3. Amino Acids

Compared to carbohydrates and lipids, which element is unique to protein-containing molecules?

Which of the following statements about glycine is true?

Which of the following functions requires thiamin (vitamin B$_1$) as a coenzyme?

Amino acids are monomers for which class of biochemicals?

Which of the following pairs of amino acids can form hydrogen bonds between their side-chain groups?

How do the R groups (side chains) of amino acids contribute to the overall structure of a protein?

Which of the following statements about amino acids is correct?

Which molecule is responsible for bringing amino acids to the ribosome during protein synthesis?

Which functional groups are directly involved in the formation of peptide bonds between amino acids?

Alanine and leucine are examples of ______ amino acids.

1. Which of the following best describes the term 'peptide chain' in the context of amino acid groups?

All of the following are components that make up a standard amino acid except:

Which functional group is commonly used in cells to transfer energy?

Which of the following statements about amino acid neurotransmitters is incorrect?

Which amino acid is the most abundant in the human body?