Question 1

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Accepted Answer

A)   Cause human disease
B)   Lack a nucleus
C)   Cannot be seen without a microscope
D)   Contain genetic material
E)   Lack cell structureF) C) and D)
G) None of the above

Question 2

The nurse implements an extensive nutrition education plan for Breonna, beginning at the molecular level. Carbohydrates, lipids, proteins, and nucleic acids are the four main families of biological molecules referred to as ________.

Accepted Answer

A)   macromolecules
B)   monosaccharides
C)   polysaccharides
D)   micromoleculesE) B) and D)
F) All of the above

Question 3

The study of evolutionary relationships among organisms is called ________,

Accepted Answer

A)   biotechnology
B)   genetics
C)   recombinant DNA
D)   phylogeny
E)   taxonomyF) C) and D)
G) A) and B)

Question 4

The acceptance or rejection of a hypothesis is based on a series of educated guesses and opinions. Once the opinion is widely accepted it becomes a theory.

Accepted Answer

A) True 
 B)False

Question 5

All of the following are polysaccharides except

Accepted Answer

A)   glycogen in liver and muscle.
B)   agar used to make solid culture media.
C)   a cell's glycocalyx.
D)   cellulose in certain cell walls.
E)   prostaglandins in inflammation.F) C) and E)
G) B) and C)

Question 6

Which is not true about enzymes?

Accepted Answer

A)   They are found in all cells.
B)   They are catalysts.
C)   Their shape determines their function.
D)   They can be denaturated by heat and other agents.
E)   They have high-energy bonds between phosphates.F) All of the above
G) B) and C)

Question 7

If you were a microbiologist in 1950, which of the following scientific principles would you already know?

Accepted Answer

A)   Aseptic techniques could reduce the number of wound infections in the surgical setting.
B)   Biofilms can form on implanted objects in the human body and be responsible for infection.
C)   Enzymes found in bacteria can be used to cut DNA.
D)   Very little DNA is transcribed into RNA that is then translated into proteins.E) None of the above
F) All of the above

Question 8

Hand washing in the healthcare environment is aimed at reducing the number of microbes in the medical setting to prevent the spread of infection and disease. Which of these terms best represents this technique?

Accepted Answer

A)   Sterilization
B)   Asepsis
C)   Disinfection
D)   AntisepsisE) A) and B)
F) None of the above

Question 9

The microorganisms that recycle nutrients by breaking down dead matter and wastes are called ________.

Accepted Answer

A)   decomposers
B)   prokaryotes
C)   pathogens
D)   eukaryotes
E)   fermentersF) D) and E)
G) All of the above

Question 10

The RN applies therapeutic communication techniques to assess of Ms. Smith's understanding of the principle of sterility. Her statement of "I need to sterilize myself and my environment of all germs so I do not get sick" would be best followed by which of the following questions by the RN?

Accepted Answer

A)   How does being in an unsterile environment make you feel?
B)   Can you tell me more about what sterility means to you?
C)   How does washing your hands with bleach make you sterile?
D)   Can you tell me more about why you are afraid of germs?E) B) and C)
F) A) and D)

Question 11

Which of the following statements correctly determines the process when following the scientific method?

Accepted Answer

A)   Formulate question, conduct research, propose hypothesis, test hypothesis
B)   Propose hypothesis, test hypothesis, formulate question, conduct research
C)   Formulate question, propose hypothesis, test hypothesis, conduct research
D)   Conduct research, formulate question, propose hypothesis, test hypothesisE) All of the above
F) B) and C)

Question 12

Cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been called ________.

Accepted Answer

A)   decomposers
B)   prokaryotes
C)   pathogens
D)   eukaryotes
E)   fermentersF) B) and C)
G) A) and E)

Question 13

The Nobel Prize was awarded to Kary Mullis in 1993 for inventing what technique to amplify and subsequently analyze DNA?

Accepted Answer

A)   Polymerase chain reaction
B)   The central dogma of biology
C)   Restriction enzyme analysis
D)   Human microbiome project
E)   Small RNA analysisF) C) and D)
G) A) and E)

Question 14

Which of the following is a scientific name?

Accepted Answer

A)   Gram-positive streptococcus
B)   Staphylococcus
C)   Streptococcus pyogenes
D)   Anthrax
E)   StreptobacilliF) A) and D)
G) C) and E)

Question 15

Using microbes to detoxify a site contaminated with heavy metals is an example of ________.

Accepted Answer

A)   biotechnology
B)   bioremediation
C)   decomposition
D)   immunology
E)   epidemiologyF) B) and E)
G) A) and C)

Question 16

All microorganisms are considered pathogens.

Accepted Answer

A) True 
 B)False

Question 17

The purine_______ always binds with the pyrimidine_______ in DNA and RNA.

Accepted Answer

A)   guanine, cytosine
B)   cytosine, guanine
C)   adenine, guanine
D)   thymine, guanineE) All of the above
F) B) and C)

Question 18

The structure of proteins is complex and unique, and only specific molecules can interact with their surface features. The natural shape of each protein is termed the native state. When proteins are exposed to heat, acid, or alcohol, their shape is disrupted and they become nonfunctional or ________.

Accepted Answer

A)   digested
B)   denatured
C)   distorted
D)   depolymerizedE) A) and D)
F) B) and C)

Question 19

Characteristics shared by all cells include

Accepted Answer

A)   a membrane serving as a cell boundary.
B)   the possession of genetic information.
C)   the presence of cellular fluid.
D)   All of these choices are correct.E) A) and D)
F) None of the above

Question 20

Koch's postulates are criteria used to establish that

Accepted Answer

A)   microbes are found on dust particles.
B)   a specific microbe is the cause of a specific disease.
C)   life forms can only arise from preexisting life forms.
D)   a specific microbe should be classified in a specific kingdom.
E)   microbes can be used to clean up toxic spills.F) None of the above
G) A) and D)

Exam 1: Introduction to Microbes and Their Building Blocks

Which of the following is a scientific name?

Correct Answer
verified

The acceptance or rejection of a hypothesis is based on a series of educated guesses and opinions. Once the opinion is widely accepted it becomes a theory.

Correct Answer
verified

The purine_ always binds with the pyrimidine_ in DNA and RNA.

Correct Answer
verified

Characteristics shared by all cells include

Correct Answer
verified

All microorganisms are considered pathogens.

Correct Answer
verified

The study of evolutionary relationships among organisms is called ________,

Correct Answer
verified

Correct Answer
verified

The nurse implements an extensive nutrition education plan for Breonna, beginning at the molecular level. Carbohydrates, lipids, proteins, and nucleic acids are the four main families of biological molecules referred to as ________.

Correct Answer
verified

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Correct Answer
verified

Which is not true about enzymes?

Correct Answer
verified

If you were a microbiologist in 1950, which of the following scientific principles would you already know?

Correct Answer
verified

Using microbes to detoxify a site contaminated with heavy metals is an example of ________.

Correct Answer
verified

Koch's postulates are criteria used to establish that

Correct Answer
verified

Hand washing in the healthcare environment is aimed at reducing the number of microbes in the medical setting to prevent the spread of infection and disease. Which of these terms best represents this technique?

Correct Answer
verified

The microorganisms that recycle nutrients by breaking down dead matter and wastes are called ________.

Correct Answer
verified

The RN applies therapeutic communication techniques to assess of Ms. Smith's understanding of the principle of sterility. Her statement of "I need to sterilize myself and my environment of all germs so I do not get sick" would be best followed by which of the following questions by the RN?

Correct Answer
verified

The Nobel Prize was awarded to Kary Mullis in 1993 for inventing what technique to amplify and subsequently analyze DNA?

Correct Answer
verified

All of the following are polysaccharides except

Correct Answer
verified

Which of the following statements correctly determines the process when following the scientific method?

Correct Answer
verified

Cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been called ________.

Correct Answer
verified

Exam 1: Introduction to Microbes and Their Building Blocks

Which of the following is a scientific name?

Correct AnswerverifiedShow Answer

The acceptance or rejection of a hypothesis is based on a series of educated guesses and opinions. Once the opinion is widely accepted it becomes a theory.

Correct AnswerverifiedShow Answer

The purine_______ always binds with the pyrimidine_______ in DNA and RNA.

Correct AnswerverifiedShow Answer

Characteristics shared by all cells include

Correct AnswerverifiedShow Answer

All microorganisms are considered pathogens.

Correct AnswerverifiedShow Answer

The study of evolutionary relationships among organisms is called ________,

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The nurse implements an extensive nutrition education plan for Breonna, beginning at the molecular level. Carbohydrates, lipids, proteins, and nucleic acids are the four main families of biological molecules referred to as ________.

Correct AnswerverifiedShow Answer

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

Correct AnswerverifiedShow Answer

Which is not true about enzymes?

Correct AnswerverifiedShow Answer

If you were a microbiologist in 1950, which of the following scientific principles would you already know?

Correct AnswerverifiedShow Answer

Using microbes to detoxify a site contaminated with heavy metals is an example of ________.

Correct AnswerverifiedShow Answer

Koch's postulates are criteria used to establish that

Correct AnswerverifiedShow Answer

Hand washing in the healthcare environment is aimed at reducing the number of microbes in the medical setting to prevent the spread of infection and disease. Which of these terms best represents this technique?

Correct AnswerverifiedShow Answer

The microorganisms that recycle nutrients by breaking down dead matter and wastes are called ________.

Correct AnswerverifiedShow Answer

The RN applies therapeutic communication techniques to assess of Ms. Smith's understanding of the principle of sterility. Her statement of "I need to sterilize myself and my environment of all germs so I do not get sick" would be best followed by which of the following questions by the RN?

Correct AnswerverifiedShow Answer

The Nobel Prize was awarded to Kary Mullis in 1993 for inventing what technique to amplify and subsequently analyze DNA?

Correct AnswerverifiedShow Answer

All of the following are polysaccharides except

Correct AnswerverifiedShow Answer

Which of the following statements correctly determines the process when following the scientific method?

Correct AnswerverifiedShow Answer

Cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been called ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

The purine_ always binds with the pyrimidine_ in DNA and RNA.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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