Multiple choice question, someone please answer

Answer:

the answer is a.animalia

Answer:

Average speed is distance divided by time. Velocity is speed in a given direction. Acceleration is change in velocity divided by time.

Answer:

Explanation:21 amino acids

Thus, protein synthesis relies universally on 61 sense codons that encode 21 amino acids — including the nonstandard amino acid selenocysteine [2] — and three termination codons.

The study of the gene is called genetics. Genes are always present in pair form.

The correct answer is DNA.

In DNA, Adenine binds to the thymine and uracil in RNA.

In the question, it has the thymine nitrogenous base.

Hence, we can say that nucleic acid is DNA.

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Answer:

Exocytosis is the process by which cells move materials from within the cell into the extracellular fluid. Exocytosis occurs when a vesicle fuses with the plasma membrane, allowing its contents to be released outside the cell. ... Carbon dioxide and water are removed from these cells via exocytosis.

Explanation:

Answer:

flora and fauna and also some types of invasive species

Answer:

energy can be needed for both passing in the cell or out of the cell, it depends on the type of transport. there is active transport and passive transport. passive transport does not require energy while active transport does. the function of the cell membrane is to act as a gateway for materials to go in and out and to choose what goes in and what doesn't and what leaves and what doesn't.

Explanation:

i took this chapter last week.

Answer:

its b but its not a multiply choice

Explanation:

Answer: On the Y chromosome

Answer: 21th

Explanation: Down syndrome a.k.a trisomy 21 because it’s caused by an extra copy of a chromosome 21.

Hope easy and helps! ^^

Answer:

Adaptations generally occur in order to increase the fitness and thus survival of organisms. By being able to adapt to the changing environment, organisms are better able to survive and reproduce.

Explanation:

<3

Answer:

The correct answer is - increase in frequency.

Explanation:

According to the theory of Darwin, organisms most likely survive and reproduce in an ecosystem that is able to change or adapt to the changes in the ecosystem.

According to the modern evolutionary theory that the genes that are responsible for new changes or traits that help a species to reproduce and survive in a particular environment increase in frequency and the genes do not helps decrease in frequency.

Answer:

So, the correct option is ‘I, II’.

Explanation:

So, the correct option is ‘I, II’.

Answer:

False

Explanation:

Different areas and seas have higher or lower salt levels

Answer:

they are organic molecules consisting of a nucleoside and a phosphate

Explanation:

Answer: A nucleotide is an organic molecule that is the building block of DNA and RNA. The nucleotide also have functions related to cell signaling, metabolism, and enzyme reactions

Explanation:

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Answer:

I think the answer is C but aia could be wrong

Explanation:

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Answer:

there would be no children, we will die

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Answer:

It is restriction enzymes

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Answer:

high elevation with nearly horizontal layers of  bedrock

Explanation:

A plateau is a an area of relatively high ground.

Answer:

Lack of movement allows blood to circulate in a vein very slowly by sitting still for long periods of time. Slow-flowing blood is more likely to clot than normal-flowing blood. This issue is referred to as deep vein thrombosis (DVT). In DVT, as seen in the diagram, the clot normally takes place in a leg vein.

Explanation:

Lack of movement by still for long periods of time makes blood flow very slowly in a vein it is because the blood that flows slowly is more likely to clot than blood that flows normally.

Large leg veins are saphenous veins. The leg veins that become weak in the most people age are the superficial veins and perforator veins.

The superficial and undesirable visible branches are known as varicose, reticular, and spider veins.

When sitting still, the flow of blood flow becomes slow, it is caused because the blood that flows slowly is more likely to clot than blood that flows normally.

This condition is called deep vein thrombosis.

Thus, due to this condition, blood flow in a leg vein is slow when there is lack of movement.

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Answer:

Carbohydrates are organic compounds that contain only carbon, hydrogen, and oxygen. They are the most common of the four major types of organic compounds. There are thousands of different carbohydrates, but they all consist of one or more smaller units called monosaccharides.

Answer: The method that helps control pollution at source is Practicing conservation tillage helps prevent. This is to help conserve water and prevent water pollution.

Explanation:pollution

1. -violet, indigo, blue, green, yellow, orange, red

2. -refraction and reflection

Answer: The two examples of conduction and induction are as follows.

Explanation:

Conduction can be defined as the process of transfer of charges from the charged body to the neutral body by direct contact whereas the induction is a process in which the charges are induced in the neutral body by the charge body. The conduction process requires the direct contact between the bodies in which the charges are being transmitted.

The example of the conduction process involves the neutral metal sphere gets charged when comes in contact of aluminum plate that exhibit a charge.

The example of induction is the rubbing of the rubber balloon with that of the animal fur then the two balloons will move away due to like charge repel each other.  

Answer:  Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins.

Explanation:

Answer:

Its A 50%

Explanation: