Question 1

ATP is produced by the phosphorylation of __________.

Accepted Answer

The answer of ATP is produced by the phosphorylation of...

Question 2

Hydrolases are generally involved in __________ reactions.

Accepted Answer

A)  anabolic 
B)  catabolic 
C)  both anabolic and catabolic 
D)  neither anabolic nor catabolic 
E)  oxidation-reduction 
A)  anabolic 
B)  catabolic 
C)  both anabolic and catabolic 
D)  neither anabolic nor catabolic 
E)  oxidation-reduction

Question 3

What is the purpose of the light-dependent reactions of photosynthesis?

Accepted Answer

A)  production of ATP and NADPH 
B)  production of oxygen 
C)  production of ATP and NADH 
D)  carbon fixation 
E)  regeneration of NAD+ 
A)  production of ATP and NADPH 
B)  production of oxygen 
C)  production of ATP and NADH 
D)  carbon fixation 
E)  regeneration of NAD+

Question 4

All of the following are forms of oxidation EXCEPT

Accepted Answer

A)  loss of an electron. 
B)  loss of hydrogen atom. 
C)  a dehydrogenation event. 
D)  substrate level phosphorylation. 
E)  gain of an oxygen atom and its electrons. 
A)  loss of an electron. 
B)  loss of hydrogen atom. 
C)  a dehydrogenation event. 
D)  substrate level phosphorylation. 
E)  gain of an oxygen atom and its electrons.

Question 5

Compare and contrast cyclic and noncyclic photophosphorylation.

Accepted Answer

Both cyclic photophosphorylation and non

Question 6

Carbon dioxide is a by-product of which of the following?

Accepted Answer

A)  the Krebs cycle 
B)  glycolysis 
C)  chemiosmosis 
D)  the pentose phosphate pathway 
E)  electron transport 
A)  the Krebs cycle 
B)  glycolysis 
C)  chemiosmosis 
D)  the pentose phosphate pathway 
E)  electron transport

Question 7

Explain why the ATP yield from processes such as cellular respiration is generally given as a theoretical number.

Accepted Answer

The maximum yield of ATP from a single m

Question 8

In which of the following stages of glycolysis is ATP made?

Accepted Answer

A)  energy-investment stage 
B)  lysis stage 
C)  energy-conserving stage 
D)  both the energy-investment and the lysis stages 
E)  both the lysis and energy-conserving stages 
A)  energy-investment stage 
B)  lysis stage 
C)  energy-conserving stage 
D)  both the energy-investment and the lysis stages 
E)  both the lysis and energy-conserving stages

Question 9

Electrons are transferred in the Krebs cycle in the form of __________ atoms to NAD+ and FAD.

Accepted Answer

The answer of Electrons are transferred in the Krebs cycle...

Question 10

The __________ point of an enzyme is reached when all active sites have bound substrate molecules.

Accepted Answer

The answer of The __________ point of an enzyme is...

Question 11

Which of the following statements concerning reduction reactions is FALSE?

Accepted Answer

A)  An electron acceptor gains an electron. 
B)  They are coupled with oxidation reactions. 
C)  They frequently involve electron carrier molecules. 
D)  An electron acceptor becomes more positively charged. 
E)  A molecule gains a hydrogen atom. 
A)  An electron acceptor gains an electron. 
B)  They are coupled with oxidation reactions. 
C)  They frequently involve electron carrier molecules. 
D)  An electron acceptor becomes more positively charged. 
E)  A molecule gains a hydrogen atom.

Question 12

Glucose is used as an energy source only when proteins and fats are not available.

Accepted Answer

A) True 
 B)False

Question 13

The conversion of pyruvic acid to acetyl-CoA can be described as __________, because a molecule of CO2 is produced as a by-product.

Accepted Answer

A)  decarboxylation 
B)  amination 
C)  respiration 
D)  oxidation 
E)  phosphorylation 
A)  decarboxylation 
B)  amination 
C)  respiration 
D)  oxidation 
E)  phosphorylation

Question 14

Membranes containing the photosystems necessary for photosynthesis are called

Accepted Answer

A)  thylakoids. 
B)  grana. 
C)  stroma. 
D)  chlorophylls. 
E)  cytochromes. 
A)  thylakoids. 
B)  grana. 
C)  stroma. 
D)  chlorophylls. 
E)  cytochromes.

Question 15

Types of chlorophyll differ in the

Accepted Answer

A)  amount of light they can absorb. 
B)  amount of ATP they produce. 
C)  number of electrons they release. 
D)  amount of oxygen they utilize. 
E)  wavelengths of light they absorb. 
A)  amount of light they can absorb. 
B)  amount of ATP they produce. 
C)  number of electrons they release. 
D)  amount of oxygen they utilize. 
E)  wavelengths of light they absorb.

Question 16

During electron transport in chloroplast thylakoids, protons are pumped outside the thylakoid into a space called the __________.

Accepted Answer

The answer of During electron transport in chloroplast thylakoids, protons...

Question 17

Which of the following statements concerning cellular metabolism is FALSE?

Accepted Answer

A)  Energy obtained from nutrients or light is stored in the bonds of ATP. 
B)  Enzymes are used in both catabolic and anabolic reactions. 
C)  Macromolecules are converted into cell structures via catabolism. 
D)  The goal of metabolism is reproduction of the organism. 
E)  ATP is used in the formation of macromolecules. 
A)  Energy obtained from nutrients or light is stored in the bonds of ATP. 
B)  Enzymes are used in both catabolic and anabolic reactions. 
C)  Macromolecules are converted into cell structures via catabolism. 
D)  The goal of metabolism is reproduction of the organism. 
E)  ATP is used in the formation of macromolecules.

Question 18

Fermentation pathways provide a cell with an alternative way to regenerate NAD+ for glycolysis.

Accepted Answer

A) True 
 B)False

Question 19

The purpose of electron transport is to create a proton __________ across a membrane that can then be used to make ATP.

Accepted Answer

The answer of The purpose of electron transport is to...

Question 20

Which of the following statements concerning the Krebs cycle is FALSE?

Accepted Answer

A)  Oxaloacetic acid is regenerated. 
B)  It is also known as the tricarboxylic acid cycle. 
C)  Two molecules of acetyl-CoA generate more ATP after two cycles than a single molecule of glucose at the end of glycolysis. 
D)  The ATP generated is initially GTP. 
E)  NAD+ and FAD are reduced as a result. 
A)  Oxaloacetic acid is regenerated. 
B)  It is also known as the tricarboxylic acid cycle. 
C)  Two molecules of acetyl-CoA generate more ATP after two cycles than a single molecule of glucose at the end of glycolysis. 
D)  The ATP generated is initially GTP. 
E)  NAD+ and FAD are reduced as a result.

Exam 5: Microbial Metabolism

ATP is produced by the phosphorylation of __________.

Hydrolases are generally involved in __________ reactions.

What is the purpose of the light-dependent reactions of photosynthesis?

All of the following are forms of oxidation EXCEPT

Compare and contrast cyclic and noncyclic photophosphorylation.

Carbon dioxide is a by-product of which of the following?

Explain why the ATP yield from processes such as cellular respiration is generally given as a theoretical number.

In which of the following stages of glycolysis is ATP made?

Electrons are transferred in the Krebs cycle in the form of __________ atoms to NAD+ and FAD.

The __________ point of an enzyme is reached when all active sites have bound substrate molecules.

Which of the following statements concerning reduction reactions is FALSE?

Glucose is used as an energy source only when proteins and fats are not available.

The conversion of pyruvic acid to acetyl-CoA can be described as __________, because a molecule of CO2 is produced as a by-product.

Membranes containing the photosystems necessary for photosynthesis are called

Types of chlorophyll differ in the

During electron transport in chloroplast thylakoids, protons are pumped outside the thylakoid into a space called the __________.

Which of the following statements concerning cellular metabolism is FALSE?

Fermentation pathways provide a cell with an alternative way to regenerate NAD+ for glycolysis.

The purpose of electron transport is to create a proton __________ across a membrane that can then be used to make ATP.

Which of the following statements concerning the Krebs cycle is FALSE?

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

Filters

The conversion of pyruvic acid to acetyl-CoA can be described as __________, because a molecule of CO₂ is produced as a by-product.

Fermentation pathways provide a cell with an alternative way to regenerate NAD⁺ for glycolysis.