(DEC 2011) 19. Michaelis and Menten derived their equation using which of the following assumption? (1) Rate limiting step in the reaction is the breakdown of ES complex to product […]
Tag: csir pyq biochemistry
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CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Roles of Coenzymes as Transient Chemical Group Carriers: Comprehensive Matching Guide
The correct answer is (2) A-(ii), B-(i), C-(iv), D-(iii). Introduction Coenzymes are vital non-protein molecules that partner with enzymes to catalyze a wide range of biological reactions. They often serve as […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Reaction Order of Enzyme-Catalyzed Reactions at Low Substrate Concentration: A Detailed Analysis
(JUNE 2007) 11. The order of reaction catalyzed by enzyme at low substrate concentration is (1) first order (2) Pseudo first order (3) Second order (4) Zero order The correct […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Understanding Enzyme-Substrate Interactions: Mechanisms, Models, and Catalytic Processes
6. Enzymes do not interfere with (1) Path of reaction (2) Rate of reaction (3) Activation energy (4) Reaction equilibrium The correct answer is (4) Reaction equilibrium. Enzymes accelerate the rate […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Endothermic Reaction with Least Activation Energy: Graph Identification and Explanation for CSIR NET Life Sciences
3. Which graph represents the endothermic reaction with least activation energy? (‘A’ Substrate→ ‘B’ Product) The correct answer is Option 3. This graph best represents an endothermic reaction with the least activation energy where ‘A’ (substrate) transitions to ‘B’ (product). Introduction […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
How Do Enzymes Accelerate Reaction Rates? Lowering Activation Energy Explained
2. Enzymes accelerates rate of reaction by (1) Lowering number of transition states (2) Lowering the activation energy of highest transition state (3) Providing direct energy to substrate (4) Providing […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Role of Aspartate as a Precursor in Key Biosynthetic Processes
Aspartate (Asp) is an amino acid with the structure NH2 – CH(CH2 — COOH) — COOH. Given below are biosynthetic processes occurring in cells: A. protein synthesis B. de novo […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Catabolic End Product of Purines: Understanding Uric Acid Metabolism in Humans
Catabolic end product of purines is (1) Xyloric acid (2) Allantoin (3) Urea (4) Uric acid Purines are vital nitrogen-containing compounds that form the building blocks of nucleic acids—DNA and […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Hypoxanthine Base Pairing Preferences in DNA: Understanding Its Pairing Order
The pathway for de novo biosynthesis of purine nucleotides involves the production of inosine monophosphate (IMP) that serves as a precursor for AMP and GMP synthesis. IMP has the base […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Understanding De Novo Nucleotide Biosynthesis: Identifying the Incorrect Statement
Purine and pyrimidine nucleotides serve as monomeric units of the nucleic acid polymers DNA and RNA. Mentioned below are some of the statements with respect to the de novo synthesis […]
