevent your lungs from moving enough oxygen into your bloodstream, causing less oxygen to be present in blood.
a mutant e. coli cell expresses z, y, and a genes at the same levels in the presence and absence of lactose. these levels correspond to those observed in wild-type e. coli cells in the presence of lactose. which region of the dna could contain the mutation?
The i gene region of the dna could contain the mutation. The i gene codes for the repressor of the lac operon.
The repressor of the lac operon is encoded by the I gene. The hydrolysis of the lactose disaccharide into its monomeric components, galactose and glucose, is predominantly carried out by the enzyme -galactosidase, which is encoded by the Z gene.
Most repressor binding site mutation result in decreased repressor affinity and thus reduced binding. Thus, these changes enable constitutive expression, which allows the lac operon to continue to be transcribed (and subsequently expressed) even in the absence of an inducer.
Therefore, the i gene region of the dna could contain the mutation. The i gene codes for the repressor of the lac operon.
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Match the correct answer to the correct blank!
Energy stored in the ______________(1)_____________of_____________(2)_
(3)______________ and converted into
(SUGARS) are
process of
>
cellular respiration
chemical bonds
ATP
broken
(5)
glucose
ہے
(4)
molecules
during the
What makes plants wilt?
A. A lack of motility that would usually come from the nucleus
B. A lack of stablity that would usually come from the ribosomes
C. A lack of turgor pressure that would usually come from water stored in the central vacuole
*Brainliest* Plsss the correct answer :) TY
Answer:
I think the answer is C
Explanation:
Sorry if I'm wrong.
Answer: B
Explanation: Dehydration
How is gamma rays used or found in our everyday
lives or in certain industries?
Answer:
Gamma rays are used in medicine (radiotherapy), industry (sterilization and disinfection) and the nuclear industry. Remember it is very important to shield against gamma rays since they can cause diseases to skin or blood, eye disorders and even cancers.
Explanation:
how does an enzyme affect the biochemical reactions in the real world?
Answer:
"The enzyme speeds up the reaction by lowering the activation energy needed for the reaction to start." "compare the activation energy with and without the enzyme. Enzymes generally lower activation energy by reducing the energy needed for reactions to come together and react."
At the end of the electron transport chain, where is the light energy that was absorbed and converted by chlorophyll stored?.
It is stored in the reduced molecule NADPH and ATP energy released from transfer of electrons establishes a proton gradient across the thylakoid membrane.
What benefits does chlorophyll provide to your body?Supplement manufacturers assert that chlorophyll has a wide range of benefits, including the ability to increase red blood cells, aid in weight reduction, mend damaged skin, remove toxins, reduce inflammation, and prevent cancer. It's an amazing list, yet only a few of the assertions are supported by research.
Can chlorophyll lead to thinning hair?Chlorophyll can support healthy hair as part of a balanced diet. It does have anti-aging antioxidants, which may decrease hair loss brought on by aging scalp cells.
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Which type of mining is more dangerous to miners and the environment?
O biomining
O shaft mining
O surface mining
O strip mining
Jackrabbits’ large ears are an adaptation for _______. a. hunting prey b. enhanced hearing c. storing water d. dissipating heat please select the best answer from the choices provided a b c d
Jackrabbits' large ears are an adaptation for dissipating heat.
Jackrabbits inhabit desert environments where the days are quite warm. Their ears are a coping mechanism for the heat in the desert. Depending on the temperature, a network of blood arteries in the big, thin ears regulates blood flow. They have quite large ears. A jackrabbit's ears are undoubtedly good listeners, but they also serve as radiators.
They enhance blood flow via the ears to remove heat after a race and on warm days. They reduce blood flow through the ears at night to keep you warm and also increase blood flow via the ears to eliminate heat after a race. They keep the body warm on chilly nights by reducing blood flow through the ears.
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Use the tape measure to measure the length of your ulna. (It is the longest bone in your forearm. Measure from the end of
the bone at your wrist to the end of your elbow bone.) Record the length of your ulna in the space below. Then use the
graph you constructed earlier to predict your height in cm. Use the tape to measure your actual height if you do not know it.
Ulna length ___cm
Predicted height ___ cm
Actual height ___ cm
Was the graph a good predictor of your height? How might it be made better?
How long is the ulna?
Male students' ulna lengths ranged from 24 to 31 cm, whereas female students' ulna lengths ranged from 23 to 27 cm. Male students' mean ulna length was 27.40 2.13 cm, whereas female students' was 24.70 1.43 cm (p0.001).
How can one determine height in cm?
One of these entails raising a boy's average height by 2.5 inches (7.6 cm) and lowering a girl's average height by 2.5 inches (7.6 cm). Based on this methodology is the second calculator above. Another easy technique is to have the child's height doubled by the time he or she is two years old for boys or 18 months for girls.
What is height in cm?
Simply multiply your height in inches by 2.54 to get your height in cm to complete the conversion. In this instance, a person who is 5 feet, 6 inches tall is equivalent to 167.64 cm as measured in the metric system (66 x 2.54)
What factor accurately predicts height?
The height of the parents, or more particularly, the biparental height, is the best indicator of height. By combining the mother's and father's heights in inches, you may determine the biparental height. For boys, measure 5 inches longer; for girls, measure 5 inches shorter.
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Iin the wavelength and photosynthesis experiment, what is the purpose of the beaker left in the dark?.
The dark beaker is a control because it contains all of the experiment components, but photosynthesis should not occur in the absence of light.
One of the beakers should be covered to prevent light from reaching the leaf discs. Place the second beaker approximately 15 centimeters from a light source. As soon as the light is turned on, start timing the experiment.
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Select the statement which is true of plants.
O All plant organs are made of the same
tissue types: ground, vascular, and
dermal.
O All plant organs are made of the same
tissue types: ground, nervous, and
dermal.
O Most plant organs are made of the
same tissue types: ground, vascular,
and dermal.
O Very few plants have the same tissue
types. The type of tissue a plant has
depends on which organs it contains.
Plant tissue systems can be classified as either permanent (or non-meristematic) tissue or meristematic tissue. Animal stem cells are analogous to meristematic tissue in that both types of cells continue to divide undifferentiated and aid in the growth of the plant. Plant cells that are no longer actively dividing make up permanent tissue in contrast.
Cells produced by meristems rapidly differentiate, or specialize, and develop into permanent tissue. These cells adopt a defined function and stop proliferating. Dermal, vascular, and ground tissue are the three primary tissue types that discriminate between them. All three tissue types are present in each plant organ (leaves, stems, and roots):
The plant's dermal tissue covers it, provides protection, and regulates water and gas exchange.
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Answer:
I could be wrong, but I believe it's dermal vascular and ground tissue
Explanation:
Sorry if incorrect
why do boy act weird
A male child acts weird when he is not comfortable with things happening around him which could be as a result of depression, embarrassment, uneaseness or even rejection.
How a boy act weirdThere are countless ways which can make an individual behave strangely in his environment. When the situation of happenings take a particular pattern which does not make one good, the act of weirdness set in. This term "weirdness" can be described in several ways to explain the various reaction which is seen in an individual.
However, in another context, the weirdness of a person may be inform of showcasing or demonstrating certain personalities or characters which is not common among others.
In addition, the weirdness of boy could set in when he likes the other gender and lacks certain ways or approaches to make his intentions known.
In conclusion, we can therefore confirm with the explanation given from above that a boy act weird as a result of unusual circumstances around him.
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Reabsorption of fluid into the capillary takes place at the arterial end or venous end of the capillary?.
The venous end of the capillary is where reabsorption of fluid into the capillary takes place.
Osmotic pressure is the net force that propels reabsorption—the flow of fluid from the interstitial fluid back into the capillaries—into the body (sometimes referred to as oncotic pressure).
The blood's hydrostatic pressure is the reason behind this (which favors filtration out of the capillary is lowest in the venous end of the capillary.) Cationic Exchange Because capillary hydrostatic pressure (CHP) exceeds blood colloidal osmotic pressure, net filtration occurs close to the arterial end of the capillary (BCOP).
Due to the fact that CHP = BCOP, there is no net fluid movement around the middle. Near the venous end, net reabsorption takes place because BCOP is higher than CHP.
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Where did life first form?
A. In the atmosphere
B. In volcanoes
C. On land
D. In the oceans
Answer: D. in the oceans.
The ocean is the most likely answer to the question as there wasn't enough oxygen in the atmosphere, the land hadn't formed continents and wasn't mineralized enough. Of course, there are many other theories including one that suggests life started in muddy pools in the land warmed by volcanoes. So there really isn't a fixed answer, but I'm fairly sure it is D.
Help help please help help me help help please help help
Answer: Q1. The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
Q2. The phospholipids in the cell membrane are arranged in two layers, called a phospholipid bilayer. Each phospholipid molecule has a head and two tails.
Hope this helps!
Fluoroacetate occurs naturally in some plants and is highly toxic to mammals and insects. In cells, it is converted to fluorocitrate, which binds tightly and inhibits an enzyme crucial for cellular respiration, causing citrate buildup. To what enzyme does fluorocitrate bind?.
It is changed into fluorocitrate inside of cells. which forms citrate due to its strong binding and inhibition of an enzyme necessary for cellular respiration.
Citrate synthase changes fluoroacetate into fluorocitrate after oral dosing and intestinal absorption.
Because fluoroacetate is chemically identical to acetate, which plays a crucial function in cellular metabolism, it is extremely poisonous to mammals and insects.
By blocking the Krebs cycle, fluoroacetate has hazardous effects (after being converted to fluorocitrate). Fluoroacetyl coenzyme A, which condenses with oxaloacetate to generate fluorocitrate, incorporates the chemical.
"Trojan horse inhibitor" has been used to describe fluoroacetate. It enters the citric acid cycle and is changed by the enzyme acetyl-CoA-synthetase into fluoroacetyl-CoA, which is then changed into fluorocitrate by the enzyme citrate synthase. Before it interacts with aconitase and stops the citric acid cycle, it is not inhibitory.
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How does slow movement aid sloths in acquiring food?
Sloths are so slow moving that algae is able to grow symbiotically in their fur. This algae can be licked out of the sloth's fur to provide it with nourishment.
Answer:
Slow movement helps sloths to acquire food in several ways. Sloths are herbivores that spend most of their time in trees and have a slow metabolism that enables them to survive on a low-energy diet. Their slow movements also help them to conserve energy, which is necessary for them to survive in their natural habitat.The slow movements of sloths also help them to avoid predators, such as jaguars and eagles, that are known to prey on them. By moving slowly, sloths can avoid detection by these predators and remain hidden in the trees where they live.
Sloths have long arms and legs with curved claws that are adapted to their arboreal lifestyle. These claws allow them to hang upside down from branches and move through the trees with ease. Sloths are also able to rotate their heads up to 270 degrees, which allows them to scan their surroundings for potential predators and food sources.
The slow movements of sloths are also beneficial when it comes to acquiring food. Sloths feed mainly on leaves, which are high in fiber but low in nutrients. By moving slowly, sloths are able to conserve energy and digest their food more efficiently. Sloths also have a specialized digestive system that allows them to extract more nutrients from their food than other herbivores.
In conclusion, slow movements aid sloths in acquiring food by helping them conserve energy, avoid predators, and digest their food more efficiently. Their long arms and legs with curved claws, and their ability to rotate their heads up to 270 degrees, also make it easier for them to move through the trees and find food sources.
Explanation:
In glycolysis, a glucose molecule is split into two molecules of ______, and energy is harvested as atp and nadh.
In glycolysis, a glucose molecule is split into two molecules of pyruvate and energy is harvested as ATP and NADH.
The process of glycolysis is the first stage of cellular respiration. Cellular respiration is the process through which glucose and oxygen react to produce energy in the form of ATP as well as NADH for the cells to function.
During the process of glycolysis, the glucose molecule is broken down. Energy is released by this breaking down of glucose. The glucose breaks into two pyruvate molecules.
The process of glycolysis occurs in the cytosol of a cell and it is a complex process with a series of steps.
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what can distinguish primates that are adapted for eating large amounts of plants and leaves? group of answer choices their sagittal crests their incisor-like canines their tooth combs their lack of a diastema
Their sagittal crests distinguish primates that are adapted for eating large amounts of plants and leaves.
Many mammalian and reptilian skulls, among others, have a ridge of bone running longitudinally along the midline of the top of the skull (at the sagittal suture). There are incredibly powerful jaw muscles because of the existence of this bone ridge.
What kinds of animals have sagittal crests?
The top of the skull in carnivores and omnivores has a ridge known as the sagittal crest. The sagittal crest, which is where the powerful muscle that regulates the lower jaw's crushing action attaches, is highly noticeable in opossums and fishers but less so in coyotes, raccoons, and otters.
Therefore sagittal crests distinguish primates that are adapted for eating large amounts of plants and leaves
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with sexual reproduction,: many single-celled eukaryotic organisms have evolved complex life cycles that include sexual reproduction. with sexual reproduction,: diploid cells must undergo mitotic cell division in order to reproduce. haploid cells must undergo meiotic divisions to form gametes. genetic material from two haploid cells is combined. all of these choices are accurate.
According to the given statement at some point, two cells must fuse to become diploid.
The correct option is A.
What is diploid cell?Human somatic cells are diploid, meaning they have 46 chromosomes, 22 pairs of autosomes, as well as a pair of y chromosome. A pair of chromosomes is one that has each chromosome has two copies.
Where are diploid cells?Most eukaryotes have a diploid chromosomal set in somatic cells, or non-sex cells. These cells hold the organism's full genetic information, or chromosomes, or double the number of haploid chromosomes. As just a result, every cell in an organism contains every gene present in that organism.
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The complete question is -
Many single-celled eukaryotic organisms have evolved complex life cycles that include sexual reproduction. This means that:
A- at some point, two cells must fuse to become diploid.
B- diploid cells must undergo mitotic cell division in order to reproduce.
C- haploid cells must undergo meiotic divisions to form gametes.
D- complex mating behaviors likely evolved at the same time as sexual reproduction.
in the absence of the carbohydrate a, genes x and y are expressed at low levels. when a is introduced, genes x and y are actively transcribed. when the supply of a is exhausted, the expression of x and y drops to very low levels. from this, we can conclude that a is a(n)
In the absence of the carbohydrate a, genes x and y are expressed at low levels. when a is introduced, genes x and y are actively transcribed. when the supply of a is exhausted, the expression of x and y drops to very low levels. from this, we can conclude that a is a(n) inducer.
A substance that controls the expression of genes is known as an inducer in molecular biology. An inducer works in two different ways, namely:
1. By turning off the repressors. An inducer binds to the repressor, which causes the gene to be expressed. The repressor cannot bind to the operator because of the inducer's binding to the repressor. The transcription of operon genes can then start by RNA polymerase.
2. By attracting activators. Absent an inducer, activators often bind activator DNA sequences weakly. The complex formed by the binding of the activator and inducer to the activation sequence activates the target gene. Transcription is halted by removing the inducer.
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