Cellular Respiration

Question 1

Flows of energy into an ecosystem

Answer 1

Enter as sunlight and leaves as heat

Question 2

Photosynthesis generates ____ and ____,
which are used in cellular respiration.

Answer 2

O2 and organic molecules

Question 3

The breakdown of organic molecules is

Answer 3

Exergonic

Question 4

It is a partial degradation of sugars that
occurs without O2

Answer 4

Fermentation

Question 5

It consumes organic molecules and
O2 and yields ATP

Answer 5

Aerobic respiration

Question 6

A type of respiration but consumes compounds other than O2

Answer 6

Anaerobic respiration

Question 7

This includes both aerobic and anaerobic respiration but is often used to refer to aerobic respiration

Answer 7

Cellular respiration

Question 8

Chemical equation of cellular respiration

Answer 8

C6H12O6 + O2 = 6CO2 + 6H2O + energy (ATP + heat)

Question 9

Chemical reactions that transfer electrons between reactants are called

Answer 9

Redox Reaction

Question 10

A substance loses electrons

Answer 10

Oxidation

Question 11

A substance gains electrons

Answer 11

Reduction

Question 12

Electron donor

Answer 12

Reducing Agent

Question 13

Electron receptor

Answer 13

Oxidizing Agent

Question 14

During cellular respiration, the fuel (such as glucose) is ___, and O2 is ___

Answer 14

oxidized, reduced

Question 15

Electrons from organic compounds are usually first transferred to

Answer 15

NAD+

Question 16

It functions as an oxidizing agent during cellular respiration

Answer 16

NAD+

Question 17

represents stored energy

Answer 17

NADH

Question 18

NADH passes the electrons to the ____

Answer 18

Electron transport chain

Question 19

3 Stages of Cellular Respiration

Answer 19

Glycolysis, Citric acid cycle, Oxidative Phosphorylation

Question 20

The process that generates most of the ATP is called

Answer 20

Oxidative Phosphorylation

Question 21

TRUE or FALSE: Oxidative phosphorylation accounts for almost 94% of the ATP generated by cellular respiration

Answer 21

FALSE

Question 22

A smaller amount of ATP is formed in glycolysis and the citric acid cycle by

Answer 22

Substrate-level Phosphorylation

Question 23

TRUE or FALSE: Glycolysis harvests chemical energy by reducing glucose to pyruvate

Answer 23

FALSE

Question 24

How many Pyruvate molecules that breaking of glycolysis produced?

Answer 24

2