Kreb’s cycle was discovered by Krebs in pigeon muscles in 1940. Which step is called gateway step/link reaction/transition reaction in respiration?
(a) Glycolysis
(b) Formation of acetyl Co-A
(c) Citric acid formation
(d) ETS terminal oxidation
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Kreb’s cycle was discovered by Krebs in pigeon muscles in 1940. Which step is called gateway step/link reaction/transition reaction in respiration?
(a) Glycolysis
(b) Formation of acetyl Co-A
(c) Citric acid formation
(d) ETS terminal oxidation
Kreb’s cycle was discovered by Krebs in pigeon muscles in 1940. Which step is called gateway step/link reaction/transition reaction in respiration?
(a) Glycolysis
(b) Formation of acetyl Co-A
(c) Citric acid formation
(d) ETS terminal oxidation
Correct option is (b) Formation of acetyl Co-A
If O2 is not available, pyruvic acid undergoes anaerobic respiration / fermentation, but under aerobic condition, the pyruvic acid enters into mitochondria and converted to acetyl Co-A. Acetyl Co-A functions as substrate entrant for Krebs’ cycle. So, it is a connecting link between glycolysis and Kreb’s cycle.