Question

question 16
1 pts
a chain of amino acids strung together by peptide bonds is

o a polypeptide
o an rrna sequence
o an mrna sequence
o a nucleic acid

Explanation:

A polypeptide is a chain of amino acids linked by peptide bonds. rRNA (ribosomal RNA) and mRNA (messenger RNA) are types of nucleic acids involved in protein synthesis but are not chains of amino acids. Nucleic acids (like DNA and RNA) are made of nucleotides, not amino acids.

Answer:

A. a polypeptide