Chapter 26 Nutrition and Metabolism

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1

The process of glycolysis results in net gain of ____ ATP

2

2

The process called ____ is the synthesis of glucose from noncarbohydrates such as fats and amino acids

gluconeogenesis

3

Rank the events of cellular respiration in the correct order

glycolysis

transition reaction (formation of acetyl CoA)

citric acid (krebs) cycle

electron transport chain

4

The products of complete glucose catabolism (oxidation) include

water

ATP

carbon dioxide

5

Glycolysis occurs in the ______ of the cell

cytosol

6

Define glycogenesis

production of glycogen

7

Choose the number of net ATP yielded during each phase of aerobic respiration if starting with one glucose molecule

28 ATP from the electron transport chain

2 ATP from glycolysis

2 ATP from citric acid cycle

8

The _____ cycle is a cyclic series of reactions that results in the complete breakdown of nutrient molecules into CO2, NADH, FADH2, water, and ATP.

citric acid

9

Describe when glycogenolysis would occur

A while after a meal, as blood glucose levels drop

10

Describe what happens to pyruvic acid in the presence of oxygen

completes aerobic respiration

11

In the absence of oxygen, ATP is produced via an anaerobic process called ______

fermentation

12

Describe the reaction called phosphorylation

addition of inorganic phosphate to an organic molecule

13

The maximum number of ATP generated via aerobic respiration per glucose molecule is _____

32

14

List the end-products of the complete aerobic oxidation of glucose

carbon dioxide

water

ATP

15

List the three pathways by which glucose can be catabolized

anaerobic fermentation

aerobic respiration

glycolysis

16

The liver oxidizes lactic acid back to pyruvic acid when _____ becomes available again

oxygen

17

In anaerobic fermentation, NADH donates a part of electrons to ______ acid, thus reducing it to ______ acid and regenerating NAD

pyruvic; lactic

18

List the segments of the aerobic respiration pathway

citric acid cycle

electron transport chain

glycolysis

production of acetyl CoA

19

The final electron acceptor in the electron transport chain is _______

oxygen

20

Describe the electron transport chain

Series of oxidation reduction reactions occurring across the inner membrane of the mitochondria leading to the production of ATP