April 2025 - BDS Biochem Quiz - 01

Which of the following is a subclass of isomerase enzymes?

• Synthetase

• Carboxylase

• Racemase

• Hydrolase

Amino acids containing aromatic rings are also called:

• Basic amino acids

• Hydroxy amino acids

• Sulfur containing amino acids

• Aromatic amino acids

Proteins are polymers of amino acids linked by what type of bond?

• Ester bond

• Hydrogen bond

• Disulfide bond

• Peptide bond

According to the International Union of Biochemistry, enzymes are classified into how many major classes?

• Four

• Five

• Six

• Seven

Which of the following is true regarding the charge of a protein?

• It remains constant regardless of the surrounding pH.

• It is always positive at its isoelectric point.

• It is always negative below its isoelectric point.

• It can be altered by changing the pH of the surroundings.