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Understanding the TCA Cycle

Understanding the TCA Cycle

Assessment

Interactive Video

Biology

11th - 12th Grade

Practice Problem

Hard

Created by

Evelyn Hayes

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of the TCA cycle discussed in this lesson?

Electron Transport Chain

Glycolysis

TCA Cycle

Photosynthesis

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of the TCA cycle?

To produce glucose

To generate NADH and FADH2

To break down fatty acids

To synthesize proteins

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule marks the first step in the TCA cycle?

Pyruvate

Oxaloacetate

Acetal COA

Citrate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During which step is the first NADH molecule produced in the TCA cycle?

Suinate to Fumemerate

Isocitrate to Alpha Ketoglutarate

Citrate to Isocitrate

Alpha Ketoglutarate to Suinal COA

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the rate-limiting enzyme of the TCA cycle?

Alpha Ketoglutarate Dehydrogenase

Isocitrate Dehydrogenase

Malate Dehydrogenase

Citrate Synthase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule stimulates the TCA cycle?

FADH2

ADP

NADH

ATP

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme converts citrate to isocitrate?

Isocitrate Dehydrogenase

Fumarase

Citrate Synthase

Aconitase

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