Upon chemical analysis, a particular polypeptide was found to contain 100 amino acids. how many peptide bonds are present in this protein?

Answer:

In order, from least complex to most complex:

cells.

tissues.

organs.

organ systems.

organism.

Explanation:

Answer:

1.species

2.extinct

3.survive

4.basic

5.compete

6.variations

7.exactly

1a.orgsnisms

2a.enviroment

3a.natural selection

Answer:

Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Explanation:

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In angiosperms, the process of seed growth begins with double fertilization and concerns the fusion of the egg and sperm nuclei into a zygote. The second part of this process is the fusion of the polar nuclei with a second sperm cell nucleus, thus forming a primary endosperm.

When pollen anchors on the flower's stigma, it grows and develops a pollen tube, which then fast grows towards the plant's ovary. Once it sees an ovule, the pollen tube explosions to release sperm cells, which fertilize the ovule and start seed formation

Thus,  double fertilization is part of seed development.

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Answer: The correct answer is D. Organisms use DNA to replicate, and they have RNA to store the genetic information.

Explanation:

This is because DNA serves as the primary genetic material that stores the instructions for the development, growth, and function of all living organisms.

The process of transcription involves the transfer of genetic information from DNA to RNA, and it occurs in all organisms as a fundamental step in gene expression. The RNA molecules then serve as templates for the synthesis of proteins or perform various other functions, such as regulating gene expression, processing genetic information, and catalyzing biochemical reactions. Despite their diverse evolutionary histories and differences in genetic code, all living organisms share this core process of gene expression, which is essential for life.

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Answer:

parietal lobe

Explanation:

Answer:

these differentiate as a result of signaling mechanisms. ... The daughter cells divides and after each division it becomes more specialized. When it reaches a mature cell type downstream (for example, becomes a red blood cell) it will no longer divide.

Answer:

stem cells are called upon to generate a particular type of cell, they undergo asymmetric cell division.

Explanation:

with asymmetric division, each of the two resulting daughter cells has it's own unique life course

Answer:

Dark matter does not emit electromagnetic radiation.

Explanation:

Dark matter comparative to dark energy, has various differences. You could say that dark energy is put into action on a larger scale than dark matter, which is also why dark energy makes up 74 percent of the universe. Thus, dark matter ≠ dark energy.

Scientists have a lot to learn about dark matter, so we can't claim that this subject has been well understood about scientists. In fact, it is one of the least understood parts of the universe!

_______________________________________________________

Now dark matter can be defined as particles that do not absorb, reflect, or emit light. Thus, it can't be observed by electromagnetic radiation - nor shifts in red and blue light. At the same time it does not emit electromagnetic radiation.

Answer:

dark matter does not emit electromagnetic radiation.

Explanation:

An index fossil will be more useful in dating the rock than ancient relative because carbon dating can be performed using the fossil which will give more accurate details rather than the relative dating performed using ancient relative.

Index fossil is any preserved remains of the plant or animal that is particularly useful for the dating purposes. It is useful for determining the geological periods. Most of the rocks that contain the index fossil are found in marine environment.

Carbon dating is the process of determining the age of ancient objects or fossils. In this the amount of radioactive carbon is measured as the rest forms of carbons stop being absorbed but radioactive carbon continues to decay even after an organism dies.

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Enzyme speed up chemical reactions in biology systems. Enzymes have active site that attract and bind specific substrates to produce products while all enzymes are proteins not all proteins are enzymes.

Enzymes are biochemical and organic substances which helps to speed up the rate of chemical reactions in a given system. However, these enzymes are highly specific when it comes to the substrates the bind with. In addition to that, the region through which enzymes binds substrates is known as active sites.

In conclusion, it can therefore be deduced from the explanation given above that biological enzymes are proteins in nature.

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Answer:

Naturally occurring events can disrupt the cycling of essential building blocks such as carbon, nitrogen, and oxygen in a number of ways. For example, floods, fires, and other natural disasters can cause the release of large amounts of these elements into the atmosphere or into bodies of water, where they can be carried away and not returned to the original ecosystem. Additionally, changes in climate can cause changes in the availability of certain elements, leading to disruptions in the cycling of these elements. Finally, changes in land use can cause soil erosion, which can also disrupt the cycling of essential building blocks.

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Events such as wildfires, volcanic eruptions, and climate change can disrupt the cycles of carbon, nitrogen, and oxygen. Wildfires release carbon into the atmosphere, volcanic eruptions can alter the nitrogen cycle, and climate change affects the balance of gases, including oxygen.

Naturally occurring events, such as wildfires, volcanic eruptions, and climate change, can disrupt the cycling of essential building blocks. For example, wildfires release a large amount of carbon into the atmosphere, disrupting the carbon cycle. Volcanic eruptions can release nitrogen and sulfur compounds which can alter the nitrogen cycle. Similarly, climate change, caused due to anthropogenic activities, can change the balance of gases in the atmosphere, thereby affecting the oxygen cycle.

Take a forest ecosystem for instance. In a normal scenario, the forest acts as a carbon sink, absorbing carbon dioxide from the atmosphere and storing it in the form of biomass. However, in the event of a wildfire, the same forest can turn into a carbon source, releasing stored carbon back into the atmosphere.

Volcanic eruptions, by releasing nitrogen and sulfur-based compounds, can result in acid rain. This acid rain can alter soil composition, affecting its ability to cycle and fix nitrogen thereby impacting plant growth and health. Besides, climate change induced by the increase in greenhouse gases can disrupt the balance of oxygen in the seawater affecting marine life's oxygen intake, disrupting the oxygen cycle subtly.

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Meiosis and mitosis are similar because they both have prophase and an anaphase. Thus, option A is correct.

Meiosis is a reductional type of cell division in which half amount of genetic material is received by each daughter cells as parent cell. It is special type of cell division in which sexually reproducing organisms in which germ cells that are sperm or egg cells are produced.

Mitosis in contrast is somatic cell division in which each daughter cell receive the same number of chromosomes and which are similar to parent.

But, both the meiosis and mitosis processes occur during M phase of cell cycle. In prophase of both, condensing of chromosomes and separation of centrioles occur. So, in both the processes have similar steps called prophase and anaphase. Therefore, option A is correct.  

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Answer:

antibodies are produced in response to infection and that these antibodies are designed to specifically target particular antigens and bind tightly to them.

The aorta contains specialized sensory nerve endings that respond to stretch of the vessel wall. These pressure-sensitive structures are called baroreceptors. Baroreceptors are sensory receptors found in the walls of blood vessels, including the aorta and carotid sinus.

They respond to changes in blood pressure by sending signals to the brain. When blood pressure increases, baroreceptors in the aortic arch and carotid sinus are stimulated. This sends a signal to the brain, which then reduces heart rate and blood pressure. Baroreceptors are responsible for maintaining a constant blood pressure in the body.

They help to regulate the amount of blood flowing through the body, and they are essential for normal cardiovascular function. When blood pressure falls, baroreceptors are stimulated to increase heart rate and blood pressure to maintain normal blood flow. Similarly, when blood pressure rises, baroreceptors are stimulated to decrease heart rate and blood pressure to prevent damage to the vessels.

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Positive feedback control of the hemostatic response is achieved by the conversion of prothrombin to thrombin by the intrinsic pathway.

Positive feedback control of the hemostatic response is achieved by the conversion of prothrombin to thrombin by the intrinsic pathway. This pathway is activated when blood comes into contact with an artificial or exposed surface, such as collagen in the extracellular matrix, due to the absence of the endothelium.The coagulation cascade is activated by the intrinsic pathway, which activates the conversion of factor X to Xa. The intrinsic pathway culminates in the conversion of prothrombin to thrombin by factor Xa.

Thrombin activates factor V to form Va and converts fibrinogen into fibrin by cleaving the fibrinogen molecule to form fibrin monomers. The fibrin monomers polymerize to form a fibrin clot, which stabilizes the platelet plug formed in the primary hemostatic response.Positive feedback control maintains the hemostatic response by increasing the levels of thrombin and fibrin at the site of injury. Thrombin activates factor V and converts fibrinogen into fibrin, both of which contribute to the formation of a stable blood clot. The clotting cascade terminates once the clot has been formed, as the clotting factors are consumed by the reaction.

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Answer:

Water table aquifer. The Ogallala Aquifer (oh-guh-LAH-lah) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States

Explanation:

Answer:

Explanation:

The Ogallala Aquifer (oh-guh-LAH-lah) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States.

The evolution of the catabolite repression system in E. coli likely provided an advantage by allowing the bacteria to prioritize the use of glucose, a more efficient energy source, before switching to less efficient sources such as lactose.

The evolution of the catabolite repression system in E. coli provides an advantage in terms of energy efficiency.

Glucose is a preferred carbon source for bacteria because it can be easily metabolized into energy through glycolysis.

However, other carbon sources like lactose are more difficult to break down and utilize. If both glucose and lactose are present, E. coli will first use glucose and then switch to lactose metabolism.

This allows the bacteria to conserve energy and avoid wasting resources on the more complex lactose metabolism until glucose is depleted.

The catabolite repression system ensures that lactose metabolism is repressed when glucose is present, and only switches on when glucose is depleted.

This evolutionary advantage provides E. coli with the ability to adapt to changes in the availability of carbon sources in its environment, allowing for more efficient use of available resources.

Overall, the catabolite repression system allows for energy conservation and efficient resource allocation, providing an advantage for survival and growth in diverse environments.

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Answer:

Tt, Tt, tt, tt.

Phenotype: two tall and two dwarfs

Explanation:

The F1 generation will be the crossing of True tall and true dwarf plants to give all tall plants. Kindly note that the genotype for true tall plants is represented by TT, and the genotype for true dwarf plants is represented by tt. The crossing of the two true tall and true short gives Tt, Tt, Tt, Tt; in which the phenotype = all the plants are tall.

If the F1 generation is crossed with the true dwarf plants that is; Tt with tt. It gives us:

T t                          t t.

Tt, Tt, tt, tt. So, the phenotype is two tall and two dwarfs and the genotype is 2 of Tt and 2 of tt.

Answer: Illegal immigration can be defined as the migration of the people into another country by violating the immigration laws of the country being visited.

Explanation:

The three ways in which the country can address or improve the problem of illegal immigration are as follows:

1. The country can impose strict immigration laws on people who are native of other countries.

2. The country can prohibit schooling and education of children belonging to unauthorized citizenship.

3. The country can also prohibit the food availability and driving licences of the people belonging to the other country with unauthorized citizenship.

Answer:

No Idea

Explanation: I don't have an answer but I just want to say, Thanks Surnia. :) This really helped me. I was about to give up.

Answer:

They are Heterotroph as they cant make their own food and have feed of dead things of decomposing.

The substances is a weak base is baking soda (9) (Option A).

A weak base is a substance that has a pH value higher than 7 but less than 10. Baking soda (9) is a weak base, and the pH of baking soda is around 9.0. Baking soda is a bicarbonate that is derived from soda ash and is used as a leavening agent in baked goods.

Bleach has a pH of 12.6, which means it is a strong base or alkali. Soda has a pH of 4, which indicates that it is an acidic substance and has a low pH.Lemon juice has a pH of 2, which means it is a strong acid. Blood has a pH of 7.3, which is neutral. The pH of blood is typically around 7.35 to 7.45. The blood's pH value is regulated by the respiratory system and the kidneys, and it is critical for maintaining homeostasis in the body.

Therefore, the correct answer is Option A, Baking soda.

Your question is incomplete, but most probably your question was

The scale below shows the pH levels of various liquids.

Which of the following substances is a weak acid? Choose 1 answer:

A. Baking soda

B. Bleach

C. Lemon juice

D. Soda

Thus, the correct option is A.

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The process is happening when we drop a human cell into pure water in a petri dish, water molecules will pass into the cell membrane is osmosis.

Osmosis is the spontаneous net movement or diffusion of solvent molecules through а selectively permeаble membrаne, in the direction thаt tends to bаlаnce the solute concentrаtions on the two sides, from а region of high wаter potentiаl (region of lower solute concentrаtion) to а region of low wаter potentiаl (region of higher solute concentrаtion).

In the case above, a human cell isа region of high wаter potentiаl and pure water is а region of low wаter potentiаl. It makes water molecules will pass into the cell membrane, causing the cell to swell or sometimes even burst if it has no active mechanism to expel the water.

Your question is incomplete, but most probably your full options were

a. metabolism

b. diffusion

c. osmosis

d. cellular respiration

Thus, the correct option is D.

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Genetically modifying human C. gametic cells may directly affect future generations.

Genetically modifying gametic cells (sperm or egg cells) can result in changes that are passed down to future generations. This is different from somatic cells (cells that make up our organs and tissues) which do not pass on genetic modifications. Intestinal and immune cells are both types of somatic cells and are not involved in passing on genetic information to offspring.

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Answer:

The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. Oxygen breathed in from the air passes through the alveoli and into the blood and travels to the tissues throughout the body.

Explanation:

Answer:

Functions are:

It moves air in and out of your lungs

It pumps blood through your lungs

It exchange oxygen to carbon dioxide

Mendel made the conclusion from his observations on the garden pea plant that for each and every trait in a population, a pair of alleles are present i.e., dominant and recessive allele. Thus, the correct option is B.

Mendel did his experiments on the garden pea plant (pisum sativum) in which he found that for all the characters two different alleles are present in a population in which one allele is dominant on the other which is recessive. The dominant allele is represented by capital letter and is present in all the generations whereas the recessive allele is represented by small letter and often skips the generation.

Thus, by compiling the results of pea plants, Mendel concluded that the characteristics could be divided into two forms- expressed and latent traits. He called these traits as dominant and recessive traits, respectively.

Therefore, the correct option is B.

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Your question is incomplete, most probably the complete question is:

Which of the following conclusions did Mendel form as a result of his observations?

A. Incomplete dominance

B. Dominant and recessive alleles are present for each trait

C. masking of effects of gene

D. DNA as the genetic material

The parts of the male structure of  flower have three parts stamen ,sepals and petals. Flowers are two types male flower and female flower . Two categories of flowers differ by bisexual (male flower + female flower) and asexual (male flower/female flower).

Male flower reproductive part is called stamen. Stamen having two parts anthor lobe (which is in the shape oval at the top) and filament (which supports anthor lobe having shape thin cylinder shape). Anther lobe having two pollen which is filled with pollen grains.  Sepals are outer part of the flower which supports the flower and petals are protect  reproductive parts of flower which is  spectacular  color.

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Potometer is the apparatus which was used to investigate how temperature affects transpiration rate.

This is also referred to as transpirometer and it measures the level of water uptake in a leafy shoot.

Increase in temperature will lead to transpiration which can be detected by using the potometer to measure the water level.

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1. One or more base pairs are accidentally inserted into a DNA sequence during DNA replication.

2. A DNA sequence is used as a template to form an altered protein product.

3. A new or different trait is expressed in an organism, which could be beneficial, harmful, or neutral.

The sequence of events here refers to mutation.

Answer:

tendons

Explanation: