Which elements make up proteins?

Carbon and hydrogen is the most abundant elements, respectively, in proteins.

See below

Explanation:

Amino Acids are the building blocks of proteins. Proteins are made up of many small units of amino acids.

Elements that make up protein are:

1) Carbon

2) Hydrogen

3) Oxygen

4) Nitrogen

5) Phosphorus

6) Small traces of other elements.

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as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.