3. Amino Acids

How many standard amino acids are commonly found in proteins of living organisms?

What determines the order of amino acids in the primary structure of a protein?

What is the name for the chemical group that is unique for each of the 20 amino acids?

Which of the following statements about the synthesis of amino acids is accurate?

Which of the following amino acids is classified as basic?

Which functional group(s) are present in all standard amino acids?

In the general structure of an amino acid, what does the R group represent?

A basic amino acid is likely to contain which of the following functional groups in its R group?

In a standard amino acid (the building block of proteins), which set of functional groups is always present in the backbone structure?

How is the correct amino acid bound to its appropriate tRNA molecule?

Which type of amino acid R groups are most likely to line the interior of a channel protein that facilitates the passage of water-soluble molecules?

Which of the following criteria is used to classify amino acids into different groups?

Protein molecules are polymers (chains) of __________.

Which of the following lists the three major structural components of a standard amino acid?

How many ionizable groups are present in the peptide Leucine-Valine-Aspartate-Tryptophan-Lysine?