Biology, asked by Ranjaneshree6432, 1 year ago

Explain the Krebs cycle with reaction brainy. in

Answers

Answered by Atharva766
3
Following glycolysis, the mechanism of cellular respiration involves another multi-step process—the Krebs cycle, which is also called the citric acid cycle or the tricarboxylic acid cycle. The Krebs cycle uses the two molecules of pyruvic acid formed in glycolysis and yields high-energy molecules of NADH and flavin adenine dinucleotide (FADH2), as well as some ATP.
Answered by Anonymous
0

Explanation:

The Krebs cycle is also called tricarboxylic acid (TCA) cycle or the citric acid cycle. It takes place in the matrix of the mitochondria.

The cycle starts with the reaction between acetyl-CoA and the four-carbon oxaloacetate to form six-carbon citric acid. Through the next steps of the cycle, two of the six carbons of the citric acid removed as carbon dioxide (CO2) to yield the four-carbon compound, oxaloacetate, which is used again in the first step of the next cycle. During the eight reactions that take place, for every molecule of acetyl-CoA the cycle produces three NADH and one flavin adenine dinucleotide (FAD/FADH2), along with one molecule of ATP.

The net equation of the Krebs cycle:

Acetyl CoA + 3 NAD + FAD + ADP + HPO4-2 ——> 2 CO2 + CoA + 3NADH+ + FADH+ + ATP

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