Cellular Respiration Krebs Glycolysis and Et

Which is a product of glycolysis?

• 2 molecules of pyruvic acid

• 1 molecule of glucose

• NAD+

• oxygen

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NGSS.HS-LS1-7

Where does the pyruvic acid produced by glycolysis go next?

• the Calvin Cycle

• the electron transport chain

• the Krebs Cycle

• back through the glycolysis process

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Glycolysis is the second stage of cellular respiration.

• True

• False

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NGSS.HS-LS1-7

Glycolysis requires oxygen

• True

• False

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NGSS.HS-LS2-3

Which of these is broken down into pyruvic acid?

• glucose

• oxygen

• water

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NGSS.HS-LS1-7

During glycolysis, glucose is broken down into how many molecules of pyruvic acid?

• 2

• 3

• 4

• 1

Glycolysis has a net gain of how many ATP molecules?

• 2

• 4

• 6

Tags

NGSS.HS-LS1-7

The initial reaction of the Krebs cycle produces:

• Glucose and pyruvate

• H₂O and CO₂

• CO₂, acetyl-CoA, and NADH

• Coenzyme A and NADH

Tags

NGSS.HS-LS1-7

Acetyl-CoA is joined up to a ________________________ to form ________________________.

• 6 carbon compound; acetate

• 3 carbon compound; acetyl-CoA

• 4 carbon compound; acetyl-CoA

• 4 carbon compound; citric acid

• 6 carbon compound; citric acid

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

• 1 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

NGSS.HS-LS2-3