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2 years ago

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Biology

1 answer:

kodGreya [7K]2 years ago

8 0

Answer:

Bacteria help to release chemicals from dead plants and animals and They make nitrogen chemicals that plants can use.

Explanation:

First one is wrong as it uses the nitrogen from the air not release the nitrogen. second is wrong as it builds its own protein using plant product that are produced. last is wrong as it does help the nitrogen cycle.

Hope this helps :)

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This illustration shows a strand of mRNA and the complimentary tRNA molecules that can base pair with the mRNA codons. What is t

konstantin123 [22]

Answer:

Since you haven't attached the illustration for finding out the amino acid sequence from the mRNA sequence from, I'll explain the general principle for it.

The mRNA represents the code for translation into specific amino acids which will form the protein. A group of three bases, a triplet code, is referred to as a codon. The tRNA is responsible for recognizing the codon and matching the anticodon that will attach to the mRNA and generate the chain of appropriate amino acids.

Hope that answers the question, have a great day!

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3 years ago

Conjugation is a very effective process for spreading antibiotic resistance among diverse bacterial populations such as those fo

ololo11 [35]

Answer:

B) Two different species of bacteria can share DNA, including antibiotic-resistance genes, during conjugation.

Explanation:

Conjugation is a process by which bacteria can exchange their genetic material between them. So through conjugation, the antibiotic-resistant gene coded by plasmid can be transferred through sex pilus to another bacteria.

So due to conjugation two different species of bacteria can share DNA which can include antibiotic-resistant genes. Therefore, through conjugation genetic variation and evolution are favored in bacteria. So due to this reason conjugation is a very important process in bacteria to spread antibiotic-resistant genes.

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3 years ago

How can you indentify the difference between a chemical and physical change and what are signs that a chemical change has occurr

photoshop1234 [79]

Answer:

Explanation:

The formation of a gas is a clue to chemical changes. The bubbles of gas that you observed form when an antacid is dropped into water is an example of change. ... After ice melts into liquid water, you can refreeze it into solid ice if the temperature drops. Freezing and melting are physical changes.

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3 years ago

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All of the following are true of most vitamins EXCEPT A. they enhance enzymatic activity. B. they are inorganic molecules. C. th

Elenna [48]

Answer:

They are in organic

Explanation:

Vitamins are organic compounds derived from plants or animals that are needed in the body at small quantities.

They help in the body's metabolism since they enhance enzymatic activities and can act as co-factors.

They are essential for good health such as vitamin A helps in improving eye sight.

Lack of certain essential vitamins can lead to disease ,lack of vitamin D can lead to Rickets.

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3 years ago

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A population will most likely deplete the resources of its environment if the population

anastassius [24]

A population will most likely deplete the resources of its environment if the population "increases".

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3 years ago