This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Examples Of Enzymatic actions”. 1. By what factor chymotrypsin enhances the rate of peptide bond hydrolysis? a) 107 b) 108 c) At least 109 d) 106 2. The active site of chymotrypsin consists of a catalytic triad of which of the following amino … Read more
This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Enzyme Kinetics as an Approach to Understanding Mechanism”. 1. Which of the following is true about Michaelis-Menten kinetics? a) Km, the Michaelis constant, is defined as that concentration of substrate at which enzyme is working at maximum velocity b) It describes single substrate … Read more
This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Protein Interactions Modulated by Chemical Energy: Actin, Myosin and Molecular Motors”. 1. Light band has which of the following filament protein? a) Actin b) Myosin c) Actin and myosin d) Tubulin 2. Contractile protein of a muscle is __________ a) Troponin b) Myosin … Read more
This set of Biochemistry Questions and Answers for Experienced people focuses on “Complementary Interactions Between Proteins and Ligands: The Immune System and Immunoglobulins”. 1. Which of the following is not the function of helper T cells is ____________ a) Produce soluble signaling proteins called cytokines, which include the interleukins b) They help activate cytotoxic T … Read more
This set of Biochemistry Interview Questions and Answers for freshers focuses on “Reversible Binding of a Protein to a Ligand: Oxygen-Binding Proteins”. 1. Which of the following is false? a) Heme consists of a complex organic ring structure, protoporphyrin b) Protoporphyrin is bound to a single iron atom in its Fe+3 state c) Iron atom … Read more
This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Protein Denaturation and Folding”. 1. Which of the following forces is favorable for protein folding? a) Hydrophobic interactions b) Hydrogen bonding c) Vander Waals forces d) Ionic bonding 2. A process by which a protein structure assumes its functional shape or conformation is? … Read more
This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Protein Tertiary and Quaternary Structures”. 1. Fibroin is rich in ________ a) Alanine and Glycine b) Alanine c) Glycine d) Pro 2. Which of the following bonds are not involved in tertiary type of protein structure? a) Disulfide bond b) Hydrogen bonding c) … Read more
This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Protein Secondary Structure”. 1. Which of the following does not affect the stability of an α-helix? a) Electrostatic repulsion b) Bulkiness c) Interaction between R groups spaced three residues apart d) Occurrence of alanine and glycine residues 2. Which of the following is … Read more
This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “Protein Sequences and Evolution”. 1. Amino acids sequence in DNA can be determined by the order of their _________ a) rRNA b) tRNA c) Nucleotides d) mRNA 2. Which of the following is a Sanger’s reagent? a) 1-fluoro-2, 4-dinitrobenzene b) 1-fluoro-2, 3-dinitrobenzene c) … Read more
This set of Biochemistry Multiple Choice Questions & Answers (MCQs) focuses on “The Covalent Structure of Proteins”. 1. Which of the following statements is false? a) Primary structure of a protein determines how it folds up into a unique three dimensional structure b) Secondary structure of a protein determines how it folds up into a … Read more
