Help me ASAP will give brainiest :- if one amino acid in a protein sequence is changed , what could happen ?
1. it could become a carbohydrate
2. Normal bodily functions can change
3. Proteins are so complex that one amino acid won’t make a difference

The answer seems to be the second one

Explanation:

The gene, or sequence of DNA, ultimately determines the unique sequence of amino acids in each peptide chain. A change in nucleotide sequence of the gene's coding region may lead to a different amino acid being added to the growing polypeptide chain, causing a change in protein structure and therefore function

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