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HURRY 30 POINTS

(A) A long molecule made of a chain of individual molecules. (B) The individual molecules of the chain. (C) Each individual molecule consists of a central carbon attached to an amino group (-NH2), a carboxyl group (-COOH), a hydrogen (H), and an R group. (D) The R group of the individual molecule.

Which part of the diagram illustrates a protein?
A
B
D
C

User Pmaniyan
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1 Answer

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Answer:

A because proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues

Step-by-step explanation:

User Ahei Cheng
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