We use genetically modifed animals for protein tracking as well as novelty pets.
True
False
Answers
true
Explanation:
Related Questions
Which pairs of polygons are similar? select each correct answer.
Answers
If the respective sides have a constant ratio and the corresponding angles are congruent, two polygons are said to be similar. There will always be similar varieties of triangles, quadrilaterals, and polygons.
For instance, squares and congruent triangles are both similar shapes. We know the lengths of comparable sides are proportional if two polygons resemble one another. When two polygons have corresponding sides that are proportionate and corresponding angles that are congruent, they are said to be similar polygons. In other words, the polygons may be different sizes even though they have the same shape. Since all regular polygons have equal sides and proportionate radii.
(The que is incomplete I answered this que in general according to my knoweledge).
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How do prions, which are misfolded proteins, infect organisms?.
Answers
Answer:
These misfolded proteins do not multiply in the host organism that they infect. Instead, they affect the brain structure by acting as a template, inducing proteins with normal folding to convert to the abnormal prion form.
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Living systems
a) violate the first law of thermodynamics.
b) decrease their entropy while increasing the entropy of the universe.
c) are only compelled to follow the first law of thermodynamics
d) are examples of a closed system
e) violate the second law of thermodynamics
Answers
Living systems are examples of a closed system, as they have an organism and unit configuration.
What is a closed system example?A closed system is one in which only energy is transferred and not any matter. Earth is considered the best example of a closed system as it only transfers energy and not matter around its atmosphere. And it is a natural process that is happening in and around the Earth.
With this information, we can conclude that Living systems are examples of a closed system, as they have an organism and unit configuration.
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Fossil fuels have been used for years as a source of energy. Even though there are many negative issues associated with the use of fossil fuels, they continue tobeused to a great extent. This is most likely because
Answers
Answer:
These fuels are very efficient, it means that fossil fuel sources (oil, natural gas and coal) have high energy conversion rates, thereby they enable to generate important amounts of energy.
Explanation:
It has been shown that the overall efficiency of the conversion of fossil fuels to electricity is approximately 40%, while 60% of the energy produced is wasted during the process of combustion. However, it is important to note that the efficiency of renewable energies (i.e., geothermal, solar, hydroelectricity, wind and biomass) have been considerably increased in the last years.
What is glycogen and what is it used for?
Answers
Answer:
This stored form of glucose is made up of many connected glucose molecules and is called glycogen. When the body needs a quick boost of energy or when the body isn't getting glucose from food, glycogen is broken down to release glucose into the bloodstream to be used as fuel for the cells.
The edrophonium test is used to diagnose Dupuytren's contracture. Group of answer choices True False
Answers
The edrophonium test is not used to diagnose Dupuytren's contracture. The statement is false. Dupuytren's contracture is a hand deformity in which one or more fingers are permanently curled.
It typically affects the ring finger and pinky finger. The condition results from the formation of abnormal tissue beneath the skin of the palm, causing thick cords to develop that can pull the fingers into a bent position over time. The cause of Dupuytren's contracture is not clear, but it is more common in men over 40 and individuals of Northern European descent. The edrophonium test is a diagnostic test used to determine if a person has myasthenia gravis, a neuromuscular disorder that causes muscle weakness and fatigue. During the test, a small amount of edrophonium chloride is injected into the patient's vein, which temporarily blocks the enzyme that breaks down acetylcholine, a neurotransmitter that helps muscles contract. If the patient's muscle strength improves after the injection, it is likely that they have myasthenia gravis.
The edrophonium test is not used to diagnose Dupuytren's contracture. The condition is typically diagnosed based on a physical exam by a healthcare provider. The healthcare provider will examine the hand for signs of thickening or lumps in the palm, and check for finger contracture. Imaging tests such as X-rays, MRI, or ultrasound may also be ordered to evaluate the severity of the condition. Treatment options for Dupuytren's contracture may include medication, physical therapy, or surgery depending on the severity of the condition.
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what do you see yourself continuously doing to promote sustainability???
Answers
Answer:
How can someonebe political
I NEED HELP PLEASEE :PPP
Answers
Answer:
c
Explanation:
Which of the following causes a strand of mRNA to form
A. Transcription
B. Translation
C. Replication
Answers
Answer:
The answer is A, transcription
6. understand the two main types of toxins (exo and endotoxins) and their subtypes mentioned in the lecture slides.
Answers
Exotoxins are released from bacteria by active secretion, and are typically proteins with enzymatic activity. Exotoxins can be further divided into 3 types depending on their mode of action: A-B toxins, cytolysins, and RTX toxins.
A-B toxins are composed of 2 parts; an enzymatic A subunit that binds to a receptor and transports the B subunit into the cell, and the active B subunit which causes a physiological effect within the cell. Cytolysins are composed of proteins that form pores in the cellular membrane allowing the contents of the cytoplasm to escape, while RTX toxins are composed of proteins that act like syringes injecting toxins into the cell and disrupting its functions.
Endotoxins are typically lipopolysaccharides composed of lipid and polysaccharide subunits and are found in the outer cell membrane of Gram-negative bacteria. Endotoxins can be further divided into two categories depending on their effect: toxic and non-toxic.
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the mammalian tail and
the human coccyx (tail bone)
the leaves of pitcher plants
and cacti
the flippers of penguins
and dolphins
the bills of ducks
and platypuses
Homologous
the shells of turtles
and crabs
Analogous
Answers
The mammalian tail and the human coccyx, the leaves of pitcher plants and cacti, are homologous organs while, the flippers of penguins and dolphins, as well as the shells of turtles and crabs are analogous structures.
What are homologous organs?Homologous organs are those that are similar in structure but operate differently. They resulted from divergent evolution.
Divergent evolution occurs when species are closely connected to the same ancestors but develop similar structures that perform different tasks in different environments.
Analogous Organs are organs from various creatures that, despite their appearance, perform the same function.
In the given case, the mammalian tail and coccyx, as well as the leaves of pitcher plants and cacti, are homologous organs, whereas penguin and dolphin flippers, as well as turtle and crab shells, are analogous structures.
Thus, these are the different instances of homologous and analogous organs.
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I NEED HELP ON KEY CONCEPT!!
Answers
The jellyfish life cycle has several stages. During one of these stages, jellyfish reproduce asexually.
Which statement describes an advantage of asexual reproduction?
1.
Only one individual is needed to reproduce.
2.
Only beneficial traits are passed on to offspring.
3.
Two individuals contribute genes to the offspring.
4.
The genetic diversity of the population is increased.
Submit Answer
Answers
Answer:
1
Explanation:
Which of the following statement(s) regarding CRISPR is(are) correct?
1. CRISPR is a powerful gene editing tool that can be used to repair or alter the host cell's DNA.
2. CRISPR is a naturally occuring defense mechanism used by bacteria to destroy foreign viral DNA.
3. The precision and efficiency of CRISPR allows researchers to modify almost any DNA in any organism.
4. Ethical issues regarding CRISPR include the potential for editing human embryos or germline cells.
5. All of the above
Answers
All of the statements provided are correct regarding CRISPR. CRISPR is a powerful gene editing tool that can be used to modify the DNA of host cells.
CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) is indeed a powerful gene editing tool that allows scientists to make precise modifications to the DNA of living organisms. It utilizes an enzyme called Cas9, which acts as a pair of molecular scissors to cut DNA at specific locations. This enables the addition, removal, or alteration of genetic material, providing the potential to repair genetic defects, treat diseases, or even enhance desired traits.
The second statement is also correct. CRISPR is a naturally occurring defense mechanism found in bacteria. It helps protect them from viral infections by incorporating snippets of viral DNA into their own genome. These snippets, known as CRISPR arrays, serve as a molecular memory of previous viral encounters. When the bacteria encounter the same or similar viral DNA again, they use the CRISPR system to guide Cas proteins to destroy the viral DNA.
The third statement is accurate as well. CRISPR's precision and efficiency make it a versatile tool for DNA editing. It has been successfully applied to modify the DNA of various organisms, including plants, animals, and even humans. This technology has opened up new possibilities for scientific research, medical advancements, and agricultural improvements.
Finally, the fourth statement is valid regarding ethical concerns surrounding CRISPR. The ability to edit human embryos or germline cells raises ethical questions due to the potential long-term effects on future generations and the potential for misuse. The ethical implications of altering the human germline have been a subject of intense debate within the scientific community and society as a whole.
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sophie rafain potentiate anti-cancer effects of doxorubicin and cisplatin and mitigate their toxic effects
Answers
Sulforaphane potentiate anti-cancer effects of doxorubicin and cisplatin and mitigate their toxic effects like heart problems and enhance their effectivity.
Doxorubicin and cisplatin are the drugs that are used to treat various types of cancer including breast cancer, lung cancer, bladder cancer, and ovarian cancer.
The are also associated with side-effects like heart problems, etc.
Sulforaphane is a sulphur rich substance found in green vegetables which is evident to have anti-cancer effects and helps in prevention and treatment of various types of cancer.
It causes the cancer cells to self destruct by the process of apoptosis.
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which of the following structures helps our sense of balance
Answers
Answer:
D answer is correct
Explanation:
semi circular helps our sense of balance
Answer:
eardrum
Explanation:
The ear is a sensory organ that picks up sound waves, allowing us to hear. It is also essential to our sense of balance: the organ of balance (the vestibular system) is found inside the inner ear. It is made up of three semicircular canals and two otolith organs, known as the utricle and the saccule
The graph represents the outcome of natural selection in a population of Darwin's finches. Which statement best describes this outcome?
A) Finches that are best suited to survive and reproduce (points 1 and 3) are more likely to pass on beneficial traits to their offspring; those less suited (point 2) fail to pass on their traits to their offspring.
B) Finches that are least suited to survive and reproduce (points 1 and 3) are more likely to pass on beneficial traits to their offspring; those more suited (point 2) fail to pass on their traits to their offspring.
C) Finches that are best suited to survive and reproduce (point 2) are more likely to pass on beneficial traits to their offspring; those less suited (points 1 and 3) fail to pass on their traits to their offspring.
D) Finches that are least suited to survive and reproduce (point 2) are more likely to pass on beneficial traits to their offspring; those more suited (points 1 and 3) fail to pass on their traits to their offspring.
Answers
Answer:
i
Explanation:
TOPIC: CARBONS BONDS
I need a formula with 14 carbons, using single and double bonds
PLEASE, I WILL GIVD YOU CROWN
Answers
One possible formula with 14 carbons, using single and double bonds, is C7H10O3.
Start with a carbon backbone: C-C-C-C-C-C-C-C-C-C-C-C-C-C.This gives you 14 carbon atoms connected in a straight chain.To introduce double bonds, we need to remove two hydrogen atoms and create double bonds between adjacent carbon atoms. Let's choose the 3rd and 4th carbon atoms from the left.Remove two hydrogen atoms from the 3rd and 4th carbon atoms: C=C-C=C-C-C-C-C-C-C-C-C-C.Now, we need to balance the number of hydrogen atoms. Each carbon atom should have four bonds. Since we removed two hydrogen atoms, we need to add two double bonds.Introduce two double bonds between the 1st and 2nd carbon atoms and between the 6th and 7th carbon atoms: C=C-C=C-C=C-C-C-C-C-C-C-C.To complete the formula, add hydrogen atoms to each carbon atom to satisfy the valency.
The final formula, with 14 carbons and using single and double bonds, is C7H8.
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someone please help me
What materials do motor neurons need to survive and how do they get those materials?
Answers
Answer:
Neurons are made up of three major parts: a cell body, or soma, which contains the nucleus of the cell and keeps the cell alive; a branching tree like fiber known as the dendrite, which collects information from other cells and sends the information to the soma; and a long, segmented fiber known as the axon, which transmits information away from the cell body toward other neurons or to the muscles and glands.
what killed the dinosuars?
Answers
Answer:
An asteroid
Explanation:
Answer:
There are many theories but one I rely on is that the meteor crashed into the ocean and created a gigantic tsunami along with smoke that both killed the dinosaurs.
DNA and RNA both use the same types of nucleotides
Answers
Answer:
No
Explanation:
In the nucleotide of DNA and RNA only Phosphate that is similar to both nucleic acid, They have different sugar portion and Nitrogenous base.
DNA nucleotide include
- Phosphate
- deoxyribose sugar
- NB Adenine, Thymine, Guanine and Cytosine
RNA nucleotide include
- Phosphate
- Ribose sugar
- NB Adenine, Uracil, Guanine and Cytosine
Therefore They do not use the same types of nucleotides because DNA has 2 strand that are joined together by weak hygrogen bond and it is long. while RNA has 1 strand and it is a short thus not coiled or helical.
(iv) Plants, like all living organisms, need to excrete waste products. Explain how the excretory product of photosynthesis is removed from leaf.
Answers
Plants eliminate waste products generated during photosynthesis through a process called transpiration. The primary waste product of photosynthesis is oxygen, and it is removed from the leaf through small openings called stomata.
During photosynthesis, plants absorb carbon dioxide and release oxygen as a byproduct. Oxygen molecules diffuse out of the leaf cells and accumulate in the intercellular spaces within the leaf.
From there, oxygen moves into the stomata, which are tiny pores on the surface of leaves. Stomata are open and close to regulate gas exchange and water loss. When the stomata are open, oxygen is released into the surrounding atmosphere through diffusion, effectively removing it as a waste product.
Transpiration, the process by which water vapor evaporates from the leaf's surface, also helps in the removal of waste products. As water evaporates from the leaf through the stomata, it carries away any dissolved gases, including oxygen.
This process ensures that waste products of photosynthesis are efficiently eliminated from the leaf and allows for the exchange of gases necessary for plant respiration.
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7. True or false:
a) The pericardium is the membrane surrounding the lungs.
b) The tidal volume describes the maximum amount of air that can be inhaled into the
lungs. ___
c) Tidal volume can be measured with a peak flow meter. ____
d) Inspiration takes up energy but expiration (during normal at rest breathing) is a passive ____
process not normally requiring energy. ____
e) The diaphragm is made of smooth muscle. ___
f) The epiglottis closes off the larynx during swallowing. ___
g) The rate of breathing is controlled by the pituitary gland. ___
h) When an animal exercises the rate of breathing increases because the carbon dioxide
in the blood increases. ___
i) Carbon dioxide dissolved in the blood makes the blood alkaline. ___
j) Carbon dioxide in the blood is mainly carried in the blood plasma. __
k) Oxygen moves from the alveoli into the capillaries by the process of osmosis. ___
1) Expired air contains about 16% oxygen. ___
Answers
b) False. The tidal volume describes the volume of air that is inhaled or exhaled during normal breathing.
c) False. Tidal volume can be measured with a spirometer or a peak flow meter.
d) True.
e) False. The diaphragm is made of skeletal muscle.
f) True.
g) False. The rate of breathing is controlled by the respiratory center in the brainstem.
h) True. During exercise, the body produces more carbon dioxide, which increases the breathing rate to remove excess carbon dioxide from the body.
i) False. Carbon dioxide dissolved in the blood makes the blood acidic.
j) False. Carbon dioxide in the blood is mainly carried by red blood cells in the form of bicarbonate ions.
k) False. Oxygen moves from the alveoli into the capillaries by the process of diffusion.
l) False. The percentage of oxygen in expired air is lower than in inhaled air, typically around 15%.
if a single pre-synaptic neuron fires rapidly in succession to produce an epsp in the post-synaptic cell, then we would say _____ has occurred
Answers
If a single pre-synaptic neuron fires rapidly in succession to produce an EPSP in the post-synaptic cell, then we would say facilitation has occurred. Facilitation refers to the process by which the efficiency of neurotransmission across a synapse increases.
The presynaptic cell's activity is enhanced, causing an increase in the amount of neurotransmitter released and, as a result, greater postsynaptic cell depolarization, which generates an action potential. The term "facilitation" is often utilized to refer to a transient modification in synaptic strength induced by activity-dependent modifications in presynaptic release efficiency that persist over tens to hundreds of milliseconds after the triggering stimulus. A temporary decrease in the threshold for subsequent action potentials following the arrival of a stimulus at a synapse is known as facilitation. Facilitation is most likely the outcome of a buildup of residual calcium concentration, which leads to an enhanced probability of transmitter release. Hence, in short, facilitation occurs when a single pre-synaptic neuron fires rapidly in succession to produce an EPSP in the post-synaptic cell.
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the pa goes on to explain that cat bite infections and bartonellosis (cat scratch disease) differ in that
Answers
Bartonellosis, also known as cat scratch disease, is caused by the bacterium Bartonella henselae, which is transmitted to humans through scratches or bites from infected cats.
On the other hand, cat bite infections are usually caused by a variety of bacteria that are present in the mouth of a cat, including Pasteurella multocida, Streptococcus species, and anaerobic bacteria.
One key difference between cat bite infections and bartonellosis is the causative agent. Cat bite infections are usually caused by a mixture of bacteria present in the cat's mouth, which can result in localized skin infections, cellulitis, or even systemic infections in severe cases. Bartonellosis, on the other hand, is caused specifically by the bacterium Bartonella henselae.
Another difference is the mode of transmission. Cat bite infections typically occur when a cat bites a human, introducing bacteria into the wound. In contrast, bartonellosis is usually transmitted through scratches or bites from infected cats, with the bacterium Bartonella henselae present in the cat's saliva and transmitted to humans through broken skin.
Clinical manifestations of cat bite infections and bartonellosis can also differ. Cat bite infections often present as localized skin infections, whereas bartonellosis can manifest with fever, swollen lymph nodes near the site of the scratch or bite, and flu-like symptoms.
Treatment approaches may also differ for cat bite infections and bartonellosis. Cat bite infections usually require prompt medical attention, including wound care, antibiotics, and tetanus vaccination if necessary. Bartonellosis is generally self-limiting and may not always require specific treatment, although antibiotics may be prescribed in severe cases or when complications arise.
It's important to consult a healthcare professional for proper diagnosis and treatment of any infection or disease, including those associated with cat bites or scratches.
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Could someone please answer this question?
Write a sentence explaining the relationship among Gene, chromosome, and nucleus.
Answers
Answer: Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
Explanation:
Answer:Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
Explanation:
"If global warming sometimes seems like a distant or abstract threat, new research casts the phenomenon in stark, life-or-death terms. It predicts that in the absence of significant progress in efforts to curb emissions of temperature-raising greenhouse gases, extreme heat waves could claim thousands of lives in major U.S. cities. If the global average temperature rises 3 degrees Celsius (5.4 degrees Fahrenheit) above preindustrial levels — which some scientists say is likely if nations honor only their current commitments for curbing emissions — a major heat wave could kill almost 6,000 people in New York City. Similar events could kill more than 2,500 in Los Angeles and more than 2,300 in Miami. But the new research also indicates that if the U.S. and other nations take aggressive steps to limit warming, many of those deaths from extreme heat might be avoided. "There is, actually, still hope, and a very small window of opportunity" to keep global warming below international targets and prevent some heat-related deaths, said Eunice Lo, a climate scientist at the University of Bristol in the United Kingdom." This article was published in 2019. Have things improved since then? This past summer, nearly 100 people died from heat-related issues in Vancouver B.C. and many others is Los Angeles and Florida. Comment on what action governments need to take to deal with this global emergency that impacts Canada as well.
Answers
The phenomenon of global warming has been casting a stark life or death shadow over many major U.S. cities. The increase in temperature due to the emission of greenhouse gases may cause an extreme heat wave that could claim thousands of lives in these cities.
Even if nations honor only their current commitments for curbing emissions, the global average temperature is expected to rise by 3 degrees Celsius, which some scientists say is likely.
A major heat wave in New York City could claim up to 6,000 lives, while similar events in Los Angeles and Miami could kill over 2,500 and 2,300 people, respectively, according to the new research.
However, if the U.S. and other nations take aggressive measures to limit warming, many heat-related fatalities could be prevented.
The article was published in 2019, but there is little evidence to suggest that the situation has improved significantly. Heat-related issues have claimed several lives in Vancouver, B.C. and many others in Los Angeles and Florida this past summer.
Governments should take several steps to deal with this global emergency that impacts Canada, including the following:
Take action to reduce greenhouse gas emissions: Governments must commit to reducing greenhouse gas emissions to reduce the impact of global warming. Carbon taxes, cap-and-trade systems, and other measures can be used to discourage the use of fossil fuels in favor of cleaner, more sustainable energy sources, such as solar and wind power.Adaptation measures: Governments must also take steps to prepare for the effects of global warming that are already occurring or are expected to occur in the future. This includes developing heatwave response plans, implementing urban heat island mitigation measures, and providing cooling centers for people at risk of heat-related illness or death.Public education: Governments should educate the public about the risks of heat-related illness and how to avoid it. Information about the best ways to stay cool, hydrated, and safe during a heat wave should be widely distributed, particularly to vulnerable populations, such as the elderly, children, and those with chronic health conditions.Learn more about global warming at
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what would happen if the chromosome number were not cut in half during the process of meiosis in humans? select all that apply. what would happen if the chromosome number were not cut in half during the process of meiosis in humans?select all that apply. upon fertilization, the zygote would be inviable because it would have more than 47 chromosomes. upon fertilization, the zygote would have a different number of chromosomes from the parents. gametes would be diploid instead of haploid. upon fertilization, the zygote would have the same number of chromosomes as the parents. gametes would still be haploid.
Answers
Upon fertilization, the zygote would have a different number of chromosomes from the parents. Gametes would be diploid instead of haploid.
What takes place when chromosomes don't completely separate during meiosis?In meiosis I (first row), meiosis II (second row), and mitosis, nondisjunction, in which chromosomes fail to split equally, can take place (third row). These uneven separations can result in aneuploids, or daughter cells with unusual chromosomal counts.
Gametes need to have half the number of chromosomes found in healthy body cells because the zygote has to have genetic material from both the mother and the father. The number of chromosomes must therefore be divided in half during meiosis.
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The Solar System is made up of gas, dust, and then was put together in a unique way. For planet Earth, all of the objects around us are made up of solid material. What best describes the area we are in?
Group of answer choices:
Asteroid Belt
Gas Giant Planets
Terrestial Planets
Kuiper Belt
Answers
Answer:
Terrestial Planet
Explanation:
Earth has a rocky surface like other planets such as Mars, Mercury, and Venus.
Which of the following members would most likely be ranked highest in prototypicality in the "birds" category?
A. Raven
B. Duck
C. Hummingbird
D. Sparrow
Answers
The bird that would most likely be ranked highest in prototypicality in the "birds" category would be D. Sparrow.
Prototypicality refers to how well an item or concept fits the typical or average representation of a category. In the case of the "birds" category, the sparrow would be considered the most prototypical because it possesses many of the typical features and characteristics that people associate with birds.
Sparrows have wings, feathers, beaks, and are able to fly, which are all characteristics commonly associated with birds. Additionally, sparrows are small and common, and are often seen in urban and suburban environments, which also contribute to their prototypicality in the "birds" category.
While the other options - raven, duck, and hummingbird - are all birds, they possess characteristics that are less typical of the category as a whole. For example, ravens are larger and less common than other birds, ducks are often associated with water and swimming, and hummingbirds have unique physical characteristics that differentiate them from other birds.
Therefore the correct answer is option D.
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