Question 1

Beta oxidation of fatty acids produces substrates for the (Calvin-Benson/Entner-Doudoroff/Krebs) cycle.

Accepted Answer

Krebs

Question 2

During glycolysis, glucose is converted to (pyruvic/acetic/lactic) acid, a molecule that can be used in either fermentation or respiration pathways.

Accepted Answer

pyruvic

Question 3

Which of the following is/are common to chemiosmosis and the light -dependent reactions of photosynthesis?

Accepted Answer

A)  reduction of NADP+ only 
B)  a proton gradient only 
C)  electron transport only 
D)  both electron transport and a proton gradient 
E)  electron transport, a proton gradient, and reduction of NADP + 
A)  reduction of NADP+ only 
B)  a proton gradient only 
C)  electron transport only 
D)  both electron transport and a proton gradient 
E)  electron transport, a proton gradient, and reduction of NADP + D

Question 4

The habitat of a photosynthetic organism is largely determined by the

Accepted Answer

A)  amount of available hydrogen. 
B)  chlorophylls it produces. 
C)  carbohydrates it can metabolize. 
D)  products of its light-independent reactions. 
E)  amount of available oxygen. 
A)  amount of available hydrogen. 
B)  chlorophylls it produces. 
C)  carbohydrates it can metabolize. 
D)  products of its light-independent reactions. 
E)  amount of available oxygen.

Question 5

The (activation/inhibition/saturation) point of an enzyme is reached when all active sites have bound substrate molecules.

Accepted Answer

The answer of The (activation/inhibition/saturation) point of an enzyme is...

Question 6

Only Photosystem I is required for (cyclic/noncyclic) photophosphorylation to occur.

Accepted Answer

The answer of Only Photosystem I is required for (cyclic/noncyclic)...

Question 7

Anabolic reactions may be characterized as

Accepted Answer

A)  breaking large molecules into smaller molecules. 
B)  breaking large molecules into smaller molecules to produce ATP. 
C)  exergonic. 
D)  producing ATP. 
E)  forming large molecules from smaller molecules. 
A)  breaking large molecules into smaller molecules. 
B)  breaking large molecules into smaller molecules to produce ATP. 
C)  exergonic. 
D)  producing ATP. 
E)  forming large molecules from smaller molecules.

Question 8

All of the following are ways in which cells regulate metabolism EXCEPT

Accepted Answer

A)  isolation of various enzymes within membranous organelles. 
B)  synthesis of a catabolic enzyme only when its substrate is available. 
C)  use of the same coenzymes for anabolic and catabolic reactions that share substrate molecules. 
D)  feedback inhibition by end products. 
E)  synthesis or degradation of membrane transport proteins. 
A)  isolation of various enzymes within membranous organelles. 
B)  synthesis of a catabolic enzyme only when its substrate is available. 
C)  use of the same coenzymes for anabolic and catabolic reactions that share substrate molecules. 
D)  feedback inhibition by end products. 
E)  synthesis or degradation of membrane transport proteins.

Question 9

Waste products such as sulfur are produced by (oxygenic/anoxygenic/aerobic) photosynthetic bacteria as they obtain electrons for noncyclic photophosphorylation.

Accepted Answer

The answer of Waste products such as sulfur are produced...

Question 10

During chemiosmosis, electrons are pumped across a membrane to produce ATP.

Accepted Answer

A) True 
 B)False

Question 11

Laboratory fermentation tests often include a pH indicator because many bacteria produce (hydroxyls/bases/acids) as they ferment carbohydrates.

Accepted Answer

The answer of Laboratory fermentation tests often include a pH...

Question 12

The majority of the energy captured in the Krebs cycle is in the form of (ATP/FADH2/NADH).

Accepted Answer

The answer of The majority of the energy captured in...

Question 13

How many ATP molecules can theoretically be produced from the NADH generated by the catabolism of a molecule of glucose during aerobic respiration?

Accepted Answer

A)  4 
B)  30 
C)  36 
D)  38 
E)  34 
A)  4 
B)  30 
C)  36 
D)  38 
E)  34

Question 14

As the concentration of substrate increases, the activity of the enzyme decreases.

Accepted Answer

A) True 
 B)False

Question 15

The pentose phosphate pathway generates all the necessary precursors for nucleotide biosynthesis.

Accepted Answer

A) True 
 B)False

Question 16

Non-cyclic photophosphorylation requires photosystem II.

Accepted Answer

A) True 
 B)False

Question 17

The catalytic component of a ribozyme is

Accepted Answer

A)  an apoenzyme. 
B)  a cofactor. 
C)  RNA. 
D)  a coenzyme. 
E)  FADH. 
A)  an apoenzyme. 
B)  a cofactor. 
C)  RNA. 
D)  a coenzyme. 
E)  FADH.

Question 18

Glycolysis begins with a(n) stage(s).

Accepted Answer

A)  energy-conservation 
B)  energy-investment 
C)  lysis 
D)  lysis and energy-conservation 
E)  energy-investment and conservation 
A)  energy-conservation 
B)  energy-investment 
C)  lysis 
D)  lysis and energy-conservation 
E)  energy-investment and conservation

Question 19

Compare and contrast cyclic and noncyclic photophosphorylation.

Accepted Answer

Both cyclic photophosphorylation and non

Question 20

The ability to utilize different metabolites for cellular respiration is one method for identifying bacteria.

Accepted Answer

A) True 
 B)False

Exam 5: Microbial Metabolism

Beta oxidation of fatty acids produces substrates for the (Calvin-Benson/Entner-Doudoroff/Krebs) cycle.

During glycolysis, glucose is converted to (pyruvic/acetic/lactic) acid, a molecule that can be used in either fermentation or respiration pathways.

Which of the following is/are common to chemiosmosis and the light -dependent reactions of photosynthesis?

The habitat of a photosynthetic organism is largely determined by the

The (activation/inhibition/saturation) point of an enzyme is reached when all active sites have bound substrate molecules.

Only Photosystem I is required for (cyclic/noncyclic) photophosphorylation to occur.

Anabolic reactions may be characterized as

All of the following are ways in which cells regulate metabolism EXCEPT

Waste products such as sulfur are produced by (oxygenic/anoxygenic/aerobic) photosynthetic bacteria as they obtain electrons for noncyclic photophosphorylation.

During chemiosmosis, electrons are pumped across a membrane to produce ATP.

Laboratory fermentation tests often include a pH indicator because many bacteria produce (hydroxyls/bases/acids) as they ferment carbohydrates.

The majority of the energy captured in the Krebs cycle is in the form of (ATP/FADH2/NADH).

How many ATP molecules can theoretically be produced from the NADH generated by the catabolism of a molecule of glucose during aerobic respiration?

As the concentration of substrate increases, the activity of the enzyme decreases.

The pentose phosphate pathway generates all the necessary precursors for nucleotide biosynthesis.

Non-cyclic photophosphorylation requires photosystem II.

The catalytic component of a ribozyme is

Glycolysis begins with a(n) stage(s).

Compare and contrast cyclic and noncyclic photophosphorylation.

The ability to utilize different metabolites for cellular respiration is one method for identifying bacteria.

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Nutrition and Growth

Microbial Genetics

Recombinant Dna Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Aids and Other Immune Disorders

Microbial Diseases of the Skin and Wounds

Microbial Diseases of the Nervous System and Eyes

Microbial Cardiovascular and Systemic Diseases

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Applied and Environmental Microbiology

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