The Citric Acid Cycle

The "fuel" for the Kreb's cycle is

• CO₂

• H₂O

• GTP

• Acetyl-CoA

These are formed during the cycle which carries electrons and hydrogen ions to the Electron Transport Chain.

• CO₂ and H₂O

• NAD+ and FAD

• NADH and FADH₂

• GTP and CO₂

Tags

NGSS.HS-LS1-7

How many carbon atoms are in pyruvate?

• 2

• 3

• 5

• 4

Tags

NGSS.HS-LS1-7

How many FADH₂ are formed during two turn of the Krebs cycle?

• 2

• 4

• 6

• 0

Tags

NGSS.HS-LS2-3

How many carbon atoms are in Acetyl-CoA?

• 1

• 2

• 4

• 6

NAD+ is the _________ form and NADH is the ___________ form

• oxidized / reduced

• reduced / oxidized

FAD forming into FADH₂ is a type of what reaction?

• Oxidation

• Reduction

• Hydration

• Decarboxylation

The chemical reactions of the Citric Acid Cycle take place in

• Inner mitochondrial membrane

• Outer mitochondrial membrane

• Mitochondrial matrix

• Intermembrane space of mitochondria

Tags

NGSS.HS-LS2-3

The starting point of the Kreb's Cycle

• Acetyl CoA + Citrate

• Oxaloacetate + Acetyl CoA

• Acetyl CoA + Isocitrate

• Acetyl CoA + CO2

The products of a single turn of Citric Acid Cycle.

• (1) CO2, (3) NADH, (1) FADH2, (1) ATP

• (2) CO2, (1) NADH, (3) FADH2, (1) ATP

• (4) CO2, (3) NADH, (1) FADH2, (1) ATP

• (2) CO2, (3) NADH, (1) FADH2, (1) ATP

Tags

NGSS.HS-LS2-3