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: Element found in the structure of heme
A) Magnesium
B) Iron
C) Copper
D) Zinc
Q: Molecule acting as the main electron carrier in respiration
A) ATP
B) Glucose
C) NAD+
D) FADH2
Q: Lipid component contributing to membrane fluidity
A) Triglycerides
B) Cholesterol
C) Phospholipids
D) Glycolipids
Q: Level of protein structure formed by alpha helices and beta sheets
A) Secondary
B) Quaternary
C) Tertiary
D) Primary
Q: Function of ribosomal RNA
A) Catalysis of peptide bond formation
B) Gene regulation
C) Lipid synthesis
D) Energy storage