Chapter 7 Questions

What is the correct sequence of events for generating 38 ATP if oxygen is always present? ​1. Glycolysis ​2. Fermentation ​3. Pyruvate oxidation ​4. Electron transport system ​5. Citric acid cycle

1, 3, 5, 4

Which of the following is a necessary step in order for the end product of glycolysis to enter Kreb's cycle? (Select all that apply) Option A : Coenzyme A is added to acetate to form acetyl CoA. Option B : NAD+ is reduced to NADH. Option C : Pyruvate is changed into acetate and carbon dioxide. Option D : Pyruvate is changed into lactic acid.

A, B, C

ATP generated by substrate-level phosphorylation, oxidative phosphorylation and photophosphorylation can be used by cells (Select all that apply) Option A : to fuel anabolic reactions. Option B : for movement. Option C : for active processes across plasma membranes. Option D : for DNA replication.

A, B, C, D

Select the CORRECT statement. (Select all that apply) Option A : Proteins can be broken down into amino acids which can be used to supply energy for cells. Option B : Fatty acids can be used to generate ATP in a process called beta-oxidation. Option C : Amino acids can be converted to glucose and used in cellular respiration. Option D : Fatty acids can be converted to glucose and used in cellular respiration.

A, B, C, D

What organic molecules can humans and E. coli both use as their carbon source? (Select all that apply) Option A : proteins Option B : nucleic acids Option C : lipids Option D : carbohydrates

A, B, C, D

When ATP is hydrolyzed into ADP, the energy can be used (Select all that apply) Option A : for endergonic reactions. Option B : to power locomotion. Option C : for active transport. Option D : to fuel bioluminescence.

A, B, C, D

Which of the following molecules is capable of participating in coupled redox reactions in eukaryotes and prokaryotes? (Select all that apply) Option A : FADH Option B : NADH Option C : NAD+ Option D : FADH2

A, B, C, D

Substrate-level phosphorylation (Select all that apply) Option A : involves the transfer of a phosphate group to ADP. Option B : requires reaction coupling. Option C : is an exergonic process. Option D : is the process used to generate ATP.

A, B, D

A + B -> AB ​The following equation is an example of a/an (Select all that apply) Option A : anabolic reaction. Option B : exergonic reaction. Option C : endergonic reaction. Option D : catabolic reaction.

A, C

_____________ is/are shuttled and/or transferred during the electron transport system. (Select all that apply) Option A : Hydrogen ions Option B : ATP Option C : Electrons Option D : ADP

A, C

During glycolysis, which of the following reactions are energy-consuming? (Select all that apply) Option A : production of ADP Option B : production of ATP Option C : production of NADH Option D : production of NAD+

B, C

During glycolysis, which of the following reactions are energy-releasing? (Select all that apply) Option A : production of ATP Option B : production of ADP Option C : production of NAD+ Option D : production of NADH

B, C

Glycolysis (Select all that apply) Option A : is also known as the citric acid cycle. Option B : generates two ATP molecules. Option C : involves the oxidation of one glucose molecule into two pyruvate molecules. Option D : is used by members of the archaea to extract energy.

B, C, D

AB -> A + B ​The following equation is an example of a/an (Select all that apply) Option A : anabolic reaction. Option B : endergonic reaction. Option C : catabolic reaction. Option D : exergonic reaction.

C, D

Select the CORRECT statement. Option A: A redox reaction is the same as an oxidation-reduction reaction. Option B: Oxidation and reduction reactions occur consecutively. Option C: Oxidation reactions gain electrons. Option D: Reduction reactions lose electrons.

Option A: A redox reaction is the same as an oxidation-reduction reaction.

Why does chemiosmosis occur in the plasma membrane of aerobic bacteria? Option A: They do not have mitochondria. Option B: They do not have a nuclear region. Option C: They do not have chloroplasts. Option D: They do not have thylakoid membranes.

Option A: They do not have mitochondria.

Animal cells can break down glucose into pyruvic acid but they can also store excess glucose as glycogen in a process called glycogenesis. Option A: True Option B:False

Option A: True

The catabolism of lipids as well as proteins is useful in generating ATP. Option A: True Option B:False

Option A: True

What happens to the NADH nad FADH2 molecules produced during the critic acid cycle? Option A: They re-enter glycolysis and proceed to fermentation. Option B: They are recycled as acetyl COA Option C: They are used by ETS to generate ATP and water. Option D: They have no value and are discharged from cells as waste.

Option C: They are used by ETS to generate ATP and water.

All of the following are products from the Kreb's cycle EXCEPT Option A: 2 ATP. Option B: 6 NADH. Option C: 2 FADH2. Option D: 2 pyruvate molecules.

Option D: 2 pyruvate molecules.