Citric Acid Cycle Quiz

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Questions and Answers

What is another common name for the citric acid cycle?

  • Glycolysis
  • Electron transport chain
  • Tricarboxylic acid cycle (correct)
  • Pentose phosphate pathway

The citric acid cycle occurs in the cytoplasm of the cell.

False (B)

What molecule combines with acetyl CoA in the citric acid cycle?

Oxaloacetate

The first molecule formed in the citric acid cycle is _____

<p>citrate</p> Signup and view all the answers

Which of the following products is NOT generated during the citric acid cycle?

<p>Glucose (A)</p> Signup and view all the answers

The main function of the citric acid cycle is to harvest bond energy.

<p>True (A)</p> Signup and view all the answers

Who is the citric acid cycle named after?

<p>Hans Krebs</p> Signup and view all the answers

Match the terms related to the citric acid cycle:

<p>Acetyl CoA = Starting material from glucose Citrate = First product formed NADH = Energy carrier Carbon dioxide = Byproduct released</p> Signup and view all the answers

Flashcards

Citric Acid Cycle

Central part of cellular respiration. Starts with acetyl CoA and harvests energy as NADH, FADHâ‚‚, and ATP.

Acetyl CoA

Key starting molecule for the citric acid cycle, produced during the oxidation of pyruvate.

TCA Cycle

Another name for the citric acid cycle, based on the three carboxyl groups in the early intermediates.

Krebs Cycle

Another name for the citric acid cycle, honoring its discoverer.

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Mitochondrial Matrix

Location where the citric acid cycle occurs within a cell.

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Oxaloacetate

Four-carbon acceptor molecule that combines with acetyl CoA in the first step of the citric acid cycle.

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Citrate

Six-carbon molecule formed when oxaloacetate combines with acetyl CoA.

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