Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — December 2018 — 04-Bio-A3, Cellular and Molecular Biology and Biochemistry. Three-hour, CLOSED-BOOK exam; only an approved Casio or Sharp calculator is permitted. The paper carries six questions of equal value (20 marks each): FIVE questions constitute a complete paper and only the first five as they appear in the answer book are marked (100 marks total), with candidates urged to state any interpretive assumptions in writing. All SIX questions are worked below as a complete study resource. Question 6 is a 20-item True/False set marked +1 for a correct answer, 0 for a blank, and −1 for an incorrect answer.
Reference texts: Alberts et al., Molecular Biology of the Cell (6th ed.) — cell structure, gene regulation, DNA/RNA/protein synthesis; Nelson & Cox, Lehninger Principles of Biochemistry (7th ed.) — enzyme kinetics, Michaelis–Menten and substrate inhibition; Sambrook & Russell, Molecular Cloning: A Laboratory Manual (4th ed.) — restriction mapping, Sanger sequencing; Murphy & Weaver, Janeway's Immunobiology (9th ed.) — antibody structure and function; Murray et al., Medical Microbiology (9th ed.) — antibiotic mechanisms and susceptibility testing.
