Bio Chapter 7

Front 1

A major ion involved in moving electrons through complex III is:

Back 1

Iron

Front 2

The net results of glycolysis are

Back 2

2 NADH and 2 ATP

Front 3

Energy is ____ during the transfer of electrons in cellular respiration. This helps drive ______ reactions.

Back 3

Released, Endergonic

Front 4

When proteins are hydrolyzed within cells, the amino acids may enter into the glucose catabolism pathway at which step?

Back 4

The Citric Acid Cycle

Front 5

When skeletal muscle cells have an insufficient oxygen supply, they use _______________ to generate ATP.

Back 5

Lactic acid fermentation

Front 6

Hydrogen ions are pumped across the membrane into the _____________ to produce an electrochemical gradient.

Back 6

Mitochondrial intermembrane space

Front 7

Molecules generated from butter will enter aerobic cellular respiration at

Back 7

Pyruvate oxidation

Front 8

Whenever a carbon atom is removed during the second stage of glucose metabolism, ___________ is produced.

Back 8

Carbon Dioxide

Front 9

When a compound loses an electron, it is said to be:

Back 9

Oxidized

Front 10

By the end of glycolysis, ___________ net ATP and _________ NADH molecules are produced.

Back 10

2;2

Front 11

Glycolysis is an ______________ reaction taking place in the ____________ of the cell.

Back 11

Anaerobic; cytoplasm

Front 12

Pellagra is a disease caused by a deficiency of nicotinamide. This substance is an important part of

Back 12

NADH and NADPH

Front 13

A molecule of ATP consists of:

Back 13

adenine, ribose, and 3 phosphate groups

Front 14

ATP, ADP, NADH, and NAD+ can increase or decrease enzyme activity by altering the structure of an enzyme. They are considered

Back 14

Allosteric Effectors

Front 15

How are the NADH and FADH2 molecules produced in the citric acid cycle utilized?

Back 15

They provide electrons and protons to the electron transport chain to create an H+ gradient across the inner mitochondrial membrane.

Front 16

Phosphofructokinase, a controlling enzyme of glycolysis, is inhibited by ___ and activated by ___.

Back 16

ATP;ADP

Front 17

Glycogen is hydrolyzed into ______________ in both the

Back 17

glucose monomers; liver and muscles

Front 18

An important step in glycolysis is the conversion of glucose-6-phosphate into fructose-6-phosphate by a(n):

Back 18

Isomerase

Front 19

Where does oxidation of pyruvate occur when oxygen is present?

Back 19

mitochondrial matrix

Front 20

___________________ generates 90% of the ATP made during aerobic glucose metabolism.

Back 20

Chemiosmosis

Front 21

What can not cross the mitochondrial cristae?

Back 21

acetyl CoA

Front 22

Where are most of the enzymes for the ETC located?

Back 22

inner mitochondrial membrane

Front 23

The citric acid cycle is an ______________ reaction taking place in the ____________ of the cell.

Back 23

aerobic ; mitochondria

Front 24

To produce water, oxygen must react with

Back 24

2 H ; 2 e-

Front 25

Bacteria do not contain mitochondria. How do some bacteria generate most of their ATP?

Back 25

glycolysis