Biology Chapter on Aerobic Respiration

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Questions and Answers

What is the primary location of aerobic respiration in eukaryotic cells?

Ribosomes
Nucleus
Mitochondria (correct)
Cytoplasm

How much more ATP does aerobic respiration produce compared to glycolysis?

10x more
25x more
15x more
20x more (correct)

Which of the following is NOT a product of the Krebs cycle?

ATP
O₂ (correct)
Electron carriers
CO₂

Which process in aerobic respiration involves the breakdown of pyruvic acid?

<p>Krebs cycle (C)</p> Signup and view all the answers

Which statement about the electron transport chain is incorrect?

<p>It produces a small amount of CO₂. (B)</p> Signup and view all the answers

Flashcards

Aerobic Respiration

A metabolic process that occurs in the mitochondria of eukaryotic cells, producing a large amount of ATP from glucose using oxygen.

Krebs Cycle

The first stage of aerobic respiration, where pyruvic acid is broken down into carbon dioxide, ATP, and molecules used in the electron transport chain.

Electron Transport Chain

The second stage of aerobic respiration, where electrons are passed from molecule to molecule, generating ATP.

Pyruvic Acid

A key molecule produced by glycolysis, that is the starting point of the Krebs cycle.

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ATP

The main energy currency of the cell, produced in large quantities during aerobic respiration.

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Study Notes

Aerobic Respiration

Occurs in the mitochondria of eukaryotic cells
Produces 20 times more ATP than glycolysis
Two main stages:
- Krebs cycle
- Electron transport chain

Krebs Cycle

Pyruvic acid (from glycolysis) breaks down into carbon dioxide (CO2)
Produces ATP (small amount)
Molecules used in the electron transport chain

Electron Transport Chain

Similar to electron transport in photosynthesis
Occurs in the mitochondria of eukaryotic cells

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Description

This quiz focuses on aerobic respiration, outlining the processes that occur in the mitochondria of eukaryotic cells. It covers how ATP is produced during the Krebs cycle and electron transport chain, and compares it to glycolysis. Test your knowledge on these essential biological concepts.