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: Macromolecule primarily responsible for catalyzing reactions
A) Nucleic acids
B) Proteins
C) Lipids
D) Carbohydrates
Q: Site of cholesterol synthesis in the cell
A) Ribosome
B) Mitochondria
C) Smooth endoplasmic reticulum
D) Nucleus
Q: Type of enzyme that transfers a phosphate group
A) Ligase
B) Kinase
C) Isomerase
D) Hydrolase
Q: Biomolecule serving as the genetic code translator
A) RNA polymerase
B) DNA
C) mRNA
D) ATP
Q: Biochemical process producing urea
A) Gluconeogenesis
B) Urea cycle
C) Glycolysis
D) Photosynthesis