Question 1

The side groups of amino acids can interact with each other and with other molecules.

Accepted Answer

A) True 
 B)False

Question 2

Discuss the importance of hydrogen bonds in the chemistry of the cell.

Accepted Answer

The chemistry of the cell would basicall

Question 3

Which of the following is found in RNA but not DNA?

Accepted Answer

A)  adenine 
B)  cytosine 
C)  deoxyribose 
D)  guanine 
E)  uracil 
A)  adenine 
B)  cytosine 
C)  deoxyribose 
D)  guanine 
E)  uracil

Question 4

Which of the following is an organic compound?

Accepted Answer

A)  adenine 
B)  carbon dioxide 
C)  molecular oxygen 
D)  sodium chloride 
E)  water 
A)  adenine 
B)  carbon dioxide 
C)  molecular oxygen 
D)  sodium chloride 
E)  water

Question 5

The monomer of a nucleic acid is called a (nucleoside/nucleotide/base).

Accepted Answer

The answer of The monomer of a nucleic acid is...

Question 6

The folding of a polypeptide into a three-dimensional shape is its (secondary/tertiary/quaternary)structure.

Accepted Answer

The answer of The folding of a polypeptide into a...

Question 7

Denaturation of a protein is always permanent.

Accepted Answer

A) True 
 B)False

Question 8

Max is exploring the properties of various compounds.Some of his explorations involve the use of a pH indicator that is red at low pH,yellow-green at neutral pH and blue to purple at high pH.He sets up several tubes containing water and the pH indicator and then begins to add some of the compounds he is characterizing in various combinations.His results are shown on the following table.
 $$\begin{array} { | l | l | l | l | l | l | l | l | l | l | } 
\hline \text { Compound } & \text { None } & 1 \times \mathrm { L } & 1 \times \mathrm { M } & 2 \times \mathrm { M } & 5 \times \mathrm { M } & 1 \times \mathrm { N } & \begin{array} { l } 
1 \times \mathrm { L } + \
1 \times \mathrm { M }
\end{array} & \begin{array} { l } 
1 \times \mathrm { L } + \
5 \times \mathrm { M }
\end{array} & \begin{array} { l } 
1 \times \mathrm { L } + 1 \
\times \mathrm { M } + 1 \
\times \mathrm { N }
\end{array} \
\hline \text { Color } & \text { Green } & \text { Red } & \text { Green } & \text { Blue } & \text { Purple } & \text { Green } & \text { Red } & \text { Green } & \text { Green } \
\hline
\end{array}$$ 
What can Max conclude about his compounds based on these results? Describe the likely events in terms of hydrogen and hydroxyl ions.

Accepted Answer

Max's results are consistent with L bein

Question 9

Radioactive iodine is sometimes used to treat thyroid cancer.This is an example of the use of (isotopes/elements/radiation)in medical treatment.

Accepted Answer

The answer of Radioactive iodine is sometimes used to treat...

Question 10

Which of the following does not contribute significantly to the mass of an atom?

Accepted Answer

A)  electron 
B)  neutron 
C)  element 
D)  proton 
E)  isotope 
A)  electron 
B)  neutron 
C)  element 
D)  proton 
E)  isotope

Question 11

A chemical reaction in which a water molecule is a reactant is known as a (dehydration/hydrolysis)reaction.

Accepted Answer

The answer of A chemical reaction in which a water...

Question 12

The carbon atoms in organic compounds typically form ________ with other atoms.

Accepted Answer

A)  nonpolar covalent bonds 
B)  polar covalent bonds 
C)  ionic bonds 
D)  hydrogen bonds 
E)  either ionic or hydrogen bonds 
A)  nonpolar covalent bonds 
B)  polar covalent bonds 
C)  ionic bonds 
D)  hydrogen bonds 
E)  either ionic or hydrogen bonds

Question 13

The smallest chemical units of matter are elements.

Accepted Answer

A) True 
 B)False

Question 14

The type(s)of bond produced when atoms with somewhat different electronegativities share electrons is/are

Accepted Answer

A)  a nonpolar covalent bond. 
B)  a polar covalent bond. 
C)  an ionic bond. 
D)  a hydrogen bond. 
E)  both nonpolar covalent and ionic bonds. 
A)  a nonpolar covalent bond. 
B)  a polar covalent bond. 
C)  an ionic bond. 
D)  a hydrogen bond. 
E)  both nonpolar covalent and ionic bonds.

Question 15

A compound that dissociates in water to produce ________ is called a salt.

Accepted Answer

A)  hydrogen ions 
B)  anions 
C)  hydroxyl ions 
D)  cations 
E)  anions and cations 
A)  hydrogen ions 
B)  anions 
C)  hydroxyl ions 
D)  cations 
E)  anions and cations

Question 16

Hydrogen bonds are stronger then covalent bonds.

Accepted Answer

A) True 
 B)False

Question 17

Tertiary and quaternary structure of proteins involves ________ bonds.

Accepted Answer

A)  hydrogen 
B)  ionic 
C)  polar covalent 
D)  nonpolar covalent 
E)  ionic, hydrogen, polar, and nonpolar covalent 
A)  hydrogen 
B)  ionic 
C)  polar covalent 
D)  nonpolar covalent 
E)  ionic, hydrogen, polar, and nonpolar covalent

Question 18

Which of the following would NOT normally be found as a component of a cell's nucleic acids?

Accepted Answer

A)  adenine deoxyribonucleotides 
B)  thymine deoxyribonucleotides 
C)  uracil deoxyribonucleotides 
D)  cytosine ribonucleotides 
E)  adenine ribonucleotides 
A)  adenine deoxyribonucleotides 
B)  thymine deoxyribonucleotides 
C)  uracil deoxyribonucleotides 
D)  cytosine ribonucleotides 
E)  adenine ribonucleotides

Question 19

A(n)________ is a compound that dissolves into anions and cations in water.

Accepted Answer

A)  acid 
B)  buffer 
C)  base 
D)  salt 
E)  catalyst 
A)  acid 
B)  buffer 
C)  base 
D)  salt 
E)  catalyst

Question 20

Unstable isotopes can be useful

Accepted Answer

A)  catalysts. 
B)  in medical diagnosis. 
C)  in vitamins. 
D)  in the formation of hydrogen bonds. 
E)  as buffers. 
A)  catalysts. 
B)  in medical diagnosis. 
C)  in vitamins. 
D)  in the formation of hydrogen bonds. 
E)  as buffers.

Exam 2: The Chemistry of Microbiology

The side groups of amino acids can interact with each other and with other molecules.

Discuss the importance of hydrogen bonds in the chemistry of the cell.

Which of the following is found in RNA but not DNA?

Which of the following is an organic compound?

The monomer of a nucleic acid is called a (nucleoside/nucleotide/base).

The folding of a polypeptide into a three-dimensional shape is its (secondary/tertiary/quaternary)structure.

Denaturation of a protein is always permanent.

Radioactive iodine is sometimes used to treat thyroid cancer.This is an example of the use of (isotopes/elements/radiation)in medical treatment.

Which of the following does not contribute significantly to the mass of an atom?

A chemical reaction in which a water molecule is a reactant is known as a (dehydration/hydrolysis)reaction.

The carbon atoms in organic compounds typically form ________ with other atoms.

The smallest chemical units of matter are elements.

The type(s)of bond produced when atoms with somewhat different electronegativities share electrons is/are

A compound that dissociates in water to produce ________ is called a salt.

Hydrogen bonds are stronger then covalent bonds.

Tertiary and quaternary structure of proteins involves ________ bonds.

Which of the following would NOT normally be found as a component of a cell's nucleic acids?

A(n)________ is a compound that dissolves into anions and cations in water.

Unstable isotopes can be useful

A Brief History of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

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

Immune Disorders

Pathogenic Gram Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Parasitic Protozoa, Helminths, and Arthropod Vectors

Pathogenic DNA Viruses

Pathogenic RNA Viruses

Applied and Environmental Microbiology

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