Question 1

Table 2.1 16 O 12 C 1 H
8 6 1
Using the information in Table 2.1, calculate the molecular weight of ethanol, C 2H5OH.

Accepted Answer

A)  46 
B)  34 
C)  96 
D)  33 
E)  The answer cannot be determined. 
A)  46 
B)  34 
C)  96 
D)  33 
E)  The answer cannot be determined.

Question 2

Table 2.1 16 O 12 C 1 H
8 6 1
Using the information in Table 2.1, calculate the number of moles in 92 grams of ethanol, C2H5OH.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  The answer cannot be determined. 
A)  1 
B)  2 
C)  3 
D)  4 
E)  The answer cannot be determined.

Question 3

Which molecule is composed of a chain of amino acids?

Accepted Answer

A)  carbohydrate 
B)  lipid 
C)  protein 
D)  nucleic acid 
A)  carbohydrate 
B)  lipid 
C)  protein 
D)  nucleic acid

Question 4

What is the type of bond holding hydrogen and oxygen atoms together in a single H 2O molecule?

Accepted Answer

A)  ionic bond 
B)  covalent bond 
C)  hydrogen bond 
A)  ionic bond 
B)  covalent bond 
C)  hydrogen bond

Question 5

A basic solution is expected to contain more hydrogen ions than hydroxyl ions.

Accepted Answer

A) True 
 B)False

Question 6

Which are the primary molecules making up plasma membranes in cells?

Accepted Answer

A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  nucleic acids 
A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  nucleic acids

Question 7

Which type of molecule is composed of (CH2O) units?

Accepted Answer

A)  nucleic acid 
B)  lipid 
C)  carbohydrate 
D)  protein 
A)  nucleic acid 
B)  lipid 
C)  carbohydrate 
D)  protein

Question 8

Which of the following statements regarding protein structure is FALSE?

Accepted Answer

A)  Quaternary structures involved multiple polypeptides. 
B)  Tertiary structures are formed only from covalent bonds. 
C)  The primary structure is formed by covalent bonding between amino acid subunits. 
D)  Secondary structures are formed only from hydrogen bonds. 
A)  Quaternary structures involved multiple polypeptides. 
B)  Tertiary structures are formed only from covalent bonds. 
C)  The primary structure is formed by covalent bonding between amino acid subunits. 
D)  Secondary structures are formed only from hydrogen bonds.

Question 9

What is the type of bond between ions in salt?

Accepted Answer

A)  hydrogen bond 
B)  covalent bond 
C)  ionic bond 
A)  hydrogen bond 
B)  covalent bond 
C)  ionic bond

Question 10

Antacids neutralize acid by the following reaction. Identify the salt in the following equation: Mg(OH)2 + 2HCl → MgCl2 + H2O

Accepted Answer

A)  Mg(OH)2 
B)  HCl 
C)  H2O 
D)  MgCl2 
E)  None of the answers is correct. 
A)  Mg(OH)2 
B)  HCl 
C)  H2O 
D)  MgCl2 
E)  None of the answers is correct.

Question 11

Structurally, ATP is most like which type of molecule?

Accepted Answer

A)  carbohydrate 
B)  lipid 
C)  protein 
D)  nucleic acid 
A)  carbohydrate 
B)  lipid 
C)  protein 
D)  nucleic acid

Question 12

Which type of molecule contains the alcohol glycerol?

Accepted Answer

A)  protein 
B)  phospholipids 
C)  carbohydrate 
D)  DNA 
A)  protein 
B)  phospholipids 
C)  carbohydrate 
D)  DNA

Table 2.1 16 O 12 C 1 H 8 6 1 Using the information in Table 2.1, calculate the molecular weight of ethanol, C 2H5OH.

Table 2.1 16 O 12 C 1 H 8 6 1 Using the information in Table 2.1, calculate the number of moles in 92 grams of ethanol, C2H5OH.

Which molecule is composed of a chain of amino acids?

What is the type of bond holding hydrogen and oxygen atoms together in a single H 2O molecule?

A basic solution is expected to contain more hydrogen ions than hydroxyl ions.

Which are the primary molecules making up plasma membranes in cells?

Which type of molecule is composed of (CH₂O) units?

Which of the following statements regarding protein structure is FALSE?

What is the type of bond between ions in salt?

Antacids neutralize acid by the following reaction. Identify the salt in the following equation: Mg(OH)2 + 2HCl → MgCl2 + H₂O

Structurally, ATP is most like which type of molecule?

Which type of molecule contains the alcohol glycerol?

The Microbial World and You

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Disease of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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Exam 2: Chemical Principles

Table 2.1 16 O 12 C 1 H 8 6 1 Using the information in Table 2.1, calculate the molecular weight of ethanol, C 2H5OH.

Table 2.1 16 O 12 C 1 H 8 6 1 Using the information in Table 2.1, calculate the number of moles in 92 grams of ethanol, C2H5OH.

Which molecule is composed of a chain of amino acids?

What is the type of bond holding hydrogen and oxygen atoms together in a single H 2O molecule?

A basic solution is expected to contain more hydrogen ions than hydroxyl ions.

Which are the primary molecules making up plasma membranes in cells?

Which type of molecule is composed of (CH2O) units?

Which of the following statements regarding protein structure is FALSE?

What is the type of bond between ions in salt?

Antacids neutralize acid by the following reaction. Identify the salt in the following equation: Mg(OH)2 + 2HCl → MgCl2 + H2O

Structurally, ATP is most like which type of molecule?

Which type of molecule contains the alcohol glycerol?

The Microbial World and You

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Disease of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

Filters

Which type of molecule is composed of (CH₂O) units?

Antacids neutralize acid by the following reaction. Identify the salt in the following equation: Mg(OH)2 + 2HCl → MgCl2 + H₂O