Glycolysis and Krebs Cycle

For the two pyruvic acids that enter from glycolysis, the Krebs cycles will yield:

• ATP, 2 NADH, and 1 FADH₂

• 1 ATP, 2 NADH, and 2 FADH₂

• 1 ATP, 3 NADH, and 1 FADH₂

• 2 ATP, 8 NADH, and 2 FADH₂

• 2 ATP, 4 NADH, and 2 FADH₂

Tags

NGSS.HS-LS1-7

Where does glycolysis occur?

• Inner mitochondrial membrane

• Mitochondrial Matrix

• Cytosol

• At a ribosome

NADH is a ______ form of NAD+.

• Reduced

• Oxidized

• Catabolized

• Hydrolized

Which molecules are made during the Krebs Cycle to power the electron transport chain?

• ATP and CO₂

• ATP and NADH

• NADH and FADH₂

• ADP, NAD⁺ and FAD⁺

Tags

NGSS.HS-LS1-7

What role does NADH play in cellular respiration?

• It acts as a primary energy source.

• It serves as an electron carrier.

• It functions as the final electron acceptor.

• It is used to directly synthesize ATP.

Tags

NGSS.HS-LS1-7

Label the processes, reactants, and products.

a

b

c

d

e

f

g

h

Glucose

H20

ETC

Pyruvate

Glycolysis

O2

CO2

Krebs Cycle

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

What is the name of the compound numbered 1?

• Glucose

• Pyruvate

• Acetyl

• Carbon dioxide

• Citric Acid

Tags

NGSS.HS-LS1-7

What is the net gain of ATP from one molecule of glucose after glycolysis, the Krebs Cycle, and the Electron Transport Chain?

• 2-4 ATP

• 18-24 ATP

• 30-38 ATP

• 40-42 ATP

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

The Krebs Cycle is also known as the (a)  

• Calvin Cycle

• Citric Acid Cycle

• Glycolysis

• Cellular Respiration

What is the name of the compound numbered 6?

• Glucose

• Pyruvate

• Acetyl

• Carbon dioxide

• Citric Acid

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3