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ira [324]
2 years ago
7

What joins amino acids to make proteins?

Biology
2 answers:
Vedmedyk [2.9K]2 years ago
8 0

Answer: Peptide bonds

Explanation: A peptide bond is a bond in which two amino acid molecules are covalently joined together. The reaction involves the removal of water molecule from alpha carboxyl group of one amino acid and alpha amino group of another amino acid to form a peptide bond. When many amino acids are joined by peptide bond, the product is a polypeptide or protein.

yanalaym [24]2 years ago
7 0

Answer:

water molecule

Explanation:

Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid.

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If one strand of DNA has the base sequence TTCCGGAA The complementary strand has which of the following sequence?
Mazyrski [523]

Answer:

If a DNA strand has the base sequence TTCCGGAA the complementary strand has the sequence AAGGCCTT.

Explanation:

A DNA molecule is constructed from sequences of its four nitrogenous bases: adenine, thymine, guanine and cytosine. Since DNA is made up of two strands, the sequence of nitrogenous bases of one strand is complementary to the other .

The complementarity of the bases is a characteristic of the nitrogenous bases in the nucleic acids to combine with their complementary base, which is the same as saying that purines complement with pyramidines.

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In this way, given a sequence on a DNA strand :

<em>     T-T-C-C-G-G-A-A</em>

The complementary strand will have this sequence:

<em>     A-A-G-G-C-C-T-T</em>

4 0
3 years ago
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 hope it helped .
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