Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

12. Microbial Metabolism

Krebs Cycle

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concept

Krebs Cycle

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Phases of The Krebs Cycle

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example

Krebs Cycle Example 1

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Problem

Which product of the Krebs cycle is also used as a reactant in the Krebs cycle?

a) Citrate.

b) ATP.

c) Acetyl-CoA.

d) Oxaloacetate.

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Problem

Taking one molecule of glucose through glycolysis, pyruvate oxidation, and the Krebs cycle generates:

a) 6 CO2, 8 NADH, 2 FADH2 and 4 ATP.

b) 6 CO2, 8 NADH, 1 FADH2 and 2 ATP. 

c)  6 CO2, 10 NADH, 2 FADH2 and 4 ATP.  

d) 6 CO2, 10 NADH, 2 FADH2 and 2 ATP.