Biochemistry MCQs
Biochemistry MCQs cover enzymes, metabolism, vitamins, nucleic acids, and clinical correlations. Perfect for MDCAT, USMLE, FCPS, and competitive exams, these quizzes strengthen molecular biology concepts and link biochemical processes to human health and disease.
Q: The building blocks of proteins are
A) Fatty acids
B) Amino acids
C) Monosaccharides
D) Nucleotides
Q: Most enzymes function best at
A) High salt
B) Acidic conditions
C) Optimal pH and temperature
D) Low pH
Q: The active site of an enzyme binds
A) Any molecule
B) Specific substrate
C) Water
D) All proteins
Q: Chylomicrons primarily transport
A) Lipids
B) Glucose
C) Ions
D) Nucleic acids
Q: Gluconeogenesis synthesizes glucose from
A) Fatty acids
B) Carbohydrates
C) Non-carbohydrates
D) Proteins