Chapter 7

Question 1

Define Respiration

Answer 1

How an organism obtains energy

Question 2

Define Heterotrophs

Answer 2

Live on organic compounds produced by other organisms

Question 3

Define Autotrophs

Answer 3

Organisms that produce their own organic molecules thru photosynthesis

Question 4

Define Cellular Respiration

Answer 4

A series of reactions

Question 5

Define Oxidation

Answer 5

Loss of electrons

Question 6

Define Dehydrogenations

Answer 6

Lost electrons accompanied by loss of proton (1:1)

Question 7

During redox, electrons carry

Answer 7

energy from one molecule to another

Question 8

NAD+ is a ____ ____ that accepts…

Answer 8

electron carrier, accepts 2 electrons and 1 proton, making NADH

Question 9

Redox is

Answer 9

REVERSIBLE

Question 10

Anaerobic’s Final Electron is

Answer 10

INORGANIC

Question 11

Aerobic’s Final Electron is

Answer 11

OXYGEN

Question 12

Fermentation’s Final Electron is

Answer 12

ORGANIC

Question 13

cells use ___ to drive endergonic reactions

Answer 13

ATP

Question 14

2 mechanisms for synthesis

Answer 14

1. Substrate Level Phosphorylation
2. Oxidative Phosphorylation

Question 15

Explain Substrate Level Phosphorylation

Answer 15

Transfers phosphate group to ADP

Question 16

Explain Oxidative Phosphorylation

Answer 16

ATP synthase uses energy from a protein gradient

Question 17

Oxidation Of Glucose, 4 steps involved

Answer 17

1. Glycolysis
2. Pyruvate Oxidation
   3.Krebs Cycle
3. Electron Transport

Question 18

Glycolysis occurs in the

Answer 18

Cytoplasm

Question 19

Glycosis converts

Answer 19

1 Glucose (6 carbons) to 2 Pyruvate (3 carbons)

Question 20

Glycolysis ends in a net production of

Answer 20

2 ATP Molecules

Question 21

NADH must be recycled in order for

Answer 21

Glycolysis to continue

Question 22

NADH must be recycled by either…

Answer 22

1. Aerobic Respiration or 2.Fermentation

Question 23

In aerobic respiration, __ is available but in fermentation __ is not available

Answer 23

o2, o2

Question 24

The Fate of a Pyruvate is dependent on

Answer 24

o2 availability

Question 25

If o2 is present in pyruvate

Answer 25

it is oxidized to acetyl-coA

Question 26

If 02 is not present in pyruvate

Answer 26

it is reduced in order to oxidize NADH into NAD+

Question 27

Pyruvate Oxidation in Eukaryotes occurs in the

Answer 27

Mitochondria

Question 28

Pyruvate Oxidation in Prokaryotes occurs in the

Answer 28

Plasma Membrane

Question 29

The Krebs Cycle occurs in the

Answer 29

Mitochondria

Question 30

The Krebs Cycle oxidizes

Answer 30

the Acetyl Group from Pyruvate