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Svetradugi [14.3K]
2 years ago
9

Cells can make ATP through aerobic respiration, anaerobic respiration, or fermentation. Which of the following pathways do all t

hree forms of cellular catabolism share?
A) breaking down pyruvate into CO2 through a series of steps

B) reducing pyruvate into lactic acid or acetaldehyde to regenerate NAD+

C) breaking down a molecule of glucose or other organic fuel into two molecules of pyruvate

D) passing electrons through a chain of proteins to an electronegative molecule to oxidize NADH
Biology
1 answer:
Rainbow [258]2 years ago
4 0

Answer:

A

Explanation:

it will break down to co2 which is absorbed in the body to form glucose to release energy

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See Explanation

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Note the two transcribed and translated DNA strips below. The two strips are identical except for a point mutation, where the fi
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Full question attached

Answer/ Explanation:

The original DNA sequence has a point mutation changing a G to a T. The resulting mRNA produced is always complementary to the DNA from which it is synthesised, so the original mRNA sequence has a T, whereas the mutated mRNA has a U. The tRNA is complementary to the mRNA, so the original has a G, and the mutated has a T.

<h3>Original DNA</h3>

GTTGGCGAATGAACGGAGGCTGACGTCTAAGCCTAGAAAAATTGG

RNA

CAACCGCUUACUUGCCUCCGACUGCAGAUUCGGAUCUUUUUAACC

tRNA

GUUGGCGAAUGAACGGAGGCUGACGUCUAAGCCUAGAAAAAUUGG

<h3>_______________________________________________</h3><h3>Mutated DNA</h3>

GTTGGCGAATGAACTGAGGCTGACGTCTAAGCCTAGAAAAATTGG

RNA

CAACCGCUUACUUGUCUCCGACUGCAGAUUCGGAUCUUUUUAACC

tRNA

GUUGGCGAAUGAACTGAGGCUGACGUCUAAGCCUAGAAAAAUUGG

This is a point mutation called a substitution. This does not affect the entire sequence of the protein, because the mutation is "in frame" meaning the mRNA sequence is still read in the same way by the protein producing machinery. However, it does change the 5th codon from UGC to UGU. If we look up the genetic code, we can see that both of these codons code for cysteine, so there will be no change in the amino acid sequence of the protein

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An organism has a nucleus and is multicellular but has no cell wall and no chloroplasts.
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Question 10 (15 points)
Anettt [7]

Answer:

1. food

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4. CO2

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Explanation:

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