Pyruvate Oxidation & Krebs Cycle

When the does cell begin Pyruvate Oxidation?

When the Pyruvate is imported into the mitochondrion

Pyruvate is used to produce the energy-rich…

Acetyl Coenzyme A (Acetyl CoA)

NADH molecule

___ will be catabolized by the Krebs cycle to make FADH2, GTP, & NADH

Acetyl CoA

What produced during Pyruvate Oxidation will be used to make ATP?

NADH

During Pyruvate Oxidation, Pyruvate catabolism generates what as a waste product?

One Carbon Dioxide (CO2)

___ molecules diffuse out of the mitochondrion, out of the cell, and enter the ___ for delivery to the ___

CO2; Bloodstream; Lungs

CO2 molecules exit the body by ___ which prevents toxic CO2 accumulation

Exhalation (Literally exhaling!)

What does pyruvate oxidation enzymes require as cofactors?

Vitamin B

For the Krebs Cycle, the sequence of eight reactions releases energy from the energy-rich ___ molecules produced by ___ ___

Acetyl CoA

Pyruvate Oxidation

What three energy-rich molecules does the Krebs Cycle Produce?

FADH2

GTP

NADH

The Krebs Cycle produces how many Carbon dioxide (CO2) molecules from Acetyl CoA as metabolic waste products?

TWO

Cells use the energy-rich products of the Krebs Cycle (Citric Acid Cycle) to make what?

ATP molecules

1 NADH molecules = ~___ - ___ ATP molecules

1 FADH molecule = ~___- ___ ATP Molecules

2.5-3

1.5-2

Nucleoside-Diphosphate Kinase converts 1 ___ to 1 ___

GTP to ATP