Chapter 8 study guide

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What is the total ATP yield per glucose in organisms that carry out fermentation?

2

How much ATP is generated in the electron transport system

30 ATP

Proton pumps are an example of _____ transport.

Active

What is a by-product of the Krebs cycle?

Carbon dixoide

During glycolysis, ______ is oxidized and ______ is reduced.

Glucose; NAD+

1. Which of these represents a proton?

Hydrogen ion

What two main types of by-products are produced in fermentation?

Lactic acid and alcohol

What is oxidized at the beginning of the electron transport system?

NADH and FADH2

Glucolysis start with and end with

One glucose and finish w/ 2 pyruvic acid

What is reduced at the end of the electron transport system

Oxygen

What serves as an electron acceptor in fermentation?

Pyruvate or other organic molecule

Where do the electrons for the electron transport system come from

Reduced coenzymes

What is the main purpose for fermentation reactions?

Regenerate NAD molecules for glycolysis

How is anaerobic respiration different from aerobic respiration

The final electron acceptor

The energy for the synthesis of ATP in the electron transport chain is provided by

a proton gradient


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