Link reaction and Krebs cycle

Question 1

WHere does Links occur

Answer 1

Mitochondrial matrix

Question 2

What happens during Link reaction

Answer 2

Pyruvate oxidised and decarboxylated into acetate
-C02 and reduced NAD produced
Acetate combine with Coenzyme A= Acetyl CoA

Per glucose molecule= 2x acetyl coA , 2x CO2 and 2x reduced NAD produced

Question 3

Krebs Cycle where it occurs

Answer 3

Mitochondrial matrix

Question 4

Process of Krebs

Answer 4

Acetyl CoA reacts with 4C molecule producing a 6C molecule that enters the Krebs cycle
CoA is released
6C–>5C—>4C molecule (regenerated) through a series of redox reactions.
Decarboxylation and dehydrogenation
C02 removed
Coenzymes NAD and FAD reduced
ATP produced by substrate level phosphorylation