how is the bacterial core promoter recognized by rnap?

Answer:

A(n) ___________________________ summary is not influenced by personal feelings; it is all based on directly what the passage says.

Question 8 options:

Objective

Subjective

Explanation:

The discovery of the structure of DNA was useful because it revealed how mRNA was used to make proteins. Thus, option A is correct.

DNA is defined as deoxyribonuclic acid and it is a polymer made up of two chains of polynucleotide that arranged in coiled structure to form a double helix structure that is the carrier of genetic information from one generation to another generation which is responsible for performing multiple  activities such as growth, development, functioning and reproduction.

There are four nitrogen bases of DNA nucleotides are such as adenine,thymine, guanine and cytosine. Friedrich miescher discovered DNA in the year of 1860.

The main function of DNA is to carry information from one generation to another generation this is the reason due to which DNA is also known information molecule.

In our body DNA is found in the nucleus of the cell and it is known as nuclear DNA. The shape of DNA is double helical structure. Friedrich miescher was the founder of  DNA in the year of 1860. Siblings share only about 50% of same DNA due to the reason of recombination.

Therefore,The discovery of the structure of DNA was useful because it claims how mRNA was used to make proteins. Thus, option A is correct.

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Answer:

The experiment used water (H2O), methane (CH4), ammonia (NH3), and hydrogen (H2).

Explanation:

The Gram stain is an example of a test that can be used to determine the cell wall characteristics of a bacterium.

The Gram stain differentiates bacteria based on the structure of their cell walls, which can either be Gram-positive or Gram-negative. Gram-positive bacteria have a thick peptidoglycan layer in their cell walls that retains the crystal violet stain used in the test, while Gram-negative bacteria have a thin peptidoglycan layer covered by an outer membrane that prevents the stain from binding.

This distinction has important implications for bacterial physiology and susceptibility to antibiotics, making the Gram stain a valuable tool in clinical microbiology and research.

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The solution that is right is B. Animal had a high metabolic rate and was endothermic.

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A more accurate way to describe tetrapods is as vertebrate animals that possess or descended from ancestors with four limbs or limb-like structures.

While it is true that living whales, as cetaceans, do not have four limbs, they are still classified as tetrapods because they share a common ancestry with animals that possessed four limbs. Tetrapods are a diverse group of animals that includes mammals, reptiles, birds, and amphibians. They are characterized by having a basic body plan consisting of a head, a vertebral column, and four limbs or limb-like appendages. This limb structure typically includes bones, such as humerus, radius, ulna, femur, tibia, and fibula.

The evolutionary history of tetrapods traces back to fish-like ancestors that transitioned from an aquatic environment to land. Through evolutionary processes, these ancestors gradually developed limbs and adapted to terrestrial life. Over millions of years, different lineages within tetrapods underwent various evolutionary changes, leading to modifications in limb structure, limb loss, or the development of specialized appendages.

Living whales, although they have lost their hind limbs and their forelimbs have transformed into flippers, still retain vestigial remnants of their limb structures in the form of small pelvic bones within their bodies. These vestiges serve no functional purpose but are indicative of their tetrapod ancestry.

Therefore, a more accurate way to describe tetrapods is as vertebrate animals that either possess or descended from ancestors with four limbs or limb-like structures, recognizing the diversity of limb adaptations observed across different lineages. This broader definition accommodates the unique evolutionary paths followed by different tetrapod groups, including whales, while still acknowledging their shared ancestry and common tetrapod characteristics.

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Answer:

That the lager frog population is better adapted to survive.

Explanation:

Here is an example: If you have to types of Polar Bears. Type 1 has long fur and type 2 has short fur. Which Polar Bear Type is more likely to survive in the north pole? Type 1, obviosity. The same goes for these frogs. Because one frog population is better adapted to survive than the other, it will allow the population to grow faster than the less adapted frogs.

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Answer:

C

Explanation:

enzymes are catalytic protein that speed up reactions in the body

A generalist specie is more likely to continue to exist in a changing environment, because they may be capable of live in lots of exclusive locations, however additionally they tend to be greater adaptable to disturbances, that means that they are able to without problems adapt to any change of their environment.

A key characteristic of generalist species is that they have got a higher benefit of surviving in habitat this is changing.. they're capable of continue to exist due to the fact they have a massive variety of sources which permits them to conform to a extensive variety of environmental situations and weight-reduction plan as well.

Finally, a generalist education and revel in might also require less time than specialists. that is as it focuses greater on a top level view of different regions and less on in-depth analyses. then again, specialists tend first of all better salaries and are generally enormously sought out inside their domain.

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Answer:

oxygen atom

Explanation:

The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms. When a neutral molecule has a positive area at one end and a negative area at the other, it is a polar molecule.

Answer:

The oxygen

Hydrogen is positive

Explanation:

Answer:

Ósmosis.

Explicación:

La destrucción experimental de proteínas presentes en la membrana plasmática afectará los procesos celulares, como la ósmosis, porque estas proteínas en la membrana plasmática son responsables del intercambio de materiales a través de la célula. Debido a la destrucción de proteínas, no se produjo la difusión de gases y materiales a través de la célula, lo que conduce a la muerte de la célula. La ósmosis es un proceso muy importante que permite a la célula difundir los materiales de desecho fuera de la célula y permite que los gases y la glucosa entren en la célula.

Water from a small stream on a mountain in North Carolina can affect an estuary that is hundreds of miles away so that pollution can accumulate and damage the estuary from the small stream.

The importance of estuaries is very relevant. Estuaries provide food and habitat to a very wide range of living beings with a decisive role in the marine food chain, where we can highlight several species of fish with commercial value.

With this information, we can conclude that water from a small stream on a mountain in North Carolina can affect an estuary that is hundreds of miles away so that pollution can accumulate and damage the estuary from the small stream.

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The boulders, rocks, and pebbles were originally part of the cliff can conclude from this evidence.

A boulder is defined as any rock larger than 16” in diameter. They are available in two basic shapes: round and angular. Round boulders have smooth edges and curves.

Moreover, a boulder is a rock fragment with size greater than 25.6 centimetres (10.1 in) in diameter. Smaller pieces are called cobbles and pebbles.

A boulder is defined as any rock larger than 16” in diameter. They are available in two basic shapes: round and angular.

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The function of the siphon is : D) to expel water quickly, allowing the organism to move rapidly and forcibly move it is a evolutionary remnant of the shell. Therefore, option D is the correct answer

Siphons, also known as syphons, are tubes that are used to transfer liquids from one container to another, with the liquid flowing from a higher elevation to a lower elevation. The siphon in animals such as squids, octopuses, and other mollusks, on the other hand, is a fleshy tube that is used to expel water quickly. As a result, it is an important part of the animal's respiratory system, but it also serves other purposes, such as allowing for rapid movement.

Therefore, option D is the correct answer. A siphon is an evolutionary remnant of the shell. The siphon was used to pump water in and out of the animal's shell, enabling it to move around. However, as mollusks progressed, many of them abandoned their shells and began to rely on siphons to breathe and move. Despite this, the siphon still serves a similar purpose as it did when it was used for pumping water in and out of a shell, despite the fact that it is now used for respiration.

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Legumes influence plant growth by fixing atmospheric nitrogen, improving soil fertility, and enhancing nutrient uptake. Legume-wheat intercropping can enhance wheat yield and nutrient content.

Legumes possess several properties that can influence the growth of plants around them. One key attribute is their ability to fix atmospheric nitrogen through a symbiotic relationship with nitrogen-fixing bacteria in their root nodules. This nitrogen fixation leads to an increased availability of nitrogen in the soil, which can benefit neighboring plants by enhancing their nutrient uptake and promoting overall growth.

Legumes have deep root systems that improve soil structure, increase water infiltration, and enhance nutrient cycling. These traits contribute to improved soil fertility and moisture retention, benefiting neighboring plants. As for the beneficial growth effects of legumes on wheat plants, studies have demonstrated that intercropping legumes with wheat can enhance wheat yield and nutrient content. Legumes provide nitrogen to wheat, improving its growth, yield, and protein content, making them mutually beneficial when grown together.

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Answer:

solar energy, wind energy, hydropower, geothermal energy, and biomass energy. These types of energy sources are different from fossil fuels, such as coal, oil, and natural gas.

A water fall can be used as a source of renewable energy.

It is obtained from sources that can be replenished. They can not be depleted with use.

Renewable energy includes solar energy, geothermal energy, wind energy, etc.

It can be used to generate hydroelectricity.

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b)ATP is the important energy storing molecule produced in cellular repiration

a)ATP stores and releases energy

Answer:

I believe the answer is D

The closure of a plant's stomata will retain water when the plant becomes dehydrated and wilts.

Two guard cells surround each stoma, a small pore or hole, and they expand and contract to close and open the stoma. The carbon dioxide content and the plant's water balance act as two controls on the opening and shutting of the stomata.

Guard cells inflate and bend as a result of water entering them through osmotic movement. The holes are opened by the guard cells expanding. Through open stomata, the plant absorbs carbon dioxide for use in photosynthesis. Through open stomata, oxygen and water vapor are also expelled back into the atmosphere.

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17. The effect sizes for SNPs linked to performance on IQ tests are indeed very small.

18. This statement is false, Diseases like type II diabetes and lung cancer are complex diseases that are likely caused by mutations in multiple genes.

19. This statement "SNPs that are associated with disease using GWAS design should be considered for further molecular functional studies" is true.

17. The effect sizes for SNPs linked to performance on IQ tests are indeed very small. These tiny effect sizes mean that each SNP makes only a minuscule contribution to overall IQ performance. Since IQ is a complex trait that depends on the interaction of many genes and environmental factors, engineering humans with super high IQ through genetic manipulation would require changing many SNPs. Even if we could identify all the SNPs that contribute to high IQ and manipulate them all, the effect size of each individual SNP would be so small that the increase in IQ would likely be minimal. Additionally, manipulating multiple genes could have unforeseen consequences, and we cannot predict how the various genes would interact with each other.

18. False. Diseases like type II diabetes and lung cancer are complex diseases that are likely caused by mutations in multiple genes. While some single gene mutations can increase the risk of these diseases, they are not the sole cause of the disease. In many cases, environmental factors such as diet, smoking, and physical activity play a significant role in the development of these diseases. Therefore, it is important to take a holistic approach to studying and treating complex diseases like diabetes and cancer.

19. True. SNPs that are associated with disease using GWAS design should be considered for further molecular functional studies. These studies can help us understand the biological mechanisms underlying the association between SNPs and disease, which could lead to the development of new treatments or prevention strategies. However, it is important to remember that GWAS studies only identify associations between SNPs and disease, not causation. Therefore, functional studies are necessary to establish a causal relationship between SNPs and disease.

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The circulatory system, also known as the cardiovascular system, is responsible for carrying lipids from the gastrointestinal tract to the blood. The final answer is (b).

The lymphatic system eventually merges with the bloodstream, and the lipids are then carried through the circulatory system, specifically the blood vessels, to various tissues and organs throughout the body.

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Answer:

In the case of a Tasmanian devil, the tumor cells may be ignored by the immune system because they do not have foreign antigens on their surface that are recognized as a threat. Without these foreign antigens, the immune system does not produce antibodies to attack the tumor cells. As a result, the tumor cells are not recognized as a threat and are allowed to grow and multiply without being attacked by the immune system.

It is also possible that the tumor cells in a Tasmanian devil may produce their antigens that mimic the antigens found on normal cells in the body. If this occurs, the immune system may recognize the tumor cells as normal and not produce antibodies to attack them.

Overall, the immune system's ability to recognize and attack foreign substances is a crucial part of its function. However, in some cases, the immune system may not recognize certain cells as a threat, leading to the growth and proliferation of abnormal cells such as tumor cells.

Answer:

B. water is the main ingredient in every cell

Answer:

Parameter

Explanation:

Every Characteristic a population has is called a Parameter

Answer:

A) multiple organisms of the same species.

Explanation:

Answer:

A (multiple organisms of the same species.)

Explanation: hope this helps sorry if i'm wrong

For nutrients like nitrogen or phosphorus are frequently a source of restriction for photosynthetic organisms (like kelp or phytoplankton).

While phosphorus (P) limitation typically occurs in tropical locations, nitrogen (N) is generally regarded as the primary limiting component in temperate regions. However, nutrient limitation in subtropical regions is little known.

Nitrogen (N), phosphorus (P), and potassium are the three main limiting nutrients in crop yield (K). These three nutrients are frequently added as parts of commercial fertiliser or manure to agricultural areas. You need to understand that the three limiting parameters for photosynthesis are light intensity, CO2 concentration, and temperature. Although a scarcity of water can slow down photosynthesis, other plant functions are typically affected before photosynthesis

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Answer:

C.

Explanation:

Answer:

monocot, dicot, dicot, monocot.

Answer: genotype: All Rr

Phenotypes: all red

Explanation: