Chapter 7

Cell Respiration

Chemical reaction in which energy is released in support of cell life is

A. B. C. D.

25% 25%25%25%A. PhotosynthesisB. ChemosynthsisC. OxidationD. Cell respiration

During cell respiration, energy is transferred from

A. B. C. D.

25% 25%25%25%A. Enzyme to glucoseB. Glucose to ATPC. ATP to glucoseD. Glucose to CO2 and

water

Less ATP is produced in anaerobic respiration than aerobic respiration because

A. B. C. D.

25% 25%25%25%A. Fewer bonds are brokenB. O2 is energy richC. Fewer CO2 molecules

are producedD. ATP is invested in the

process

The first stage of cell respiration takes place in the

A. B. C. D.

25% 25%25%25%A. NucleusB. VacuolesC. MitochondriaD. cytoplasm

Living organisms use the potential energy stored in

A. B. C. D.

25% 25%25%25%A. OilB. WaterC. OxygenD. Glucose

The compounds CO2 and H2O

A. B. C. D.

25% 25%25%25%A. The reactants in cellular

respirationB. The reactants in

photosynthesisC. Products in

photosynthesisD. Products in fermentation

The compounds CO2 and H2O

A. B. C. D.

25% 25%25%25%A. More potential energy than

glucoseB. Are produced ONLY by

heterotrophsC. Both enter a plant by soilD. Have less potential energy

than glucose

Which organism(s) do NOT undergo fermentation

A. B. C. D.

25% 25%25%25%A. PlantsB. bacteriaC. AnimalsD. yeast

Which of the following is produced in anaerobic respiration in the muscle cells

A. B. C. D.

25% 25%25%25%A. C6H12O6B. CO2C. C2H5OHD. C3H6O3

This accumulates in the muscles and causes fatigue, when oxygen is depleted

A. B. C. D.

25% 25%25%25%A. CO2B. Lactic acidC. Pyruvic acidD. Glucose

What is the first step in cellular respiration?

A. B. C. D.

25% 25%25%25%A. Kreb cycleB. FermentationC. Electron transport

chainD. Glycolysis

The reactants of this step of cellular respiration are acetyl CoA and oxaloacetic acid

A. B. C. D.

25% 25%25%25%A. FermentationB. GlycolysisC. Citric acid cycleD. Electron transport

chain

In aerobic respiration, what is the final electron acceptor

A. B. C. D.

25% 25%25%25%A. CO2B. NAD+C. oxygenD. FAD+

In aerobic respiration, what is the NET amount of ATP produced

A. B. C. D.

25% 25%25%25%A. 34B. 36C. 38D. 40

How many CO2 are produced in the Kreb’s cycle?

A. B. C. D. E.

20% 20% 20%20%20%A. 2B. 3C. 4D. 5E. 6

In aerobic respiration, what is the total number of hydrogens removed?

A. B. C. D.

25% 25%25%25%A. 8B. 16C. 24D. 36

In cellular respiration, what is the amount of activation energy needed?

A. B. C. D.

25% 25%25%25%A. 1 ATPB. 2ATPC. 3 ATPD. 4 ATP

In aerobic respiration, a total of 4 ATP are produced in this stage

A. B. C. D.

25% 25%25%25%A. GlycoylsisB. Forming acetyl CoAC. Kreb’s cycleD. Electron Transport

Chain

The first compound formed in the Kreb’s cycle is

A. B. C. D.

25% 25%25%25%A. Citric acidB. Lactic acidsC. Pyruvic acidD. Hydrochloric acid

What is the net amount of ATP produced in anaerobic respiration?

A. B. C. D.

25% 25%25%25%A. 40 ATPB. 38 ATPC. 36 ATPD. 2 ATP

What is the total amount of CO2 released in the Kreb’s cycle?

A. B. C. D.

25% 25%25%25%A. 2 CO2B. 4 CO2C. 6 CO2D. 8 CO2

Removal of hydrogens is called …

A. B.

50%50%A. ReductionB. Oxidation

Which of the following is an important molecule recycled by both lactic acid and alcoholic fermentation?

A. B. C. D.

25% 25%25%25%A. ATPB. NADH2C. CO2D. NAD+

Animals cannot make their own food and are therefore called …

A. B. C. D.

25% 25%25%25%A. HeterotrophsB. AutotrophsC. PhotosyntheticD. chemosynthetic

The aerobic stage of cellular respiration takes place in the …

A. B. C.

33% 33%33%A. CytoplasmB. Cell membraneC. Mitochondria

In the second step of aerobic respiration, pyruvic acid is converted into CO2, NADH2, and …

A. B. C. D.

25% 25%25%25%

A. Citric acidB. Oxaloacetic acidC. Acetyl CoAD. Lactic acid

What two products of the Kreb’s cycle drive the Electron Transport Chain?

A. B. C. D.

25% 25%25%25%A. H2O and CO2B. Acetyl CoA and ATPC. Oxaloacetic acid and

citric acidD. NADH2 and FADH2

Where in the mitochondria does the Kreb’s cycle take place?

A. B. C. D.

25% 25%25%25%A. MatrixB. Cell membraneC. CristaeD. Cell wall

Where in the mitochondria is the electron transport chain located?

1 2 3 4

25% 25%25%25%1. Matrix2. Cell membrane3. Cristae4. Cell wall

Where would the Kreb’s cycle take place in the structure below

1 2 3

33% 33%33%

A.

B

CD

1. A 2.. B3.. C

If oxygen is not present, what is the final H accepter?

1 2 3 4

25% 25%25%25%1.NADH2

2.Water3. pyruvic acid4.ATP

How many total NADH2 are formed in aerobic respiration?

1 2 3 4

25% 25%25%25%1.22.43.84.10

In fermentation, ethyl alcohol is produced from this molecule

1 2 3 4

25% 25%25%25%1.Lactic acid2.NAD3.FAD4.Pyruvic Acid

Which two molecules drive the production of ATP in the ETC?

1 2 3 4

25% 25%25%25%1.Water/ carbon dioxide2.NADH2/FADH23.Ethyl alcohol/ATP4.Citric Acid/Acetyl CoA

Process that occurs between blood cells and body cells

1 2 3 4

25% 25%25%25%1.Breathing2.Gas exchange3.Respiration4.Combustion

The process of photosynthesis is an_____process

1 2

50%50%1.Endergonic2.Exergonic