Krebs Cycle

How many acetyl CoA molecules are formed from one glucose

2

How many pyruvic molecules are formed from one glucose?

2

what is the first reaction in the KC?

2C molecules of Acetyl CoA + 4C molecule of oxaloacetate= 6C molecule of citrate

Each turn of the Krebs Cycle produces ___ NADH ____ FADH from the four oxidation reduction reactions

3 NADH 1 FADH

How many NADH and FADH are produced from one glucose molecule

6 NADH 2 FADH

What is the first substrate in the krebs cycle

Acetyl CoA

What exact place does hydrogen have to be in the Kreb's cycle?

It must be present for the transfer of hydrogens in the form of NADH and FADH to the electron transport chain there O2 serves as the final hydrogen acceptor

(1 of 4 Oxidation-reduction-reactions) Isocitrate

is oxidized to alpha-ketoglutarate andn NAD is reduced to NADH

(3 of 4 Oxidation-reduction-reactions) Succinate

is oxidized to furmate and FAD is reduced to FADH

(4 of 4 Oxidation-reduction-reactions) Malate

is oxidized to oxaloacetate and NAD is reduced to NADH

(2 of 4 Oxidation-reduction-reactions) Alpha-ketoglutarate

is oxidized to succinyl CoA and NAD is reduced to NADH

What type of reaction starts the krebs cycle and how does it work

oxidation reduction reaction it begins with the pyruvic acid being oxidized to acetyl CoA and NAD being reduced to NADH

What is the primary purpose of the Krebs cycle in carbohydrate metabolism?

to compplete the oxidation (removal of hydrogen) of glucse using NAD and FAD electron carriers

Decarboxylation reactions

when 2 CO2 molecules are removed