The enzyme Pyruvate dehydrogenase acts in

(1) Mitochondrial membranes

(2) Cytoplasm

(3) Peri mitochondrial space

(4) Mitochondrial Matrix

Subtopic:  Aerobic Respiration |
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The reaction which is catalyzed by Pyruvate dehydrogenase includes except

(1) Several coenzymes

(2) NAD+

(3) Coenzyme A

(4) ADP

Subtopic:  Aerobic Respiration |
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First step of decarboxylation in cellular respiration occurs in

(1) Cytoplasm

(2) Mitochondrial membranes

(3) Mitochondrial Matrix

(4) Peri mitochondrial space

Subtopic:  Aerobic Respiration |
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The first step of decarboxylation in cellular respiration is

(1) Conversion of PGAL to DHAP

(2) Conversion of PGAL to PGA

(3) Conversion of Pyruvate to Acetyl CoA

(4) Conversion of BPGA to PGA

Subtopic:  Aerobic Respiration |
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Which of the following ion is important for the activity of Pyruvate dehydrogenase?

(1) Zn++

(2) Mn+

(3) Mg++

(4) Ca++

Subtopic:  Aerobic Respiration |
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How many molecule of NADH are produced during oxidation of one molecule of Glucose to Acetyl CoA?

(1) 2NADH

(2) 4NADH

(3) 3NADH

(4) 12 NADH

Subtopic:  Aerobic Respiration |
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The substrate which enters in Krebs’ cycle during oxidation of Glucose is

(1) Pyruvate

(2) Acetyl CoA

(3) Oxaloacetate

(4) Succinate

Subtopic:  Aerobic Respiration |
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Who elucidated Krebs’ cycle for the very first time?

(1) Frederick Kreb

(2) Hans Kreb

(3) Edward Kreb

(4) Tilman Kreb

Subtopic:  Aerobic Respiration |
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Which of the following is not used for the cyclic process of cellular respiration of carbohydrates?

(1) Krebs’ cycle

(2) Tricarboxylic Acid Cycle

(3) Citric Acid cycle

(4) Phosphorespiration cycle

Subtopic:  Kreb's Cycle |
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The very first step of TCA cycle involves except

(1) Citrate synthase

(2) A molecule of coenzyme A is released

(3) Isomerization

(4) Formation of citrate

Subtopic:  Kreb's Cycle |
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