During elongation in transcription, RNA polymerase creates a complementary mRNA sequence from a gene. Provide
the mRNA sequence from the given gene sequence.
TACGGCACCCAGCATT

A

Explanation:

Cellulose is insoluble most animals can't digest

Essentially, cellulose is a chain of glucose, similar to starch. Animals cannot break down the link in cellulose, unlike starch, hence option A is correct.

Due to its robust structure and extensive range of uses, cellulose is a crucial organic molecule. It is a crucial part of the sturdy cell walls that enclose plant cells and give stems, leaves, and branches such strength.

Promoting the peristaltic motions of the gastrointestinal (GI) tract and absorbing water to give the intestinal contents bulk, cellulose, and other insoluble, indigestible carbohydrates help in the proper evacuation.

Therefore, cellulose is insoluble, most animals cannot digest the seeds, and animals cannot break down the link in cellulose, hence option A is correct.

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Answer:

Homology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor. 

Water has a remarkable ability to cling to itself and other substances. The propensity of water molecules to be attracted to other water molecules, allowing water to be a "sticky" liquid, is described by the property of cohesion.

The difference in charge between slightly positive hydrogen ions and other, slightly negative ions causes hydrogen bonds, which are electrostatic forces.

Hydrogen bonds form between adjoining hydrogen and oxygen atoms of adjacent water molecules in the case of water. A hydrogen bond is formed when individual water molecules attract each other.

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The normal flora, also known as the skin microbiota, reside in the epidermis, which is the outermost layer of the skin.

So, the correct answer is option 2: Epidermis. The skin microbiota is made up of various bacteria, fungi, and other microorganisms that live on the surface of our skin. These microorganisms play a beneficial role in maintaining the health of our skin by competing with harmful bacteria, regulating the skin's pH, and supporting the immune system.

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Answer:

who will answer this

Explanation:

Hunt's experiments can be broken down into several steps of the scientific method: Hunt observed that many of the eggs from her lab mice had problems with their chromosomes, which could lead to miscarriages and birth defects.

Hunt wondered what had gone wrong and began to investigate. Hunt formulated a hypothesis that BPA, an endocrine disruptor, had adversely affected her mice. Hunt predicted that if BPA exposure was responsible for the observed effects, then exposing mice to BPA would lead to similar chromosomes abnormalities.

Hunt conducted experiments to test her hypothesis by exposing mice to BPA and observing their eggs for chromosome abnormalities. Hunt analyzed the results of her experiments to determine whether they supported or contradicted her hypothesis.

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Modern advancements have enabled this modern-day scientist to conduct research in a manner that Charles Darwin couldn't. These advancements have revolutionized various aspects of scientific investigation, providing scientists with unprecedented tools and opportunities for discovery.

1. Technological Innovations: The development of advanced laboratory equipment and tools has significantly enhanced the scientist's ability to analyze and manipulate biological samples. From high-resolution microscopes to gene sequencing machines, these advancements allow for a more detailed examination of organisms and their genetic makeup.

2. Computational Power: The availability of powerful computers and sophisticated algorithms has transformed the field of data analysis. Modern scientists can process vast amounts of genetic data, run complex simulations, and perform intricate statistical analyses. This computational power allows for more precise and comprehensive investigations, enabling them to uncover patterns and relationships that Darwin could only dream of.

3. Collaborative Research: The advent of the internet and digital communication has facilitated global collaboration among scientists. They can share data, exchange ideas, and work together on projects regardless of geographical barriers. This collaborative approach leads to a collective accumulation of knowledge and accelerates the pace of scientific discovery.

4. Access to Information: The digital age has made a wealth of scientific literature and research readily accessible. Scientists today can access an extensive database of previous studies, allowing them to build upon existing knowledge and make more informed hypotheses. Darwin, on the other hand, had limited access to scientific literature and relied mostly on firsthand observations.

5. Interdisciplinary Approaches: Modern scientists have the advantage of interdisciplinary collaboration, combining knowledge and techniques from multiple fields. By integrating biology, physics, chemistry, and other disciplines, researchers can approach problems from different angles, leading to deeper insights and innovative solutions.

In summary, modern advancements in technology, computation, collaboration, and access to information have empowered today's scientists to conduct research in ways that were unimaginable during Darwin's time. These advancements have expanded the scope of investigation, increased precision, and accelerated the pace of scientific discovery.

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Answer:

39 degree Celsius

Explanation:

Human body functions well at 36 degree Celsius. All the body functions and the enzymes secretion and processes works best on the temperature 36 degree Celsius.

The enzyme of humans will function good on temperature 39 as it is the very near to the body temperature of the human. The optimal temperature would be between temperature 35 to 40 degrees for most of the enzymes.

Testing hypothesis :

Add amylase which is an enzyme present in the saliva to a concentration sugar, which acts as the reactant in a small container having a lid. Use a thermometer to mark the changes in the temperature. We have to take two identical samples of our experiment. Place one sample at a room temperature of 25 degree Celsius and the other to be heated to 40 degree Celsius. Now we have to check the concentration of the product for each temperature. And while checking the sample which is heated, we see that at some point, the rate where the substrate is being converted in to product  decreases as the enzyme denaturation and the reaction will stop. The optimal temperature is the one where the product is produced at the maximum rate.

Answer: Chemical equation: 6CO2 + H2O -> C6H12O6 + 6O2

Explanation:

Carbon Dioxide (6CO2) + Water (H2O) -> Glucose (C6H12O6) + Oxygen (6O2)

Allopatric speciation - caused by a physical barrier that prevents mating between subpopulations and occurs among subpopulations that inhabit different geographic areas.

Sympatric speciation - occurs through geographic isolation caused by gametic, behavioral, and temporal mechanisms, and diverging subpopulations cannot successfully interbreed.

Both allopatric and sympatric speciation - occurs among subpopulations that inhabit the same geographic area caused by isolating barriers.

The process of "occurs among subpopulations that inhabit the same geographic area" describes sympatric speciation. The process of "caused by isolating barriers" describes allopatric speciation. The process of "chused by a physical barrier that prevents mating between subpopulations" also describes allopatric speciation. The process of "diverging subpopulations cannot successfully interbreed" describes both allopatric and sympatric speciation. The process of "occurs through geographic isolation caused by gametic, behavioral, and temporal mechanisms" describes sympatric speciation.

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The correct answer is option (C) thus endosymbiosis is an explanation for the origin of mitochondria.

The term "endosymbiont" refers to the symbiont in endosymbiosis, which occurs when the symbiont resides inside the body of its host. The partnership between Rhizobium and plant legumes is an illustration of endosymbiosis. The endosymbiont that lives inside the roots of legumes is called rhizobium. The main driving force behind eukaryotic cell evolution is endosymbiosis. Recent research on the evolution of algae has revealed that endosymbiosis has taken place multiple times and has produced a variety of eukaryotic cells. Molecular mechanisms for the induction of endosymbiosis between various protists are unknown, despite the significance of this phenomenon.

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The origin of mitochondria can be explained via endosymbiosis, which is option (C) in the correct response.

The symbiont in endosymbiosis, which takes place when the symbiont resides inside the body of its host, is referred to as a "endosymbiont." An example of endosymbiosis is the relationship between Rhizobium and plant legumes. Rhizobium is the name of the endosymbiont that resides inside the roots of legumes. Endosymbiosis is the primary mechanism guiding eukaryotic cell evolution. Endosymbiosis has occurred several times and has resulted in the production of a diversity of eukaryotic cells, according to recent studies on the development of algae. Despite the importance of this phenomena, the molecular mechanisms for the induction of endosymbiosis across different protists are unknown.

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Sympatric speciation differs from allopatric speciation because there are no physical barriers against interbreeding in sympatric speciation.

Sympatric speciation is a process in which a new species arises from a parent species without the geographic isolation of the two groups. The word "sympatry" refers to the fact that these two populations exist in the same geographical area. In other words, they share the same territory. Therefore, sympatric speciation occurs when the two new populations do not have any geographic barriers.

Sympatric speciation differs from allopatric speciation in that no geographic barriers are present in sympatric speciation. Sympatric speciation, unlike allopatric speciation, does not necessitate physical barriers to interbreeding.The formation of new species occurs in a population that shares the same geographical location. In addition, allopatric speciation occurs when two separate populations are geographically isolated from one another. There are a number of factors that might isolate populations, including rivers, mountain ranges, and oceans.

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All - growth, exchange of gases, excretion, reproduction, and death (option d).

All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:

A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.

B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.

C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.

D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.

Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.

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Explanation:

Using mechanical friction when prepping will not aid in: a. Removal of resident bacteria.

Friction is described because the resistance to movement because of sliding, and all equipment devour frictional strength due to the fact their components slide in opposition to one another. Lubrication can manipulate friction in a number of those times however very often, including in engines, maximum mechanical strength is misplaced through shearing liquid lubricant films. In mechanical structures including inner combustion engines, the time period refers back to the electricity misplaced in overcoming the friction among transferring surfaces. Frictional forces, such as the traction needed to walk without slipping, may be beneficial, but they also present a great measure of opposition to motion.

Thus, option a is the correct choice.

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Answer:

i think itz D.)All living things

Explanation:

Acid deposition, also known as acid rain or acid precipitation, refers to the deposition of acidic substances from the atmosphere onto the Earth's surface. It is primarily caused by emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) from human activities, particularly the burning of fossil fuels such as coal and oil in power plants, industrial processes, and vehicle emissions.

The chemical equations involved in acid deposition formation are as follows:

SO2 (sulfur dioxide) + O2 (oxygen) + H2O (water) → H2SO4 (sulfuric acid)

NOx (nitrogen oxides) + OH (hydroxyl radical) → HNO3 (nitric acid)

Acid deposition can occur in two main forms: wet deposition and dry deposition.

The effects of acid deposition can be significant and wide-ranging:

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Based on your question, the process directly affected by changes in the ratio of charged/uncharged tryptophan tRNA is terminator formation in E. coli.

This is because the availability of charged tryptophan tRNA influences the formation of the terminator structure in the mRNA, which in turn regulates the transcription of the trp operon.

When tryptophan levels are low, the terminator structure is not formed, allowing for the expression of genes involved in tryptophan synthesis.

Conversely, when tryptophan levels are high, the terminator structure forms, halting transcription and conserving cellular resources.

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An reflex effect occurs when the muscles in your left arm contract to pull your left hand away from a hot surface

An example of the effect described is a reflex, specifically the withdrawal reflex or the flexor reflex. It is an automatic response that occurs in response to a harmful or painful stimulus, such as touching a hot surface. The sensory receptors in the skin, called nociceptors, detect the painful stimulus and send a signal through sensory neurons to the spinal cord. There, the information is processed and a motor response is generated through motor neurons, which causes the muscles in the affected area to contract and pull away from the stimulus. This reflex action happens quickly and automatically, without conscious thought or decision-making, and is a protective mechanism that helps to prevent further damage to the body

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Answer:

Volume(v)= l×w×h

= 50cm×20cm×12cm

= 12000cm^3

ans.

Explanation:

Translocation is inhibited by compounds that stop production of ATP in the sugar source In very general terms, the pressure flow model works like this: a high concentration of sugar at the source creates a low solute potential (Ψs), which draws water into the phloem from the adjacent xylem.

Answer:

The pressure-flow theory is a model that explains how water and solutes, including glucose, are transported in plants. It states that the movement of water and solutes from the roots to the leaves is driven by a pressure gradient that exists between the roots and the leaves. The pressure gradient is created by the active transport of water from the roots to the xylem tissue, which creates a high pressure in the roots. This high pressure drives the flow of water and solutes from the roots to the leaves, where the pressure is lower. The glucose is transported along with the water in the xylem tissue, so it also moves from the roots to the leaves. This process continues until a balance is reached between the pressure in the roots and the pressure in the leaves, which results in a steady flow of water and solutes in the plant.

Explanation:

ALLEN

Endovascular coiling of the aneurysm is performed on the patient. Four days later, her degree of consciousness abruptly declines and new right-sided hemiparesis is noticed. Repeat CT reveals no changes in sig. The most likely reason for this patient's neurological decline is vasospasm.

When a blood vessel in the brain narrows, it causes vasospasm, which prevents blood flow. It could happen two weeks after a subarachnoid hemorrhage or a brain aneurysm. If you recently experienced a brain aneurysm rupture or subarachnoid hemorrhage, you are more likely to get a cerebral vasospasm.

Fever, stiff neck, minor confusion, speech problems, one-sided paralysis, and severely compromised consciousness are all indications of a cerebral vasospasm.

Vasospasm can occur upon waking from sleep, when experiencing tension or anxiety, or as a result of hyperventilating. Cocaine, amphetamines, anti-migraine medications, and herbal supplements like ephedra or bitter orange are just a few examples of legal and illicit substances that might cause it.

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Answer:

6 months

Explanation:

First, we must remember that doxycline has an effect only on nematodes, but it cannot effectively prevent microfilariae presented before treatment in the blood of the infected. What we can conclude from this is that it is possible that microfilariae grow and develop, however they will not be able to reproduce, since W. bancrofti is completely dependent on Wolbachia for replication. With that, the microfilariae are running out of time and with about 6 months the patients are free of any trace of microfilariae. So we can conclude that 6 months is the longest time that microfilariae survive in circulation.

An increase in the frequency of intermediate phenotypes and a decrease in the frequency of extreme phenotypes favors stabilizing selection. Therefore, the correct statement is option D.

Stabilizing selection is a natural selection favoring intermediate phenotypes over extreme phenotypes. When the environment is stable, individuals with intermediate traits will be more fit than those with extreme traits.

Individuals with intermediate phenotypes have high chances of survival due to stabilizing selection, resulting in an increase in the frequency of intermediate phenotypes and frequency of extreme phenotypes decreases.

Stabilizing selection results in reduction of the genetic variation within a population, as extreme phenotypes are less likely to survive.  The reduction in genetic variation results in more homogeneous population.

Therefore, an increase in the frequency of intermediate phenotypes and a decrease in the frequency of extreme phenotypes is a type of stabilizing selection.

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The correct option is C :  Salicylic acid (SA) is a plant defense hormone that is essential for both local and systemic acquired resistance (SAR).

Systemic acquired resistance (SAR) is a type of induced resistance that occurs throughout a plant following exposure to elicitors from virulent, avirulent, or nonpathogenic microorganisms, as well as artificial chemical stimuli such as chitosan or salicylic acid (SA) 

Plant immune systems rely on their capacity to identify adversary chemicals, transmit signals, and respond defensively via processes involving several genes and their products.

Pathogens aggressively try to dodge and disrupt response pathways, favoring a decentralized, multicomponent immune system.

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The type of solar weather during which we can predict power grid operations on Earth to degrade is Coronal Mass Ejections

Coronal Mass Ejections are what we call the sudden bursts of plasma and charged ions released from the suns solar corona. These CMEs tend to occur during solar flares and release the charged ions into the solar wind.

Despite the presence of all of the options during a solar storm, the correct option is option 3, Coronal Mass Ejections because without the presence of the CME , solar wind and flares are not dangerous to the Earth. The charged ions from the CME collide and warp the Earth's magnetic field, removing it's protection and causing power grid failures and radio communication disruptions throughout the Earth.

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