According to the given information ATP is produced by mitochondria only.
What is the main function of the mitochondria?The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular).
What materials make up mitochondria?Two membranes make up their structure. The organelle is contained by the outer membrane, which acts as its skin. The inner membrane repeatedly folds over to form cristae, which are layered structures. The matrix is the name of the substance that fills the mitochondria.
What is special about mitochondria?The unique compartments (organelles) in human cells called mitochondria are well recognized for acting as energy producers by disassembling food molecules and producing ATP, a fuel for the remainder of the cell.
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which of the following is a major difference between prokaryotic cells and eukaryotic cells? eukaryotic cells have more intracellular organelles than prokaryotes. prokaryotes are not able to carry out aerobic respiration, relying instead on anaerobic metabolism. prokaryotes are generally larger than eukaryotes. prokaryotes have cells but eukaryotes do not.
The major difference between prokaryotic cells and eukaryotic cells is that eukaryotic cells have more intracellular organelles than prokaryotes (option A).
What are eukaryotes?Eukaryotes are any of the single-celled or multicellular organisms of the taxonomic domain Eukaryota, whose cells contain at least one distinct nucleus.
On the other hand, prokaryotes are organism whose cell (or cells) are characterized by the absence of a nucleus or any other membrane-bound organelles.
Eukaryotic organisms have membrane bound organelles such as chloroplast, mitochondria, lysosomes and endoplasmic reticulum while prokaryotic organisms lack these organelles.
Based on this, eukaryotic organisms will possess more intracellular organelles than their prokaryotic counterparts.
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HURRRRRY
Identify the structures in the cell pictured on the right.
Label A
Label B
Label C
Label D
A prokaryotic cell is labeled. Part A is the outside of the cell. Part B is the inside of the cell. Part C are the small dots inside the cell. Part D is the large swirly structure inside of the cell.
Explanation:
comment
are you satisfied
Algor mortis, or postmortem cooling of the body, varies with ambient temperatures. Based on the results of your experiment, how does ambient temperature affect the rate of cooling of a body after death? explain your answer. Include how this might affect the use of the glaister equation in determining the time of death.
The ambient temperature affect the rate of cooling of a body after death occurs depends on the temperature differential between the body and the environment.
How long does it take for the body to cool down after death?Once vital functions cease, the body cools at an average of 1°C to 1.5°C per hour. Considering that the average temperature of a human being is between 36 °C and 37 °C, the corpse reaches the ambient temperature in 24 hours at most.
The higher the ambient temperature, the more important the evaporative heat loss will be. In fact, when ambient temperature is higher than body temperature, the only way to lose heat is through evaporation. Human beings lose heat through sweating.
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Which is a product of photosynthesis?(1 point)
Responses
sugar
sugar
water
water
carbon dioxide
carbon dioxide
sunlight
sunlight
Answer:
sugar is the answer
Explanation:
sugar and oxygen are both products of photosynthesis
Answer:sugar
Explanation:
Triglycerides are the most common lipid found in food and in the body; they consist of a ____________ backbone attached to three fatty acids.
Triglycerides are the most common lipid found in food and in the body; they consist of a glycerol backbone attached to three fatty acids.
In the field of science, triglycerides can be described as a type of lipids that help in generating energy for the body.
As the name suggests, the structure of triglycerides is in the form of a triester. This triester comprises of three fatty acid molecules and a backbone that is made from glycerol.
Although triglycerides are used to derive energy however higher levels of triglycerides can be toxic to your body.
Triglycerides car most commonly found in food as well as in the body of an individual.
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Which cells, prokaryotes, and eukaryotes, have a cell membrane, and which do not?
a certain badger is heterozygous for two genes; he has sharp claws and bad breath. he mates with another badger that is homozygous for both genes, with sharp claws and minty-fresh breath. what are the chances that they have an offspring with sharp claws and minty-fresh breath? (assume simple, mendelian inheritance.)
The chances of offspring to have sharp claws and minty fresh breath is 50% since one parent has (Tt) and other has (TT) . The offsprings would be TT, Tt, TT, and Tt..
What is Mendelian inheritance?The term "Mendelian inheritance" refers to specific patterns that can be observed in the way characteristics are passed down from parents to children. In the 19th century, the Austrian monk Gregor Mendel conducted thousands of tests with pea plants in order to develop these broad patterns. He did this in order to determine the genetic makeup of pea plants.
Law of Dominance is one of Mendel's three proposed laws of inheritance, which also includes Law of Inheritance. The law that enforced segregation. The Principle of Independent Assortment is a Law.
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how does facilitated diffusion differ from simple
Answer: in facilitated diffusion there are a specialized membrane channels.
Explanation:
Which option best describes the purpose of carbohydrates?
O food to be converted into a source of energy
O protective insulation for nerves
O critical component in muscle tissue
a form of long-term energy storage
the transformation of food into a fuel source.
A is the ideal answer.
Describe carbs.Molecular sugars make up carbohydrates, or carbs. One of the three primary nutrients included in meals and beverages, together with proteins and fats, is carbohydrate.
The body converts carbs to glucose. The primary fuel for your body's cells, tissues, and organs is glucose, also known as blood sugar. The liver and muscles can store glucose for later use or it might be used right away.
Why are carbohydrates necessary?The body receives glucose from carbohydrates, which is then transformed into energy for use during physical activity and maintaining biological functions.
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Describe how the light-dependent and light-independent reactions work together in photosynthesis
According to the research, in photosynthesis, through the light-dependent reactions energy is contained in the NADPH and ATP molecules that is used by light-independent reactions.
What is photosynthesis?It is the process that converts solar energy into chemical energy which, stored in cells, allows the formation of carbohydrates and other organic molecules.
In this sense, the light-dependent reactions occur in the thylakoids whose chemical energy is comprised of molecules of two types NADPH and ATP.
On the other hand, light-independent reactions occur in the chloroplast matrix with the intervention of enzymes that intervene in the reduction of CO2 molecules to establish carbohydrates through the energy sources ATP and NADPH.
Therefore, we can conclude that the light-dependent reactions in photosynthesis manufacture ATP and the reducing source NADPH necessary for light-independent reactions.
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Select the correct order of the final three stades in the lytic cycle
The correct order of the final three stages in the lytic cycle is Assembly > Transduction > Release
What is a Lytic cycle ?One of the two viral reproduction cycles, the other being the lysogenic cycle, is the lytic cycle. The infected cell and its membrane are destroyed as a result of the lytic cycle. Virulent phages are bacteriophages that only utilise the lytic cycle.
Although the lytic cycle's final result is the generation of new phage offspring and the death of the host bacterial cell, this is a multistep process that requires careful synchronisation of physical processes and gene transcription.The primary distinction between the lytic and lysogenic cycles is that the lytic cycle kills the host cell, but the lysogenic cycle does not. The host cell's DNA is destroyed by viral DNA, which also halts the cell's lytic cycle.Learn more about Lytic cycle here:
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24. assume independent assortment and start with a plant that is dihybrid a/a;b/b: a. what phenotypic ratio is produced from selfing it? b. what genotypic ratio is produced from selfing it? c. what phenotypic ratio is produced from testcross- ing it? d. what genotypic ratio is produced from testcrossing it?
A. The phenotypic ratio is produced by selfing it:
9: A/_; B/_3: A/_; bb3: aa; B_1: aa; bbB. The genotypic ratio from selfing it:
1: Aa; Bb1: Aa; bb1: aa; Bb1: aa; bbC. The phenotypic ratio for a test cross is 1:1:1:1.
D. Test matings with heterozygous individuals should consistently yield a dominant-to-recessive phenotype ratio of approximately 1:1. Here the ratio of both genotype and phenotype is 50:50.
To estimate the genotype-phenotype relationship, calculate the number of Punnett squares for each allele aggregate. Therefore, in this example, we use one Punnett square box for RR and RR and two Punnett square boxes for Rr.
Calculating the Punnett rectangular ratio as 1:2:1 offers the genotypic ratio, giving the genotypic ratio. One obvious way to find out your genotype is to do a genetic test. Companies like 23andMe can do this fairly cheaply these days. But for this to work, scientists must understand the genetic differences that lead to traits.
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pls help due now!!!!!!!!!!
Answer:
a
Explanation:
Pistil of the flower
Answer: The pistil of the flower is the female reproductive part.
Explanation: It just is.
when a true-breeding red flower is crossed with a white flower, and all the f1 flowers are pink, this is due to epistasis. codominance. crossing over. incomplete dominance. a mutation.
The correct answer is option C i.e. incomplete dominance
when a true-breeding red flower is crossed with a white flower, and all the f1 flowers are pink, this is due to incomplete dominance.
In a cross between true-breeding red flower RR and white flower rr in F1 generation, we get pink colored flower Rr. This type of inheritance is called incomplete dominance as neither of them is completely dominant over each other.
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jane has a son who has duchenne muscular dystrophy, which is inherited as an x-linked recessive trait. at a molecular level, the disease is due to lack of the protein dystrophin. jane participates in a study to look at dystrophin levels in various muscles, so she has cells sampled from 10 different muscles. some cells make dystrophin, and some do not. an explanation for this finding is that
A possible explanation for this finding is that in some cells but not others, the x chromosome with the mutation is turned off. Duchenne Muscular Dystrophy is a heritable condition that causes gradual muscle weakness, usually in boys.
- More about Duchenne muscular dystrophy :
- Frequent falls, difficulty getting up or running, a waddling gait, large calves, and learning impairments are all signs of Duchenne muscular dystrophy.
- Although there is no cure, corticosteroids and physical therapy can help reduce symptoms and enhance quality of life.
- Researchers have discovered some of the mutated genes, which are brought on by a genetic mutation on one of the mother's X chromosomes. A genetic defect in the production of dystrophin, a protein that prevents muscle fibers from degrading when exposed to enzymes, results in Duchenne muscular dystrophy.
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During which eon was the earth made of land masses all clumped together in one supercontinent called Rodinia?A. PhanerozoicB. HadeanC. ProterozoicD. Archean
The oldest of the supercontinents is called Rodinia and was formed during Precambrian between 1.1 billion and 750 million years ago. It as formed from parts of older and poorly inderstood supercontinents, being broken in the first period of the Neoproteozoic (Tonian Period). The scientists hypothesize that Rodinia as formed during the Proterozoic eon.
Which of these items are made of cells? Check all that apply.
air
bacteria
horses
humans
mushrooms
rocks
water
(20 points)
Answer:
Horses
Humans
Mushrooms
Explanation:
Air, rocks, and water may have cells in them but they are not made of cells in and of themselves.
Bacteria is prokaryotic meaning it is a single cell so it is technically not "made of cells".
Horses, humans, and mushrooms are all made of cells.
What should scientists include when making a model to study a system?
Scientists include a model of a system that should include all of the relevant variables in the system, as well as the relationships between those variables. The model should be as simple as possible while still accurately representing the system.
Who is a scientist?
A scientist is someone who does scientific study to enhance knowledge in a particular field. Scientists are inspired to work in a variety of ways. Many people want to know why the world is the way it is and how it came to be.
Scientists aid in our understanding of the world. They observe the occurrences around us, collect data on what they observe, and evaluate that data to develop laws and rules governing how the world operates. Knowing the rules is essential if you want to play a game well.
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Dermal papillae are numerous in palmar and plantar skin but few in number in the skin of the face and abdomen. What do you think is the functional significance of this difference?.
Dermal papillae help strengthen the connection between the dermis and epidermis and help prevent friction-related damage in high-use areas.
Dermal papillae are found in the papillary layer of the dermis. Two layers make up the dermis, which is located underneath the epidermis' malpighian layer. The dermal papillae, which resemble finger-like projections and extend into the epidermis, are part of the papillary layer, a thin outer layer of alveolar connective tissue. Numerous nerve endings, lymphatic veins, blood vessels, and hair follicles may be found in the dermis. Mesenchymal cells make up the dermal papilla in the hair follicle, which is primarily responsible for controlling hair development. The key to in vitro hair follicle formation and regeneration is maintaining the dermal sheath cells' and DPCs' potential hair inductivity throughout cell culture.
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achondroplastic dwarfism involves a spontaneous genetic mutation resulting in chondrocytes that fail to multiply and enlarge at epiphyseal plates. considering this information, why do flat bones develop normally in a person with achondroplasia?
In achondroplasia, the frame has trouble turning cartilage into bone, particularly in the long bones of the arms and legs. This outcome in shortened bones, brief stature, and other different physical characteristics.
In achondroplasia, this protein starts offevolved to characteristic abnormally, slowing down the growth of bone inside the cartilage of the growth plate. This leads to shorter bones, abnormally-shaped bones, and shorter stature; a person top in human beings with achondroplasia is between 42 and 56 inches.
Dwarfism (skeletal dysplasia) impacts bone growth in your body. The most common bones that dwarfism influences are the long bones inside the arms and legs, however, it is able to have an effect on different bones together with the bones to your legs and arms as well as your stomach and head.
Achondroplasia is a bone increase sickness that causes disproportionate dwarfism. Dwarfism is defined as a situation of quick stature as a person. people with achondroplasia are brief in stature with a normal-sized torso and brief limbs. it's the most common form of disproportionate dwarfism.
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what medical technology have some chinese chosen to pursue in order to increase the possibility of multiple children in a single pregnancy
The use of fertility drugs is the technology used by some Chinese that can increase the possibility of multiple children in a single pregnancy.
Fertility drugs are the medications that serve various functions like production of eggs or sperms, or their quality. Some drugs can speed up the growth and maturity of egg cells, resulting in the release of more than one egg cell at the same time. This is how multiple children are born from a single pregnancy.
Pregnancy is the stage when the fusion of the male and female gamete happens and the fetus develops inside the body of the mother. For humans, this time period is of 9 months.
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2. This gemstone has a range of purple colors:
Oamethyst
garnite
Oturquoise
O jade
O peridot
This gemstone has a range of purple colors is amethyst.
What is amethyst?Amethyst is a violet variety of quartz. Amethyst, also known as Jamunia, is one of the most well-known substitutes for blue sapphire. Amethyst is a violet quartz variety. The name derives from the koine Greek o amethysts, from - a-, "not" and methysko / method, "intoxicate," a reference to the belief that the stone protected its owner from intoxication. Amethyst, also known as "the all-purpose stone," is a protective stone that aids in the relief of stress and anxiety, as well as the symptoms that accompany it, such as headaches, fatigue, and anxiety. It also helps with cell regeneration (which supports your bones and joints) and is said to improve your skin.To know more about amethyst, refer
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which aspect of phospholipids is most important to the formation of bilayers? they are amphipathic. their hydrocarbon tails can consist of fatty acids or isoprene subunits. the length of their hydrocarbon tails can be altered to modulate membrane fluidity. their polar heads can interact with water.
The aspect of phospholipids that is most important to the formation of bilayers is the amphipathic molecules.
What qualities do amphipathic compounds have?Hydrophobic and hydrophilic regions can both be found in amphipathic compounds. There is a sizable, lipophilic carbon molecule in the hydrocarbon portion of the compound. On the hydrophilic section with polar functional groups, there is a charge that may be cations, anions, or absent.
Why are detergent molecules amphipathic?Detergents, soaps, shampoos, and many other cleaning solutions can also transport away pollutants that are difficult to remove with just water because of the amphipathic molecules. Lye, a chemical, is used to process fatty materials, such as vegetable or animal oils, to create soap.
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Two mechanisms that affect the genetic diveristy of bacterial population
Horizontal gene transfer involves several mechanisms that can increase the genetic diversity of bacterial populations.
One of these mechanisms is bacterial conjugation in which a donor cell transfers genetic material to a recipient cell through a pili which function as a conduit.
Another mechanism of variability is through bacteriophages where genetic material is moved from one bacterium to another, this method is called transduction.
Having warm weather all year with a distinct winter and summer season where winter is a long, dry, and slightly cooler season with only 4 inches of rain on average, and summer is a very hot, humid, and wet season with 15 to 25 inches of rain, with monsoon rains beginning in may describes the _______ biome(s). a. rainforest b. savanna and grassland c. deciduous forest d. chaparral please select the best answer from the choices provided a b c d
Having warm weather all year with a distinct winter and summer season where winter is a long, dry, and slightly cooler season with only 4 inches of rain on average, and summer is a very hot, humid, and wet season with 15 to 25 inches of rain, with monsoon rains beginning in may describe the Savanna and grassland biome.
In Savana grassland, the trees are scattered and dispersed all over the place.
Most Savana and grassland forests are found in Africa covering an area of about 5 million square miles.
However, these forests are also abundant in South America, Australia, and India. In these regions, precipitation takes place all year round.
In the formation of Savana and grassland ecosystems, climate plays an important role.
In general, Savana is classified as broad-range grasslands typically dispersed over a large area.
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Answer:
The type of biome described with distinct winter and summer seasons is the savanna and grassland.
Explanation:
This type of biome is experienced both in Africa and in Australia the biome has two distinct seasons which are summer and winter, winter happens to be the dry season while summer is the wet season where rain is experienced.
The average rate of rain throughout the year during the wet season is around 15 to25 inches
The biome usually has grass and some scattered trees this is due to the lack of enough rainfall to support trees to grow
The wet season is during the summer and it is warmer in the rainy season than in the dry season because it is humid, winter is the dry season with clear skies and lower humidity.
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if you allowed your dilution tubes to incubate for 24 hours before plating them, do you think the results of the experiment would be impacted? assume that unlimited resources are present in the tubes. explain your answer.
If you allowed your dilution tubes to incubate for 24 hours before plating them, the results of this experiment would be impacted.
What is incubation?Incubation is the maintenance of uniform temperature and humidity conditions to ensure the growth of microorganisms, especially bacteria.
If there is already an unlimited resource in the tube, the colony-forming units per milliliter will be affected or altered as this creates more favorable conditions for the formation of further colonies.
Even with dilution in performed in a hood and sterile medium, the microbial colony will increase as more microorganisms differentiate and increase in number over the 24 hour interval.
An incubator is a device used to grow and maintain microbial or cell cultures. The incubator maintains optimal temperature, humidity, and other conditions such as CO2 and oxygen levels in the atmosphere inside. Incubators are essential for many experimental tasks in cell biology, microbiology and molecular biology and are used to culture both bacterial and eukaryotic cells.
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2. What is the importance of NAD+ cycling back up to glycolysis?
The cycling of NAD+ back up to glycolysis is crucial for sustaining energy production, maintaining redox balance, and allowing for the efficient functioning of cellular respiration.
The cycling of NAD+ back up to glycolysis is crucial for the efficient functioning of cellular respiration and energy production. Here are the key reasons for its importance:
NAD+ regeneration: During glycolysis, glucose is metabolized to produce energy in the form of ATP. As part of this process, NAD+ acts as an electron carrier, accepting electrons from glucose and becoming reduced to NADH. NADH carries these electrons to the electron transport chain for further ATP synthesis. However, NAD+ is required to sustain glycolysis. Without a mechanism to regenerate NAD+ from NADH, the glycolytic pathway would quickly halt due to a lack of available NAD+. Therefore, the cycling of NAD+ is crucial for maintaining a continuous supply of NAD+ for glycolysis.ATP production: The regeneration of NAD+ is directly linked to ATP production. NADH carries high-energy electrons to the electron transport chain, where they are used to generate ATP through oxidative phosphorylation. If NADH accumulates and NAD+ levels decrease, electron transport and ATP synthesis would be compromised, resulting in reduced energy production.Redox balance: The cycling of NAD+ is essential for maintaining redox balance within the cell. As NAD+ accepts electrons during glycolysis, it becomes reduced to NADH. Regenerating NAD+ from NADH helps balance the cellular redox state, ensuring that other redox reactions in the cell can proceed smoothly. Without NAD+ cycling, an imbalance in the redox state could lead to disruptions in various metabolic pathways and compromise cellular function.Learn more about Glycolysis, here:
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which is not true? the uncoupling protein group of answer choices inhibits the formation of atp in mitochondria. is important for small mammals in cold climates. is a channel for protons like the atp synthase without the turbine part. occurs in all fat cells. is important for human newborns.
The uncoupling protein is important for human newborns. Option E is not correct.
The uncoupling protein inhibits the formation of ATP in mitochondria by dissipating the potential energy of the organelle. It results in the loss of heat and is important for small mammals in cold climates and occurs mainly in adipose tissues or fat cells. The proton electrochemical gradient produced by the respiratory chain complexes is reduced by uncoupling proteins. This, therefore, verifies that only option E is not correct out of the options given in the question, because UCP has no relation with newborns.
Uncoupling protein 2 (UCP2), a mitochondrial transporter found in the inner membrane of mitochondria, separates substrate oxidation from ATP synthesis, allowing less ATP to be produced by the mitochondrial respiratory chain and causing the membrane potential energy to be lost.
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a mutation during dna replication causes a g to be inserted after the first base of the codon for tryptophan. how will this affect the growing polypeptide chain?
From this point on, the reading frame will be moved to the left, and the incorrect amino acids will be inserted.
Three bases make up a codon, which determines which amino acid will be put into the polypeptide chain. A codon is a section of the genetic code that forms the basis for the insertion of amino acids. Three RNA or DNA nucleotides make up this compound.
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Answer:
Explanation:
During DNA replication, a mutation results in the insertion of a g after the first base of the tryptophan codon and from this point on, the reading frame will be moved to the left, and the incorrect amino acids will be inserted.
How does the mutation change the order of amino acids?
Although a mutation at specific places, such as conserved residues, might affect both the protein’s structure and function, it is not always the case that a mutation in the amino acid sequence would modify a protein’s structure.
What impact do mutations have on the outcomes of DNA replication?
A DNA sequence mutation is an alteration.
Before DNA replication, mutations can be transmitted to daughter DNA molecules and subsequent cells.
Only one daughter copy will have the mutation and the other won't if the mutation only affects one strand of the parent molecule.
Which sort of mutation is brought on by the removal or addition of one or two DNA bases?
The insertion or deletion of nucleotide bases in amounts that are not multiples of three is referred to as a frameshift mutation in a gene.
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