Chapter 9 Quiz

In glycolysis, what starts the process of glucose oxidation?

ATP

Which process is not part of the cellular respiration pathway that produces large amounts of ATP in a cell?

Fermentation

Which step of the cellular respiration pathway can take place in the absence of oxygen?

Glycolysis

Which of these is NOT a product of the citric acid cycle?

acetyl CoA

For each glucose that enters glycolysis, _____ NADH + H+ are produced by the citric acid cycle.

6

Which of these is NOT a product of glycolysis?

FADH2

For each glucose that enters glycolysis, _____ acetyl CoA enter the citric acid cycle.

2

In glycolysis there is a net gain of _____ ATP.

2 ATP

How many NADH are produced by glycolysis?

2 NADH

Which of these enters the citric acid cycle?

Acetyl CoA

During electron transport, energy from _____ is used to pump hydrogen ions into the _____.

NADH and FADH2 ... intermembrane space

Which molecule is metabolized in a cell to produce energy "currency" in the form of ATP?

glucose

The proximate (immediate) source of energy for oxidative phosphorylation is _____.

kinetic energy that is released as hydrogen ions diffuse down their concentration gradient

In muscle cells, fermentation produces _____.

lactate and NAD+

In cellular respiration, most ATP molecules are produced by _____.

oxidative phosphorylation

The final electron acceptor of cellular respiration is _____

oxygen

In fermentation _____ is reduced and _____ is oxidized.

pyruvate ... NADH

In the citric acid cycle, ATP molecules are produced by _____

substrate-level phosphorylation