In gastric protein digestion, the primary role of hydrochloric acid (HCl) is to:

In human physiology, the blood protein fibrinogen is necessary for which process?

In human digestion, the enzyme pepsin primarily digests which type of biomolecule in the stomach?

In human blood plasma, which protein is the most abundant by concentration?

In human blood typing, which symbol indicates the presence of the Rhesus (Rh) protein (D antigen) on red blood cells?

In biochemistry, what is the monomer (basic building block) of a protein?

Which plasma protein is essential for blood clotting?

In biochemistry, what is the monomeric building block (subunit) of a protein?

Which of the following is NOT a function of proteins in living organisms?