Common metabolites in nucleotide biosynthesis derived from pentose phosphate pathway is (1) PRPP (2) Glycerladehyde-3-P (3) DHAP (4) Sedoheptulose 7-P The pentose phosphate pathway (PPP) is a crucial metabolic route […]
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CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Why Eukaryotes Have a Single Multifunctional Fatty Acid Synthase Complex While Prokaryotes Use Multiple Enzymes
In eukaryotes there is single multifunctional fatty acyl synthase complex sufficient for complete fatty acid synthesis where as in prokaryotes there seven different enzymes involved for the same task. The […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Metabolic Functions of Red Blood Cells: Clarifying Common Misconceptions
Some metabolic aspects of the Red Blood Cell (RBC) are proposed in the following statements: A. Synthesis of fatty acids does not occur in the RBC B. The pentose phosphate […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Key Facts About β-Oxidation of Fatty Acids: Mechanism, Location, and Regulation
Which is true for β-oxidation of fatty acids (1) Formation of Malonyl CoA is committed and regulatory step (2) Formation of acetoacetyl ACP occurs in mitochondria (3) Cytosolic acyl CoA […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Understanding Cholesterol Metabolism: Key Facts and Common Misconceptions
Which of the following ii NOT true for cholesterol metabolism? (1) HMG-CoA reductase is the key regulator of cholesterol biosynthesis. (2) Biosynthesis takes place in the cytoplasm. (3) Reduction reactions […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
The Purpose of Excess Oxygen Consumption After Vigorous Exercise (EPOC)
Excess oxygen consumed after a vigorous exercise is (1) to pump out lactic acid from muscle (2) to increase the concentration of lactic acid in muscle (3) to reduce dissolved […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
The Organelle Responsible for Conversion of Glucose from Fatty Acids in Plants: Role of Glyoxysomes
The organelle responsible for conversion of glucose from fatty acids in plants is (1) Lysosome (2) Plastids (3) Glyoxisomes    (4) Peroxisomes In plants, the ability to convert fatty acids into […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Formation of Glucose from Acetyl CoA: Understanding Gluconeogenesis and Its Metabolic Significance
Formation of glucose from acetyl Co A is called- (1) Glycogenesis (2) Gluconeogenesis (3) TCA cycle                                (4) Glycolysis The formation of glucose from acetyl CoA is a fascinating topic in […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Regulation of Glycogen Phosphorylase and Glycogen Synthase by Phosphorylation: Activity Changes Explained
Following statements are made regarding glycogen phosphorylase and glycogen synthase activities in relation to their phosphorylation status: A. Phosphorylation of glycogen phosphorylase increases its activity B. Phosphorylation of glycogen phosphorylase […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
First Step in Glycogen Breakdown Releases Glucose Units as Glucose-1-Phosphate
The first step in glycogen breakdown releases glucose units as (1) glucose 6- phosphate (2) glucose 1- phosphate (3) glucose (4) glucose and glucose 6- phosphate Glycogen is the primary […]
