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shutvik [7]
2 years ago
5

Why is the ATP generation and degeneration considered a cycle?

Biology
1 answer:
alekssr [168]2 years ago
8 0

Answer:

because they are always doing the same thing

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Please i need someone to answer this for me. its urgent!!!!
amid [387]

I also need help on it

7 0
3 years ago
In a certain mutant strain of bacteria, the enzyme leucyl-tRNA synthetase mistakenly attaches isoleucine to leucyl-tRNA 10% of t
Effectus [21]

Answer:

The correct answer is "proteins in which isoleucine is inserted at some positions normally occupied by leucine".

Explanation:

The missing options of this question are:

A. proteins in which leucine is inserted at some positions normally occupied by isoleucine.

B. proteins in which isoleucine is inserted at some positions normally occupied by leucine.

C. no abnormal proteins, because the ribosomal translation machinery will recognize the inappropriately activated tRNAs and exclude them from the translation process.

D. no proteins, because the inappropriately activated tRNAs will block translation

The correct answer is option B. "proteins in which isoleucine is inserted at some positions normally occupied by leucine".

In normal conditions, the enzyme leucyl-tRNA synthetase attaches one leucine amino acid to leucyl-tRNA as part of synthesis of proteins that have one or more leucine residues in their sequences. Since the enzyme of this mutant strain of bacteria mistakenly attaches isoleucine to leucyl-tRNA 10% of the time, approximately 10% of all the proteins that normally have leucine residues will going to have isoleucine. Therefore, These bacteria will synthesize proteins in which isoleucine is inserted at some positions normally occupied by leucine.

3 0
3 years ago
PLEASE ANSWER BOTH!!! WILL GIVE BRAIN!!<br> True or false
Kitty [74]

Answer:

True, True

Explanation:

I also commented the answer, explaining it :)

4 0
3 years ago
Which principle states that fossils will be placed in rock layers according to a chronological order?"
Oksana_A [137]

Answer:

Faunal succession states that fossils in rock are placed in rock layers according to a chronological order

7 0
3 years ago
Atoms of a given element will have the same mass.
sergey [27]

Answer:

Atoms of the same chemical element do not always have the same mass because, although the number of protons in the nucleus is the same for all atoms of the same element, the number of neutrons is not. Most elements as they occur naturally on earth are mixtures of several isotopes.

Explanation:

4 0
3 years ago
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