Cellular Respiration Quiz

Which is a product of glycolysis?

• 2 molecules of pyruvic acid

• 1 molecule of glucose

• NAD+

• oxygen

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

Glycolysis requires oxygen

• True

• False

Which of these is broken down into pyruvic acid?

• glucose

• oxygen

• water

After the NAD+ receives electrons, what does it change to?

• ATP

• NADH

• ADP

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

How many ATP molecules are required to start glycolysis?

• Four

• Three

• Two

• One

For the two pyruvates that enter from glycolysis, the prep steps and the Krebs cycle will make:

• 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

In the Krebs Cycle, 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; 6-carbon compound

• 6 carbon compound; citric acid