1. Introduction to Biochemistry

Lactase is an example of which type of macromolecule?

In human nutrition, what best defines an incomplete protein?

Protease is an enzyme that breaks down proteins. What is the primary end product of this protein breakdown?

Which of the following proteins primarily functions as a chemical messenger in the human body?

Which plasma protein is essential for blood clotting?

Which of the following statements is most true regarding proteins as macromolecules and their functions?

Which statement best describes the distribution of dietary proteins in common food sources?

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

In biochemistry, proteins are polymers built from repeating monomer units. What is the monomer of a protein?

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

What is unusual about the protein sequence 'VDAATAEKVFKQY'?

In humans, protein digestion begins in which organ due to the action of pepsin in an acidic environment?

Which type of macromolecule are enzymes primarily composed of?

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

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