Which of the following statements concerning protein structure is correct?

Question

Quizplus · Accepted Answer

A) Amino acids are connected through peptide bonds, this is true.

B) At least one unit of each of the 20 standard amino acids does not need to be present. However, all proteins are made up of at least some of the 20 standard amino acids.

C) More than one chain of amino acids may be present. For instance, in a protein with multiple subunits, each subunit may consist of its own chain of amino acids.

Therefore, statements A and C are correct, and statement B is incorrect, making D the correct answer.

Which of the Following Statements Concerning Protein Structure Is Correct