Question 1

Photosynthesis occurs in chloroplasts of prokaryotes.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is not a process that regenerates ATP?

Accepted Answer

A)   oxidative phosphorylation
B)   reductive phosphorylation
C)   substrate-level phosphorylation
D)   photophosphorylationE) All of the above
F) A) and B)

Question 3

Which term refers to all of the chemical reactions of the cell?

Accepted Answer

A)   catabolism
B)   redox reactions
C)   phosphorylation
D)   metabolism
E)   cellular respirationF) C) and D)
G) D) and E)

Question 4

The process of forming glucose from various metabolic intermediates is called

Accepted Answer

A)   glycolysis.
B)   amphibolism.
C)   phosphorylation.
D)   amination.
E)   gluconeogenesis.F) C) and E)
G) A) and B)

Question 5

In addition to electrons, which of the following is also involved in electron transfer?

Accepted Answer

A)   ADP
B)   glucose
C)   carbon
D)   hydrogen
E)   carbon dioxideF) A) and B)
G) A) and C)

Question 6

In bacterial cells, the electron transport system is located in the

Accepted Answer

A)   cell membrane.
B)   mitochondria.
C)   chloroplasts.
D)   ribosomes.
E)   cytopl.F) C) and D)
G) C) and E)

Question 7

_____ reactions are anabolic reactions involving ligases for synthesis and the release of one water molecule for each bond formed.

Accepted Answer

A)   Reduction
B)   Condensation
C)   Oxidation
D)   TransferE) A) and D)
F) A) and C)

Question 8

Reactants are converted to products by

Accepted Answer

A)   enzymes releasing energy.
B)   breaking and forming bonds.
C)   enzymes binding to reactants.
D)   reactants releasing energy.E) B) and D)
F) C) and D)

Question 9

The principle sites of amphibolic interaction occur during

Accepted Answer

A)   glycolysis and photosynthesis.
B)   Krebs cycle and electron transport system.
C)   glycolysis and Krebs cycle.
D)   fermentation and Krebs cycle.
E)   fermentation and glycolysis.F) B) and D)
G) A) and D)

Question 10

Which of the following is not true of anaerobic respiration? v: 05_22_2015_QC_CS-15256

Accepted Answer

A)   involves glycolysis
B)   generates some ATP
C)   utilizes an electron transport system
D)   uses the same final electron acceptors as aerobic respirationE) All of the above
F) B) and D)

Question 11

As the electron transport carriers shuttle electrons, they actively pump _____ into the outer membrane compartment setting up a concentration gradient called the proton motive force.

Accepted Answer

A)   ATP
B)   phosphate
C)   hydrogen ions
D)   oxygen
E)   NADHF) B) and E)
G) C) and D)

Question 12

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

Accepted Answer

A) True 
 B)False

Question 13

ATP molecules are catalysts that lower the activation energy needed to initiate a reaction.

Accepted Answer

A) True 
 B)False

Question 14

Glyceraldehyde 3-phosphate is an intermediary of glycolysis that can also be utilized in biosynthetic pathways.

Accepted Answer

A) True 
 B)False

Question 15

An apoenzyme

Accepted Answer

A)   is part of a simple enzyme.
B)   is also called a coenzyme.
C)   is the protein part of a holoenzyme.
D)   is often an inorganic metal ion.
E)   is an RNA molecule.F) D) and E)
G) C) and E)

Question 16

Enzymes that function inside a cell are

Accepted Answer

A)   apoenzymes.
B)   exoenzymes.
C)   constitutive enzymes.
D)   regulated enzymes.
E)   endoenzymes.F) A) and B)
G) A) and E)

Question 17

A holoenzyme is a combination of a protein and one or more substances called

Accepted Answer

A)   substrates.
B)   apoenzymes.
C)   catalysts.
D)   cofactors.E) B) and D)
F) B) and C)

Question 18

Many exoenzymes from pathogens are virulence factors.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following are characteristics of the Calvin cycle?

Accepted Answer

A)   The Calvin cycle requires light.
B)   Nitrogen is fixed into an organic form during the Calvin cycle.
C)   The Calvin cycle produces glucose as an end product.
D)   The Calvin cycle produces carbon dioxide and water.
E)   All of these choices are correct.F) All of the above
G) B) and D)

Question 20

Hydrolysis reactions are catabolic reactions that use water to split the reactant into smaller subunits.

Accepted Answer

A) True 
 B)False

Exam 8: An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

The process of forming glucose from various metabolic intermediates is called

Correct AnswerverifiedShow Answer

The principle sites of amphibolic interaction occur during

Correct AnswerverifiedShow Answer

As the electron transport carriers shuttle electrons, they actively pump _____ into the outer membrane compartment setting up a concentration gradient called the proton motive force.

Correct AnswerverifiedShow Answer

ATP molecules are catalysts that lower the activation energy needed to initiate a reaction.

Correct AnswerverifiedShow Answer

Building block molecules for biosynthetic pathways come from the cell's catabolic pathways and from the environment.

Correct AnswerverifiedShow Answer

Hydrolysis reactions are catabolic reactions that use water to split the reactant into smaller subunits.

Correct AnswerverifiedShow Answer

Which of the following is not true of anaerobic respiration? v: 05_22_2015_QC_CS-15256

Correct AnswerverifiedShow Answer

Photosynthesis occurs in chloroplasts of prokaryotes.

Correct AnswerverifiedShow Answer

Glyceraldehyde 3-phosphate is an intermediary of glycolysis that can also be utilized in biosynthetic pathways.

Correct AnswerverifiedShow Answer

Which of the following is not a process that regenerates ATP?

Correct AnswerverifiedShow Answer

In addition to electrons, which of the following is also involved in electron transfer?

Correct AnswerverifiedShow Answer

Which term refers to all of the chemical reactions of the cell?

Correct AnswerverifiedShow Answer

Many exoenzymes from pathogens are virulence factors.

Correct AnswerverifiedShow Answer

Which of the following are characteristics of the Calvin cycle?

Correct AnswerverifiedShow Answer

In bacterial cells, the electron transport system is located in the

Correct AnswerverifiedShow Answer

_____ reactions are anabolic reactions involving ligases for synthesis and the release of one water molecule for each bond formed.

Correct AnswerverifiedShow Answer

Enzymes that function inside a cell are

Correct AnswerverifiedShow Answer

Reactants are converted to products by

Correct AnswerverifiedShow Answer

An apoenzyme

Correct AnswerverifiedShow Answer

A holoenzyme is a combination of a protein and one or more substances called

Correct AnswerverifiedShow Answer

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