In proteins, including most enzymes, what is the monomeric unit that polymerizes to form the polypeptide chain?

In human nutrition, how many kilocalories (kcal) of metabolizable energy are provided by 1 gram of protein?

Which analogy best completes the statement: amino acid is to protein as ______ is to polysaccharide?

Which statement best evaluates the claim that bread and potatoes are a good source of protein for a typical human diet?

Viruses are ________ inside a protein shell.

Which of the following is NOT a type of protein?

Proteins perform many cellular functions, but not all cellular structures are made primarily of protein. Which structure is NOT made of protein?

Approximately how much protein is present in mature human breast milk (per 100 mL)?

In human nutrition, complementary proteins are combinations of plant foods that together provide all essential amino acids in adequate amounts. Which of the following pairs is an example of complementary proteins?