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Cellular Respiration Quiz

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Questions and Answers

What is the primary function of ATP in cells?

To store genetic information
To serve as a primary energy currency (correct)
To facilitate enzyme activity
To transport molecules across membranes

Which step of cellular respiration directly produces carbon dioxide?

Electron transport chain
Glycolysis
Krebs/Citric Acid Cycle (correct)
Acetyl CoA Conversion

How much ATP is produced from one molecule of glucose during cellular respiration?

Net gain of 36 ATP
Net gain of 30 ATP (correct)
Net gain of 28 ATP
Net gain of 2 ATP

What is the role of electron carriers like NADH and FADH2 in cellular respiration?

<p>To transport electrons to the electron transport chain (B)</p> Signup and view all the answers

During glycolysis, how are the 6 carbon molecules of glucose converted?

<p>Into two 3C molecules (A)</p> Signup and view all the answers

Flashcards

Cellular Respiration

The process by which cells break down glucose to release energy in the form of ATP.

Glycolysis

The process by which glucose is split into two pyruvate molecules, generating a small amount of ATP and NADH.

Acetyl CoA Conversion

The process by which pyruvate is converted into Acetyl CoA, a molecule that enters the Krebs cycle.

Krebs/Citric Acid Cycle

A series of reactions that break down Acetyl CoA, generating ATP, NADH, and FADH2.

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Electron Transport Chain

A series of protein complexes that use electrons from NADH and FADH2 to generate a proton gradient across a membrane, which is then used to produce ATP.