During DNA replication, the two strands of the parent DNA molecule separate, and each strand acts as a template for the synthesis of a new complementary strand.
The nucleotides, which are the building blocks of DNA, are added to the growing daughter strand in a specific sequence, dictated by the base-pairing rules (A-T and C-G).
Therefore, to complete the two daughter DNA molecules, one would need to add nucleotides to each template strand, following the base-pairing rules. Once the replication is complete, each daughter DNA molecule consists of one original parent strand and one newly synthesized strand.
When comparing the two daughter DNA molecules, we would expect them to be identical to each other and to the original parent DNA molecule. This is because DNA replication is a highly accurate process, with an error rate of only one in a billion nucleotides added. Therefore, any differences between the two daughter DNA molecules would be extremely rare and would likely result in genetic mutations.
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the slightly raised curved ridges that mark the lateral border of the forehead d the beginning of the temporal region IS CALLED
The slightly raised curved ridges that mark the lateral border of the forehead and the beginning of the temporal region are called the temporal lines.
The forehead is the upper part of the face. It is known as the top part of the skull, between the eyebrows and the hairline. It is a bony structure that comprises the frontal bone and the frontal sinuses.The curved ridges that mark the lateral border of the forehead and the beginning of the temporal region are known as the temporal lines. The temporal lines start from the frontozygomatic suture on the cheekbones and extend along the lateral aspects of the skull to the coronal suture. The temporal lines define the temporalis muscle's lateral border, which is a muscle that is involved in jaw movement.The temporal lines mark the attachment site of the temporalis muscle, which is an important muscle for chewing food. It's a fan-shaped muscle that begins at the temporal lines and covers the side of the head. As a result, the temporal lines are a significant anatomical landmark on the skull.Learn more about the temporal region: https://brainly.com/question/10494500
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True or false? Proteins play an important role in nerve signaling 
Answer:
true
Explanation:
Neurexin is a protein required to connect between nerve cells. The receptor proteins present in sensory neurons receive the signal from the sensory organ
which of the following occurs when an enzyme binds a non-competitive inhibitor? group of answer choices the kd will increase but vmax will not change the vmax will decrease but kd will not change kd will increase and vmax will decrease there is not enough information
When an enzyme binds a non-competitive inhibitor, the vmax will decrease but the kd will not change.
An enzyme is a protein that acts as a biological catalyst by increasing the rate of chemical reactions in living organisms. The substrate is the molecule that an enzyme catalyzes, while the active site is the region of the enzyme where the substrate binds.
An enzyme inhibitor is a chemical or molecule that inhibits the action of an enzyme. Non-competitive inhibitors can bind to the enzyme either at the active site or at an allosteric site. The activity of the enzyme is decreased by non-competitive inhibitors that bind to allosteric sites.
As a result, the Vmax (maximum velocity of the reaction) decreases, but the Kd (dissociation constant) does not change. This implies that the affinity of the enzyme for the substrate does not alter.
The Michaelis-Menten equation can be used to study the effect of enzyme inhibitors on enzyme-catalyzed reactions.
Therefore, when an enzyme binds a non-competitive inhibitor, the Vmax will decrease, but the Kd will not change.
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The kidneys help to regulate blood pressure by:A. retaining key electrolytes, such as potassium.B. eliminating toxic waste products from the body.C. removing sodium, and thus water, from the body.D. accommodating a large amount of blood volume.
Answer:
option C
Explanation:
The kidneys regulate circulatory volume by controlling sodium and water balance
what happens when a baby swallows poop in the womb
Answer:it would die
Explanation:it would die from infection
Is someone really good in biology? If so can someone please help me with this I’m struggling with it!!
1. Replicated DNA code will be: TAA CGTGAT; 2. mRNA codons are therefore: UAA CGU GAU ; 3. tRNA anticodons are: AUU CGC CUA; 4. Amino acid sequence is: Stop - Arg - Asp
What is codon?Sequence of three consecutive nucleotides in DNA or RNA molecule that codes for specific amino acid is called as codon.
Assuming the original DNA code is the template strand, the replicated DNA code will be:
TAA CGTGAT
To determine the mRNA codons, we need to transcribe DNA code into mRNA by replacing T with U: UAA CGUGAU
mRNA codons are therefore: UAA CGU GAU
The anticodon for UAA is AUU, which pairs with the codon UAA via complementary base pairing. The anticodon for CGU is GCA, which pairs with the codon CGU via complementary base pairing. The anticodon for GAU is CUA, which pairs with the codon GAU via complementary base pairing.
Therefore, tRNA anticodons are: AUU CGC CUA
To determine the amino acid sequence, we need to use genetic code to translate the mRNA codons into their corresponding amino acids.
UAA = Stop codon
CGU = Arginine (Arg)
GAU = Aspartic acid (Asp)
Therefore, amino acid sequence is: Stop - Arg - Asp
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epigenetic modification is a change in ________________.
Epigenetic modification is a change in the chemical structure of DNA and its associated proteins that can influence gene expression without altering the underlying DNA sequence.
Epigenetic modifications can occur through a variety of mechanisms, including DNA methylation, histone modification, and non-coding RNA-mediated regulation.
DNA methylation involves the addition of a methyl group to cytosine bases in the DNA sequence, which can result in the silencing of nearby genes. Histone modification involves the addition or removal of chemical groups from histone proteins, which can affect the way that DNA is packaged and regulate gene expression.
Non-coding RNAs, such as microRNAs and long non-coding RNAs, can also regulate gene expression by binding to messenger RNA molecules and blocking their translation into proteins.
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the student repeats the experiment with a different substrate and measures no enzyme activity. why would this happen?
If the student repeats the experiment with a different substrate and measures no enzyme activity then this would happen because the enzyme cannot bind to the new substrate.
What is enzyme specificity in terms of enzymatic activity?The expression enzyme specificity in terms of enzymatic activity means that one enzyme only can bind to a group of related substrates while it does not bind to other molecules.
Therefore, with this data, we can see that enzyme specificity in terms of enzymatic activity is capable of explaining the role of enzymes in the cell.
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if the growth medium lacks both his and trp, what will occur? choose one: a. both mutants a and b will form nanotubes to obtain the amino acid they are missing from the other mutant. b. only mutant a will form nanotubes. c. neither mutant a nor mutant b will form nanotubes. d. only mutant b will form nanotubes.
If the growth medium lacks both his and trp, (C) neither mutant a nor mutant b will form nanotubes.
'What is a growth medium?'
A growth medium is a nutrient-rich solution or solid agar surface that provides the appropriate environment for the growth of microorganisms like bacteria, fungi, and yeast. It includes all of the nutrients that the organism requires to thrive and reproduce.
It is important to note that different microorganisms have different nutrient requirements, so the composition of the growth medium must be adjusted depending on the organism you are trying to grow. The absence of specific nutrients can be used to identify a particular species of microorganism.
Therefore, correct option is (C) neither mutant a nor mutant b will form nanotubes.
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which structure is the adult remnant of the umbilical vein?
The adult remnant of the umbilical vein is the ligamentum teres hepatis, also known as the round ligament of the liver.
The umbilical vein is a blood vessel that carries oxygenated blood from the placenta to the developing fetus during pregnancy. After birth, the umbilical vein is no longer needed and begins to close off. The adult remnant of the umbilical vein is known as the ligamentum teres hepatis, which is also called the round ligament of the liver. This fibrous band runs from the umbilicus to the liver and is a non-functional structure in adults. The ligamentum teres hepatis serves as a marker for certain surgical procedures and can also be a site of pathology such as the development of tumors or cysts.
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Fungal groups and relatives Classify each description into the correct fungal group or relative. If a description applies to more than one group, place it into both groups. Have the smallest known oukaryotic genome Produce zoospores Sister group to fung Use polar tube to infect host Alternation of haploid and diploid generations Found in digestivo tracts of herbivores Blastocladiomycota Neocallimastigomycota Microsporidia
The smallest eukaryotic genome ever discovered: Zoospore-producing microsporidia include Blastocladiomycota and Neocallimastigomycota. Sister group to fungi: Microsporidia. Microsporidia can infect a host by using a polar tube.
From where do microsporidia originate?Microsporidia spores can be consumed or inhaled by humans, which causes microsporidiosis. According to studies, some Encephalitozoon species have been found in the urinary system of people with widespread diseases, raising the possibility of sexual transmission. The infectious form is the spore.
Which is the tiniest bacteria, virus, or fungus?Since viruses are the smallest germs and may move through the air with a cough or sneeze, they are typically the simplest to get. Spore size, nuclear make-up, and the interaction between the organism and its host cell are characteristics of microsporidia.
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josiah was just diagnosed with type 2 diabetes, which means that he is now also at increased risk for developing cardiovascular disease.true or false
The given statement "Josiah was just diagnosed with type 2 diabetes, which means that he is now also at an increased risk of developing cardiovascular disease" is true.
The reason is that type 2 diabetes raises the risk of cardiovascular disease. Type 2 diabetes is a metabolic disease that is reported when the pancreas cannot make enough insulin or when the body cannot effectively use the insulin it produces.
Insulin is a hormone that regulates blood sugar levels in the body. As a result, blood sugar levels rise and cause a variety of symptoms.
Heart attacks, strokes, and peripheral artery disease are all examples of cardiovascular diseases. CVD is a major cause of death globally, and diabetes increases the risk of developing CVD.
High blood sugar levels can cause damage to blood vessels, increasing the risk of atherosclerosis, or the hardening and narrowing of the arteries.
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protein-rich dietary patterns, especially those that include many animal sources of protein, are high in called by?
Protein-rich dietary patterns, especially those that include many animal sources of protein, are high in saturated fats and cholesterol.
Proteins are essential for the body's growth, repair, and maintenance. Proteins are found in various foods, including both animal and plant sources. Animal sources include meat, poultry, fish, dairy, and eggs, while plant sources include beans, lentils, tofu, nuts, and seeds.
Proteins are essential for a healthy diet, but a diet high in animal sources of protein can also contain high amounts of saturated fats and cholesterol. A diet high in saturated fats and cholesterol can increase the risk of heart disease, stroke, and other health problems.
Therefore, it is recommended to have a balanced diet with a variety of protein sources from both animal and plant sources. A plant-based diet can provide all the essential nutrients, including protein, while also being low in saturated fats and cholesterol.
A balanced diet with a variety of protein sources can help maintain good health and prevent chronic diseases.
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The two most important classes of pigments in chloroplasts are chlorophylls and ______.
Chlorophylls and carotenoids are the two most important classes of pigments in chloroplasts.
Chlorophylls are the primary pigment that absorbs light energy for photosynthesis, while carotenoids are responsible for absorbing some of the blue and green wavelengths of light, reflecting yellow and orange wavelengths, and acting as an antioxidant in the chloroplast. Chlorophylls are composed of a hydrophobic, polyprenyl tail with a magnesium-containing head group. Carotenoids, on the other hand, are lipophilic compounds composed of an isoprenoid chain and conjugated double bonds. Chlorophylls are found in all photosynthetic organisms, while carotenoids are present only in some photosynthetic species.
Chlorophylls and carotenoids are essential for the efficient harvesting of light energy for photosynthesis. Without these two pigments, photosynthesis would not be able to take place. Additionally, carotenoids serve as a buffer for light and absorb some of the blue and green wavelengths, reflecting yellow and orange wavelengths, which helps protect chloroplasts from overexposure to light.
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Which is part of the digestive system?
Liver
Brain
Aorta
Lungs
Answer:
a
Explanation:
Answer:
liver is part of the digestive system
meiosis occurs as a part of _____ reproduction with the resulting daughter cells having a _____ number of chromosomes
Answer:
sexual
genetically identical
2.
PART B: Which TWO sentences from the article best support the answers to Part A?
"Fingerprints probably represent the best-known example of a feature
useful in biometrics." (Paragraph 5)
A.
B.
C.
D.
E.
F.
"Any feature of the body with a unique shape, size, texture or pattern ...
potentially can be used to identify someone." (Paragraph 5)
"It can be hard to get a good print from people who have worn down the
skin on their fingers after years of working with rough materials, such as
brick or stone." (Paragraph 32)
"Health officials tap into this file, using the fingerprint scanner, to
accurately identify which children still need vaccinating..." (Paragraph 40)
"Using biometrics to keep kids healthy, log onto electronic devices and
catch criminals are important applications." (Paragraph 42)
"We eventually want to use facial recognition in robots that can identify
who you are." (Paragraph 44)
Answer:
The best two sentences that support the answers to Part A are:
"Any feature of the body with a unique shape, size, texture or pattern potentially can be used to identify someone." (Paragraph 5)
This sentence supports the answer to Part A because it indicates that any unique feature of the body can be used for biometric identification, including features like the pattern of veins in the hand.
"It can be hard to get a good print from people who have worn down the skin on their fingers after years of working with rough materials, such as brick or stone." (Paragraph 32)
This sentence supports the answer to Part A because it explains that people who have worked with rough materials for many years may have worn down their fingerprints, making it more difficult to use fingerprints for biometric identification.
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the 3 general ways to overload your body through exercise arefrequency, intensity,time.all of these
The 3 general ways to overload your body through exercise are all of these (option 4). Using any of these three methods, or a combination of them, can help you challenge your body.
Frequency: This refers to how often you exercise, or how many times per week you engage in physical activity. Increasing the frequency of your workouts can help you overload your body by increasing the total volume of exercise you perform in a given time period. For example, if you normally work out three times a week, increasing your frequency to four or five times a week can help you overload your body. This increased frequency can lead to improvements in endurance, cardiovascular health, and overall fitness.
Intensity: This refers to how hard you exercise, or the level of effort you put into each workout. Increasing the intensity of your workouts can help you overload your body by challenging your muscles and cardiovascular system to work harder than they are used to. This can be achieved by increasing the weight you lift, the speed at which you run or cycle, or the level of resistance you use in your exercises. Increasing intensity can lead to improvements in strength, power, and speed.
Time: This refers to how long you exercise, or the duration of each workout. Increasing the time you spend exercising can help you overload your body by increasing the total volume of exercise you perform. For example, if you normally run for 30 minutes, increasing the duration to 45 or 60 minutes can help you overload your body. This increased time can lead to improvements in endurance, cardiovascular health, and overall fitness.
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I need help please! Plant growth hormones
Answer:
1.end seed dormancy
2.promote flowering
The first stop in assessing the evolutionary path of the three equine species is to transcribe their mitochondrial DNA to RNA. A mitochondrial gene from a horse is found on the top strand: What RNA sequence is produced from this strand of DNA? (Enter your answer beginning at the 5' end with no spaces.)
The RNA sequence produced from the top strand of the mitochondrial DNA of a horse is: 5'-AAUCUGCUUGGCCUAAAU-3'.
This sequence is derived from the process of transcription, which is a part of gene expression. In transcription, the DNA sequence is used as a template to create a complementary RNA molecule. The RNA molecule created from the mitochondrial DNA of the horse contains the same genetic information, but it is written in a different language.
In the process of transcription, DNA is unzipped, and an enzyme called RNA polymerase binds to the template strand of the DNA and starts reading it in the 3' to 5' direction. For each DNA nucleotide, an RNA nucleotide is matched to it and the two nucleotides are held together by a hydrogen bond.
This process continues until the enzyme reaches the end of the template strand. The result of this transcription is a single strand of RNA. The sequence of the RNA molecule is the complement of the sequence of the original DNA template strand. In the case of the mitochondrial DNA of a horse, the complementary RNA sequence is 5'-AAUCUGCUUGGCCUAAAU-3'.
Transcription is a fundamental process for gene expression. Through this process, the information contained in the DNA molecule is made available for the production of proteins and for other cellular functions.
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a population of ten mating pairs of butterflies colonize a new area with no predators and a number of flower species large enough to support a butterfly population of 2000 individuals. each pair can have 20 offspring per year. for the first 2 years in the new area, the growth curve for this butterfly population will show:
The population growth curve for the butterfly population with about 2000 individuals with each pair having 20 offspring per year will show an exponential growth for the first 2 years.
What is Population growth?A population of ten mating pairs of butterflies colonize a new area with no predators and a number of flower species large enough to support a butterfly population of 2000 individuals. Each pair can have 20 offspring per year. The equation for exponential growth is expressed as:
N = N₀ ert
N = N₀ ert
where, N is the population, N₀ is the initial population, r is the rate of growth or decay, and t is the time. For the first two years, the equation for the population of butterflies is given by:
N = 20 × 10 × 2t
N = 400t
Therefore, the growth curve for the butterfly population will show exponential growth for the period of first 2 years.
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Which phrase best describes a population?
the number of individuals of a species in an area
all types of organisms living in an area
all biotic and abiotic factors in an area
the number of animal species in an area
The phrase "the number of individuals of a species in an area" best describes a population.
What is Abiotic Factor?
A population refers to a group of individuals of the same species living in a particular area at a particular time. It is a fundamental concept in ecology and is used to study how populations grow, interact with other populations, and respond to changes in their environment. Abiotic factors interact with biotic factors, such as plants and animals, to create complex and dynamic ecosystems.
A population refers to a group of individuals of the same species living in a particular area at a particular time. It is a fundamental concept in ecology and is used to study how populations grow, interact with other populations, and respond to changes in their environment.
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indicate which cellular processes directly require DNA replication (R), transcription (TC), or translation (TL). 'Directly' means the cellular process that must occur immediately before the one in the question. synthesis and secretion of insulin from the liver meiosis of spermatogonia production of LH mRNA in the pituitary gland mitosis of intestinal epithelial cells synthesis of steroid hormone receptors
The cellular processes that directly require DNA replication (R), transcription (TC), or translation (TL) are as follows:
Synthesis and secretion of insulin from the liver: Transcription (TC) and Translation (TL)Meiosis of spermatogonia: DNA Replication (R)Production of LH mRNA in the pituitary gland: Transcription (TC)Mitosis of intestinal epithelial cells: DNA Replication (R)Synthesis of steroid hormone receptors: Transcription (TC)1. Insulin is a hormone produced by the pancreas, and it plays a vital role in regulating the body's metabolism. The synthesis of insulin involves transcription and translation processes. Insulin is transcribed from the DNA in the nucleus and translated into a protein in the cytoplasm.
2. Meiosis of spermatogonia requires DNA replication as the first step. The cell divides twice to form four haploid sperm cells that are used for fertilization.
3. The pituitary gland produces follicle-stimulating hormone (FSH) and luteinizing hormone (LH), which regulate the production of estrogen and testosterone in the ovaries and testes, respectively. The production of LH mRNA requires transcription.
4. The mitosis of intestinal epithelial cells occurs through DNA replication. The daughter cells have the same genetic information as the parent cell, ensuring that the same information is passed on.
5. The synthesis of steroid hormone receptors requires transcription, which is the process by which RNA is produced from DNA. Steroid hormone receptors are proteins that bind to steroid hormones and play a role in the regulation of gene expression.
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A classic study (Harlow & Harlow) demonstrated that when baby monkeys were denied physical contact with their mothers...
The classic study by Harlow and Harlow (1958) demonstrated that when baby monkeys were deprived of physical contact with their mothers, they experienced a variety of developmental issues, such as increased fearfulness and decreased ability to form meaningful relationships.
The "wire mother/cloth mother" experiment was conducted by Harlow and Harlow in which they designed two artificial mothers for the baby monkeys. One of the mother's was made of wire, and the other one was made of soft cloth. They studied the behavior of monkeys with different mothers.
The experiment's outcome showed that the baby monkeys were strongly inclined towards the cloth mother and spent more time with the cloth mother rather than with the wire mother. This experiment reveals that the physical contact and attachment of the mother have a significant impact on the emotional and social development of the child.
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What could have caused the size of the moon jelly population to increase?
The size of the moon jelly population could have been caused by a variety of factors such as favorable environmental conditions, high rates of reproduction, and the influx of new individuals.
The size of the moon jelly population could have been caused by a number of factors. Firstly, a favorable change in environmental conditions, such as increased temperature, salinity, or food availability, could all lead to larger population size. Secondly, moon jellies have very high rates of reproduction and a short lifespan, meaning a single successful spawn can quickly lead to larger population size. Finally, the moon jelly population may have been boosted by an influx of new individuals from other parts of the ocean.
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Can you help me please?
which layer of a blood vessel contains smooth muscle and elastic fibers?
The tunica media is the layer of a blood vessel that contains smooth muscle and elastic fibers.
Blood vessels are tubes that transport blood throughout the body. Blood vessels are divided into three categories: arteries, veins, and capillaries. Arteries transport oxygenated blood from the heart to the body's tissues, while veins transport deoxygenated blood from the tissues to the heart.
Capillaries, on the other hand, connect arterioles and venules and enable the exchange of water, oxygen, carbon dioxide, and other nutrients and waste products between blood and tissues. In general, blood vessels are lined with a smooth layer of endothelial cells that is surrounded by a thicker layer of smooth muscle and elastic connective tissue known as the tunica media.
The outermost layer of a blood vessel is known as the tunica adventitia or tunica externa, which is made up of fibrous connective tissue. The tunica media is the layer of a blood vessel that contains smooth muscle and elastic fibers.
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Imagine that you are one of the U.S. representatives in charge of deciding whether or not this mosquito receives approval to be released. Describe what concerns or questions you would want answered about the mosquito.
Answer:
As a U.S. representative tasked with deciding whether or not to approve the release of the mosquito, I would have a number of concerns and questions that I would want answered before making a decision. Some of these concerns and questions might include:
in pea plants, the allele for purple flowers, p, is dominant over the allele for white flowers, p. which conclusion about phenotype and genotype is possible?(1 point) responses A. if a plant has white flowers, then its genotype must be pp. B. if a plant has white flowers, then its genotype must be , pp, . C. if a plant has white flowers, then its genotype must be pp. D. if a plant has white flowers, then its genotype must be , pp, . E. if a plant has purple flowers, then its genotype must be pp. F. if a plant has purple flowers, then its genotype must be , pp, . G. if a plant has purple flowers, then its genotype must be pp.
A plant's genotype must be pp if it produces white blooms. On pea plants, purple flowers are predominate and white flowers are recessive. The blossom will be purple if at least one P allele is present.
What is the most accurate way to define genotype?The genetic configuration of a property that an organism inherits from its parents is called a genotype. The total set of genes that a child or adult acquired from each parent is referred to as the genotype.
How can a genotype be determined?With a Punnett square, you may ascertain a genotype. To identify the genotypes that are present, you can utilize analytical techniques like PCR analysis and genomic dna hybridization if you are functioning in a more sophisticated laboratory.
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Where are the low-energy electrons located after the electron transport chain is completed?- They are recycled to earlier steps in the process.- They are added to H+ to form H.- They are located in the cytoplasm, where they contribute to the overall negative charge of the cell.- They are located in the bonds of H2O.- They are located in the bonds of ATP after chemiosmosis.
The low energy electrons after the electron transport chain (ETC) is completed: (4) They are located in the bonds of H₂O.
ETC is a series of electron transporters present in the inner mitochondrial membrane and the thylakoid of chloroplast through which the electrons are transported. This process is coupled with the formation of proton gradient which is used to generate energy components like ATP and NADPH.
The low energy electrons are the same high energy electrons at the beginning of the ETC. After passing through the series of transporters they lose their energy and complete the process by reducing the available oxygen molecule by the formation of water (H₂O).
Therefore the correct answer is option 4.
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