How many molecule of CO2 are released in citric acid cycle?
A
One
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B
Two
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C
Three
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D
Six
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Solution
The correct option is B Two Citric acid cycle is also called as tricarboxylic acid cycle or krebs cycle. Acetyl CoA enters a cyclic pathway known as citric acid cycle. The citric acid cycle is a series of reactions that produces two carbon dioxide molecules (when isocitrate change into alpha-ketoglutarate and alpha-ketoglutarate is converted into succinyl CoA), one GTP/ATP, and reduced forms of NADH and FADH2. So, the correct option is option B.