Humans increase carbon dioxide (CO2) in the atmosphere, and contribute to the carbon cycle by

Answer:

It would be negative feedback.

Explanation:

The reason negative feedback is the type of feedback mechanism that helps you regulate your body temperature is because it reduces excessive responses and keeps a variable within the normal range.

Answer:

I think answer choice D

Explanation:

The passage summarized says that ostriches and rheas look exactly the same but are different sizes, therefore answer choice D is auto eliminated

Some substrates found in ice cream can also be found in other food items. Ice cream commonly contains substrates such as milk, sugar, cream, and stabilizers, which are also present in various other food products.

Ice cream is primarily made from milk, cream, sugar, and stabilizers. Milk and cream serve as the base ingredients, providing the creamy texture and flavor. Sugar is added for sweetness, while stabilizers like guar gum or carrageenan are used to improve texture, prevent ice crystal formation, and enhance the overall quality of the ice cream. These substrates are not exclusive to ice cream but can be found in other food items as well. Milk and cream are widely used in dairy products such as yogurt, cheese, and butter. Sugar is a common ingredient in numerous sweet treats, including cakes, cookies, and candies. Stabilizers like guar gum and carrageenan are utilized in a variety of processed foods and beverages as thickening agents or emulsifiers. While the specific formulations and proportions may vary, the presence of these substrates in ice cream reflects their broader applications in the food industry.

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Answer:

lipids

Explanation:

Answer:

lipids

Explanation:

macromolecules are large molecules that are formed by the joining of smaller units. Lipids fit that description, but they aren't polymers because they are made up of smaller units of different kinds (like glycerol and fatty acids) rather than monomers that repeat themselves

The element that is a component of hemoglobin, myoglobin, and cytochromes is iron.

Iron is a crucial mineral for the human body, and it is essential for several physiological processes, including oxygen transport, energy production, and DNA synthesis. Hemoglobin is a protein found in red blood cells that binds to oxygen in the lungs and transports it to the body's tissues. Hemoglobin contains four heme groups, each of which contains an iron ion that can bind to an oxygen molecule.

Myoglobin is a similar protein found in muscle cells that also binds to oxygen and facilitates its delivery to muscle tissues. Cytochromes are proteins found in the mitochondria, which are the energy-producing organelles in the cell. Cytochromes contain heme groups with iron ions that play a critical role in the electron transport chain, which is a series of chemical reactions that generate ATP, the body's primary energy source.

Iron is also important for several other physiological processes, including immune function, neurotransmitter synthesis, and the production of collagen and other connective tissues. Iron deficiency can lead to anemia, fatigue, weakness, and other health problems, while excessive iron intake can be toxic and cause liver damage, heart disease, and other health problems.

In conclusion, iron is an essential component of several important proteins in the body, including hemoglobin, myoglobin, and cytochromes. These proteins play crucial roles in oxygen transport, energy production, and other physiological processes, highlighting the importance of maintaining adequate iron intake for optimal health.

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A species is a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring—but do not produce viable, fertile offspring with members of other such groups. Reproductive compatibility unites members of a biological species.

A biological species is a group of related organisms capable of interbreeding and producing fertile offspring under natural conditions, but incapable of interbreeding with other organisms outside the group. The primary criterion for determining whether two or more groups of organisms are separate species is reproductive isolation, or the inability of members of one group to interbreed successfully with members of the other group.

The primary mechanism for speciation is the development of reproductive barriers between previously interbreeding populations. These barriers can be prezygotic, which prevent mating or fertilization, or postzygotic, which result in hybrid sterility or death.Reproductive compatibility, which is the ability of two individuals to produce viable and fertile offspring, unites members of a biological species. This means that reproductive compatibility is a defining characteristic of a biological species, as it is what sets them apart from other groups of organisms. It is the basis for the reproductive isolation that separates members of different species, and it is the mechanism by which new species arise over time.

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Answer:

b. eukaryotic

Explanation:

During this time period, the correct answer is (B) 0.2 g g-1day-1 rgr.

r = ln(W2) - ln(W1) / t2 - t1

r = ln(20.08) - ln(2.718) / 20 - 10

r = 0.2 g/g*day

Relative growth rate (RGR) is growth rate relative to size - that is, a rate of growth per unit time expressed as a percentage of its current size. It is also known as the continuous growth rate or the exponential growth rate.

The rate of accumulation of new dry mass per unit of existing dry mass, or relative growth rate (RGR), is a major determinant of plant competitiveness.

RGR is an indirect measure of the rate at which resources are acquired, and numerous studies have found that increasing crop RGR increases weed suppression (Didon, 2002). The faster an individual accumulates biomass, the more carbon is available to stimulate root and shoot growth for better access to light and soil nutrients, allowing for greater biomass accumulation.

Because annual weeds typically have high RGR, particularly at the seedling stage (Berger et al., 2007), increasing crop RGR can have a significant impact on resource capture and weed competitiveness.

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Question Complete;-

The biomass of your sunflower was 2.718g at day 10 and 20.08g at day 20 after emergence. What is the RGR during this period?

A. 0.1 g g-1day-1

B. 0.2 g g-1day-1

C. 0.5 g g-1day-1

D. 1.0 g g-1day

Features that arose earlier in evolutionary time can be expected to be shared by more taxa.

Evolutionary history of species can be traced back to a common ancestor, and traits that were present in the ancestor can be inherited by their descendants. As species diverge and evolve, some traits are retained while others are lost. Traits that arose earlier in evolutionary time have had more time to be inherited and shared by more species, leading to a wider distribution of those traits across different taxa.

For example, the presence of limbs in vertebrates can be traced back to a common ancestor, and is therefore shared by a wide range of species, including mammals, birds, reptiles, and amphibians. In contrast, traits that arose more recently in evolutionary time, such as the ability to echolocate in bats, will be shared by fewer taxa because they have had less time to be inherited and become widespread.

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The life-cycle theory of consumption can be summarized as follows: people want instant gratification and seldom worry about the future. The correct option is (B).

This statement is incorrect. The life-cycle theory of consumption actually suggests the opposite. According to this theory, individuals adjust their consumption patterns over their lifetime to ensure a smooth and consistent level of consumption.

It recognizes that individuals have different income and expenditure patterns at different stages of their life.

The theory posits that individuals tend to save and accumulate wealth during their working years when their income is higher.

This allows them to maintain their consumption levels during retirement when their income typically decreases. Retired people are expected to draw from their accumulated savings to support their consumption needs.

In contrast, working individuals often have higher consumption needs due to various factors such as raising a family, paying off debts, and investing in education or housing.

They may have less disposable income available for saving during this phase of their life.

Therefore, the life-cycle theory of consumption suggests that retired people need to draw on their savings accumulated during their working years to support their consumption, and it emphasizes the importance of long-term financial planning and saving.

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Answer:

Glucose becomes fructose. ATP is made during the second half of glycolysis .  ;)

Explanation:

An investigator wants to test for the presence of simple sugars in a sample. She adds reagents to her sample and also to a sample of distilled water.  She should use Benedict's reagent.

What do you mean by Benedict reagent?

Benedict's reagent (also known as Benedict's qualitative solution or Benedict's solution) is a chemical reagent and complex mixture of sodium carbonate, sodium citrate, and copper(II) sulfate pentahydrate.

It is frequently used in place of Fehling's solution to detect the presence of reducing sugars. The presence of other reducing substances also yields a positive result. Benedict's tests are those that use this reagent. A positive Benedict's reagent test results in a color change from clear blue to brick-red with a precipitate.

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There are different types of waste such as carbon dioxide and that must be removed. If they are allowed to accumulate they can and will cause poisoning which slows down vital chemical reactions. When excretory organs such as your kidney's are damaged, the organism quickly displays symptoms of poisoning and death is rapid unless treated immediately.

Answer:

C. Nina makes 20x dollars at her first job each week.

Explanation:

IV. More methylation in the promoter region and less acetylation on the histone proteins both lead to tighter interaction between DNA and histone proteins, making the gene more difficult to be expressed.

On the other hand, no or less methylation in the promoter region and more acetylation on the histone proteins loosen the interaction and make the gene more accessible for transcription.

However, the question specifically asks for the reaction that modifies DNA, and methylation and acetylation are both modifications of histone proteins, not DNA itself. Transcription is not a modification of DNA, it is the process of converting DNA into RNA.

                                      Therefore, the correct answer is IV, more acetylation on the histone proteins to loosen the interaction between the DNA and histone proteins.

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Explanation:

OA. The water that covers over 70% of the Earth's surface stabilizes the weather and climate of the Earth.

Water's high specific heat helps to regulate the temperature of the Earth's oceans, which in turn affects the temperature and climate of the planet. This is because water can absorb a large amount of heat without a significant increase in temperature, and it can release that heat slowly over time. As a result, the Earth's oceans act as a "heat sink," absorbing excess heat from the atmosphere during warm periods and releasing heat during cold periods. This helps to stabilize the temperature of the planet and makes it more hospitable for life.

Explanation:

no the trait no 21 control all

A tight junction is an attachment between two epithelial cells that is largely impenetrable and is made of membrane proteins that interlock somewhat like a zipper.

Tight connections are found in the epithelia of our bodies. The word epithelium is pluralized as epithelia. The term "epithelium" describes the coating that covers both the internal and external surfaces of the body. This comprises cavities, blood vessels, and organs like the skin.

Epithelial cells are those that cover the inside and outside of your body's surfaces. Your urinary tract, skin, blood vessels, and other organs are all impacted.

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Clinical interfere in protein synthesis might be used to know the mechanism of action of antibiotics

Protein synthesis(translation) is the production of a polymer of a chain of amino acids which produces a functioning protein. It involves reading the information from mRNA (messenger RNA) to put together a chain of amino acids. Ribosomes are the structures that synthesize the protein chain.

Antibiotics are used to treat or prevent some types of bacterial infection. They kill bacteria or prevent them from reproducing and spreading. Antibiotics aren't effective against viral infections. This includes the common cold, flu, most coughs and sore throats.

Antibiotics are only needed for treating certain infections caused by bacteria, but even some bacterial infections get better without antibiotics. We rely on antibiotics to treat serious, life-threatening conditions such as pneumonia and sepsis, the body's extreme response to an infection.

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Answer:

See the answer below

Explanation:

The best explanation would be that both Na and the amino acid lycine are simultaneously diffusing (in bound form) from the outside to the inside of the cell.  

Considering the Na alone, one would see that the concentration outside the cell decreased in equal amount (15 mM) as the increase in the intracellular concentration of the same molecule.

Also considering the amino acid alone, the extracellular concentration increased by the same magnitude (5 mM) as the decrease in the intracellular concentration of the same molecule.

Hence, it could only be that both molecules bind together and diffused from the region of higher concentration (outside of the cell) to the region of lower concentration (inside).

The cell membrane will allow carbon dioxide to pass out of the cell by diffusion and is denoted as option D.

This is the process in which molecules move from a region of high concentration to that of a lower concentration.

The cell membrane in plants allow for the passage of molecules such as oxygen and carbon dioxide and down their concentration gradient, by simple diffusion.

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Answer:

Your answer is light microscope.

Explanation:

A light microscope uses focused light and lenses to magnify a cell. Think of this like a telescope. Instead of the object being very large or far away, it is very small and very close to the lens. Hope this helped :)

An instrument that produces images by focusing light rays is called a lens. Lenses are made of transparent materials, such as glass or plastic.

They have two curved surfaces, which refract, or bend, light rays. The amount of refraction depends on the curvature of the surfaces.

There are two main types of lenses: convex lenses and concave lenses. Convex lenses are thicker in the middle than at the edges. They bend light rays towards the center, which makes objects appear larger.

Concave lenses are thinner in the middle than at the edges. They bend light rays away from the center, which makes objects appear smaller.

Lenses are used in a variety of instruments, including microscopes, telescopes, and cameras. They are also used in eyeglasses and contact lenses to correct vision problems.

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Answer:

The role of enzymes is that enzymes are vital for life

Explanation:

Enzymes are vital because they are proteins that make the body work faster such as digestion and metabolism.

Enzymes are proteins that serve as biological catalysts by speeding up chemical processes. The enzyme is not destroyed during the reaction and is reused.

Enzymes help with the chemical reactions that keep a person alive and well. Many key functions in the body are supported by enzymes. Here are a few examples:

Enzymes also aid in the following activities:

Hence, enzyme plays a vital role in functioning of the body.


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Answer:

true

Explanation:

because anti viral drugs stop the maturiy of the virus spreading faster so they supress it

When the Once-ler first arrived in his wagon, the town looks like very large surrounded by trees called Truffula trees.

A Town looks like very huge with an enormous number of trees. Bears are randomly walking around the trees and eating truffula fruits.

Fishes were lived in a pond, a place called glorious where swamee swans were found.

Therefore, when the Once-ler first arrived in his wagon, the town looks like very large surrounded by trees called Truffula trees.

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The following segment of mRNA is incorrect because it contains t rather than u. The amino acids methionine-lysine-leucine-arginine-arginine-methionine-methionine are coded for by this mRNA sequence.

During transcription, an enzyme known as RNA polymerase II catalyzes the synthesis of a pre-mRNA molecule, which is later processed to become mature mRNA. The DNA of a gene acts as a template for complementary base-pairing.

The Johnson & Johnson vaccination does not use messenger RNA (mRNA) to assist the body in developing its defenses against the virus, in contrast to the Pfizer-BioNTech and Moderna vaccines. It is an and enovector vaccine instead.

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Answer:

Explanation:The change in glucose concentration from point P to point R can be explained by the process of diffusion. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.

At point P, the concentration of glucose in the blood is 0.1 percent. This means that there is a higher concentration of glucose in the blood compared to the surrounding fluid. Due to the concentration gradient, glucose molecules will tend to move from the blood to the surrounding fluid through diffusion. As a result, glucose molecules will diffuse from point P towards point R.

As the glucose molecules move from point P towards point R, they will continue to spread out and mix with the surrounding fluid. At point Q, which is between P and R, the concentration of glucose in the fluid will increase due to the diffusion of glucose from the blood. However, the concentration at point Q will still be lower than the initial concentration at point P.

As the glucose molecules continue to diffuse towards point R, the concentration gradient decreases. Eventually, at point R, the concentration of glucose in the fluid is 0.0 percent. This means that all the glucose molecules have diffused from the blood and mixed with the fluid, resulting in an equal concentration of glucose in the blood and the fluid at point R.

In summary, the change in glucose concentration from point P to point R is due to the process of diffusion, where glucose molecules move from an area of higher concentration (point P) to an area of lower concentration (point R) until equilibrium is reached.

Answer:

The tides are caused by the rotation and the positioning of the moon relative to the Earth.  The moon exerts a gravitational pull that is felt the strongest on the closest point of the Earth to the moon and the furthest.

Explanation:

The likelihood that daughters will carry the gene and be able to pass it on to the following generation is 50%. A daughter has a 50% probability of not having the gene and so not being able to pass it on. Option (2)

Sons who are healthy and lack the gene have a 50% chance of doing so. On the other hand, there is a 50% probability that a boy will have the gene and manifest the characteristic or condition. Inheritance of a trait or condition is said to be X-linked if the gene responsible for it is found on the X chromosome. Men have one X and one Y chromosome, while women have two X chromosomes. Genes on the X chromosome can be dominant or recessive.

Their expression differs in males and females. Only when the gene is present in two copies in females do X-linked recessive genes express themselves (one on each X chromosome). However, for an X-linked recessive trait or condition to manifest in males, just one copy of the gene is required. For instance, a mother may unintentionally possess a recessive gene on one of her X chromosomes and convey it to her son.

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Correct Question:

A mother has red-green colorblindness, so both of her x chromosomes carry the x-linked disorder. her husband does not have red-green colorblindness. if the couple has a son, what are the chances that he is colorblind? set up a punnet square to answer the question.

1. 0%

2. 50%

3. 100%

4. 25%