Question 1

What has occurred when a large molecule is broken down into small molecules?

Accepted Answer

A) Anabolism 
B) Anaerobic respiration 
C) Catabolism 
D) Feedback inhibition 
A) Anabolism 
B) Anaerobic respiration 
C) Catabolism 
D) Feedback inhibition

Question 2

When an enzyme has bound to its substrate a(n)_____ is formed.

Accepted Answer

A) Proteolytic complex 
B) Cofactor complex 
C) Enzyme-substrate complex 
D) Coenzyme complex 
E) Carrier complex 
A) Proteolytic complex 
B) Cofactor complex 
C) Enzyme-substrate complex 
D) Coenzyme complex 
E) Carrier complex

Question 3

Which of the following is required to fuel anabolic reactions in cells?

Accepted Answer

A) Triglycerols 
B) Proteins 
C) ATP 
D) Carbohydrates 
E) Nucleic acids 
A) Triglycerols 
B) Proteins 
C) ATP 
D) Carbohydrates 
E) Nucleic acids

Question 4

Enzymes catalyze reactions because they increase the difference in energy between the substrate and the products.

Accepted Answer

A) True 
 B)False

Question 5

In feedback inhibition which reaction in the following pathway would the final product inhibit? W →X → Y → Z

Accepted Answer

A) W→ X 
B) X → Y 
C) Y → Z 
D) Y 
E) Z 
A) W→ X 
B) X → Y 
C) Y → Z 
D) Y 
E) Z

Question 6

Which of the following distinguishes an enzyme from an apoenzyme? An apoenzyme_____.

Accepted Answer

A) Is the mirror image of its enzyme? 
B) Cannot bind a competitive inhibitor 
C) Cannot form an enzyme-substrate complex 
D) Contains no cofactor 
A) Is the mirror image of its enzyme? 
B) Cannot bind a competitive inhibitor 
C) Cannot form an enzyme-substrate complex 
D) Contains no cofactor

Question 7

Negative feedback inhibition works by

Accepted Answer

A) The product of a metabolic pathway inhibiting a key enzyme early in the synthesis of the product 
B)  Altering pH and denaturing the enzyme 
C) Binding to the binding site of an enzyme and interfering with substrate binding 
D) Increasing the energy of activation of a chemical reaction 
E) Increasing the free energy of the reaction 
A) The product of a metabolic pathway inhibiting a key enzyme early in the synthesis of the product 
B)  Altering pH and denaturing the enzyme 
C) Binding to the binding site of an enzyme and interfering with substrate binding 
D) Increasing the energy of activation of a chemical reaction 
E) Increasing the free energy of the reaction

Question 8

Unlike most pathogens,photoautotrophs

Accepted Answer

A) Are parasitic 
B) Can use organic chemicals for energy 
C) Can use organic chemicals as a carbon source 
D) Can survive and grow on CO? and sunlight 
E) None of the choices 
A) Are parasitic 
B) Can use organic chemicals for energy 
C) Can use organic chemicals as a carbon source 
D) Can survive and grow on CO? and sunlight 
E) None of the choices

Question 9

What happens to the rate of glucose consumption if a microorganism is moved from an anaerobic environment to an aerobic growth chamber? Explain why.

Accepted Answer

Glucose consumption would decrease becau

Question 10

Enzyme reactions are affected by

Accepted Answer

A) Temperature 
B) Enzyme concentration 
C) Concentration of substrate 
D) pH 
E) All of the choices 
A) Temperature 
B) Enzyme concentration 
C) Concentration of substrate 
D) pH 
E) All of the choices

Question 11

The chemical process that takes place inside every cell and is responsible for the release of energy is referred to as

Accepted Answer

A) Competitive inhibition 
B) Catabolism 
C) Feedback inhibition 
D) Allosteric inhibition 
E) Anabolism 
A) Competitive inhibition 
B) Catabolism 
C) Feedback inhibition 
D) Allosteric inhibition 
E) Anabolism

Question 12

The biosynthesis of glycogen,using glucose,is an example of

Accepted Answer

A) Aerobic respiration 
B) Anabolism 
C) Glycolysis 
D) The Krebs cycle 
E) Proton motive force 
A) Aerobic respiration 
B) Anabolism 
C) Glycolysis 
D) The Krebs cycle 
E) Proton motive force

What has occurred when a large molecule is broken down into small molecules?

When an enzyme has bound to its substrate a(n)_____ is formed.

Which of the following is required to fuel anabolic reactions in cells?

Enzymes catalyze reactions because they increase the difference in energy between the substrate and the products.

In feedback inhibition which reaction in the following pathway would the final product inhibit? W →X → Y → Z

Which of the following distinguishes an enzyme from an apoenzyme? An apoenzyme_____.

Negative feedback inhibition works by

Unlike most pathogens,photoautotrophs

What happens to the rate of glucose consumption if a microorganism is moved from an anaerobic environment to an aerobic growth chamber? Explain why.

Enzyme reactions are affected by

The chemical process that takes place inside every cell and is responsible for the release of energy is referred to as

The biosynthesis of glycogen,using glucose,is an example of

What is Microbiology and Why Does it Matter?

Fundamental Chemistry for Microbiology

An Introduction to Cell Structure and Host-Pathogen Relationships

Requirements for Infection

Transmission of Infection, the Compromised Host, Epidemiology, and Diagnosing Infections

Principles of Disease

Emerging and Re-Emerging Infectious Disease

The Clinical Significance of Bacterial Anatomy

Bacterial Growth

Microbial Genetics and Infectious Disease

The Structure and Infection Cycle of Viruses

Viral Infection

Parasitic and Fungal Infections

The Innate Immune Response

The Adaptive Immune Response

Failures of the Immune Response

Control of Microbial Growth with Disinfectants and Antiseptics

Antibiotics and Antimicrobial Drugs

Antibiotic Resistance

Infections of the Respiratory System

Infections of the Digestive System

Infections of the Genitourinary System

Infections of the Central Nervous System

Infections of the Blood and Lymph

Infections of the Skin and Eyes

Filters

Exam 3: Essentials of Metabolism

What has occurred when a large molecule is broken down into small molecules?

When an enzyme has bound to its substrate a(n)_____ is formed.

Which of the following is required to fuel anabolic reactions in cells?

Enzymes catalyze reactions because they increase the difference in energy between the substrate and the products.

In feedback inhibition which reaction in the following pathway would the final product inhibit? W →X → Y → Z

Which of the following distinguishes an enzyme from an apoenzyme? An apoenzyme_____.

Negative feedback inhibition works by

Unlike most pathogens,photoautotrophs

What happens to the rate of glucose consumption if a microorganism is moved from an anaerobic environment to an aerobic growth chamber? Explain why.

Enzyme reactions are affected by

The chemical process that takes place inside every cell and is responsible for the release of energy is referred to as

The biosynthesis of glycogen,using glucose,is an example of

What is Microbiology and Why Does it Matter?

Fundamental Chemistry for Microbiology

An Introduction to Cell Structure and Host-Pathogen Relationships

Requirements for Infection

Transmission of Infection, the Compromised Host, Epidemiology, and Diagnosing Infections

Principles of Disease

Emerging and Re-Emerging Infectious Disease

The Clinical Significance of Bacterial Anatomy

Bacterial Growth

Microbial Genetics and Infectious Disease

The Structure and Infection Cycle of Viruses

Viral Infection

Parasitic and Fungal Infections

The Innate Immune Response

The Adaptive Immune Response

Failures of the Immune Response

Control of Microbial Growth with Disinfectants and Antiseptics

Antibiotics and Antimicrobial Drugs

Antibiotic Resistance

Infections of the Respiratory System

Infections of the Digestive System

Infections of the Genitourinary System

Infections of the Central Nervous System

Infections of the Blood and Lymph

Infections of the Skin and Eyes

Filters