Question 1

Most biochemical macromolecules are polymers, which are chains of ________.

Accepted Answer

A)   hydrophobic molecules
B)   electrolytic molecules
C)   repeating monomers
D)   repeating carbohydrates
E)   hydrogen bondsF) A) and B)
G) None of the above

Question 2

Which of the following is not considered a microorganism?

Accepted Answer

A)   Mosquito
B)   Protozoan
C)   Bacterium
D)   Virus
E)   FungusF) D) and E)
G) A) and C)

Question 3

A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution. If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?

Accepted Answer

A)   Amino acids
B)   Hydrogen and oxygen atoms
C)   Nitrogen and phosphorus
D)   Fatty acids
E)   Carbon atomsF) B) and D)
G) A) and B)

Question 4

A scientific theory, like the theory of evolution, is just our best guess at explaining a scientific phenomenon, but a theory cannot be considered fact.

Accepted Answer

A) True 
 B)False

Question 5

Organisms were classified into kingdoms as they were defined. Which list reflects the order of discovery of the kingdoms as we know them today?

Accepted Answer

A)   Monera, protista, fungi, plants and animals
B)   Plants and animals, protista, monera, fungi
C)   Fungi, monera, plants and animals, protista
D)   Protista, fungi, monera, plants and animals,
E)   Monera, plants and animals, protista, fungiF) B) and D)
G) B) and E) B

Question 6

All microorganisms are best defined as organisms that ________.

Accepted Answer

A)   cause human disease
B)   lack a cell nucleus
C)   are infectious particles
D)   are too small to be seen with the unaided eye
E)   can only be found growing in laboratoriesF) B) and E)
G) B) and D)

Question 7

Which of the following is not a human use of microorganisms?

Accepted Answer

A)   Making bread
B)   Treating water and sewage
C)   Manufacturing copper wire
D)   Mass producing antibiotics
E)   Cleaning up oil spillsF) A) and E)
G) D) and E)

Question 8

Which of the following is not a pyrimidine?

Accepted Answer

A)   Uracil
B)   Adenine
C)   Thymine
D)   Cytosine
E)   All of these are pyrimidines.F) D) and E)
G) A) and B)

Question 9

The alpha helix is a type of ________ protein structure.

Accepted Answer

A)   primary
B)   secondary
C)   tertiary
D)   quaternary
E)   None of the choices is correct.F) A) and B)
G) B) and D)

Question 10

When humans manipulate the genes of microorganisms, the process is called ________.

Accepted Answer

A)   bioremediation
B)   genetic engineering
C)   epidemiology
D)   immunology
E)   taxonomyF) A) and B)
G) C) and E)

Question 11

Organic chemicals always have a basic framework of the element ________ bonded to other atoms.

Accepted Answer

A)   carbon
B)   nitrogen
C)   oxygen
D)   hydrogen
E)   phosphorousF) A) and B)
G) None of the above

Question 12

Which of the features listed below is not found in all cells?

Accepted Answer

A)   Cytoplasmic membrane
B)   Ribosomes
C)   DNA
D)   NucleusE) A) and B)
F) None of the above D

Question 13

The scientist(s)  who proposed organisms be assigned to one of three domains is(are)  ________.

Accepted Answer

A)   Robert Koch and Louis Pasteur
B)   Antonie van Leeuwenhoek
C)   Carl Woese and George Fox
D)   Robert Whittaker
E)   Francesco RediF) B) and C)
G) A) and B)

Question 14

The names of the three domains are: Bacteria, Protista, and Eukarya (Eukaryota).

Accepted Answer

A) True 
 B)False

Question 15

Taxonomy does not involve ________.

Accepted Answer

A)   nomenclature
B)   classification
C)   taxa
D)   identification
E)   common nameF) B) and E)
G) A) and C)

Question 16

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on ________.

Accepted Answer

A)   determining evolutionary relatedness
B)   bioremediation
C)   recombinant DNA
D)   nomenclature
E)   determining if that species is the cause of a new diseaseF) B) and E)
G) B) and C) A

Question 17

Select the correct descending taxonomic hierarchy:

Accepted Answer

A)   family, order, class
B)   family, genus, species
C)   genus, species, family
D)   class, phylum, order
E)   kingdom, domain, phylumF) C) and E)
G) A) and E)

Question 18

Despite the lack of a membrane-bound nucleus, bacteria and archaea are cells with a complex organizational structure.

Accepted Answer

A) True 
 B)False

Question 19

During protein synthesis, ________ RNA is made as a copy of a gene from DNA.

Accepted Answer

A)   transfer
B)   messenger
C)   ribosomal
D)   All of the choices are correct.E) All of the above
F) C) and D)

Question 20

Wanda is receptive to the nurse's teaching. In reinforcing the prevalence of microbes in our environment, the nurse describes the experiments of Louis Pasteur. Pasteur hypothesized that microbes were in the air and dust. Through experiments using swan-necked flasks, he disproved the concept of ________.

Accepted Answer

A)   spontaneous mutation
B)   spontaneous generation
C)   aseptic theory
D)   biogenesisE) C) and D)
F) A) and C)

Exam 1: Introduction to Microbes and Their Building Blocks

Most biochemical macromolecules are polymers, which are chains of ________.

Correct Answer
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Which of the following is not considered a microorganism?

Correct Answer
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A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution. If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?

Correct Answer
verified

A scientific theory, like the theory of evolution, is just our best guess at explaining a scientific phenomenon, but a theory cannot be considered fact.

Correct Answer
verified

Organisms were classified into kingdoms as they were defined. Which list reflects the order of discovery of the kingdoms as we know them today?

Correct Answer
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B

All microorganisms are best defined as organisms that ________.

Correct Answer
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Which of the following is not a human use of microorganisms?

Correct Answer
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Which of the following is not a pyrimidine?

Correct Answer
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The alpha helix is a type of ________ protein structure.

Correct Answer
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When humans manipulate the genes of microorganisms, the process is called ________.

Correct Answer
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Organic chemicals always have a basic framework of the element ________ bonded to other atoms.

Correct Answer
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Which of the features listed below is not found in all cells?

Correct Answer
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D

The scientist(s) who proposed organisms be assigned to one of three domains is(are) ________.

Correct Answer
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The names of the three domains are: Bacteria, Protista, and Eukarya (Eukaryota).

Correct Answer
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Taxonomy does not involve ________.

Correct Answer
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A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on ________.

Correct Answer
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A

Select the correct descending taxonomic hierarchy:

Correct Answer
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Despite the lack of a membrane-bound nucleus, bacteria and archaea are cells with a complex organizational structure.

Correct Answer
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During protein synthesis, ________ RNA is made as a copy of a gene from DNA.

Correct Answer
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Correct Answer
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Exam 1: Introduction to Microbes and Their Building Blocks

Most biochemical macromolecules are polymers, which are chains of ________.

Correct AnswerverifiedShow Answer

Which of the following is not considered a microorganism?

Correct AnswerverifiedShow Answer

A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution. If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?

Correct AnswerverifiedShow Answer

A scientific theory, like the theory of evolution, is just our best guess at explaining a scientific phenomenon, but a theory cannot be considered fact.

Correct AnswerverifiedShow Answer

Organisms were classified into kingdoms as they were defined. Which list reflects the order of discovery of the kingdoms as we know them today?

Correct AnswerverifiedB

All microorganisms are best defined as organisms that ________.

Correct AnswerverifiedShow Answer

Which of the following is not a human use of microorganisms?

Correct AnswerverifiedShow Answer

Which of the following is not a pyrimidine?

Correct AnswerverifiedShow Answer

The alpha helix is a type of ________ protein structure.

Correct AnswerverifiedShow Answer

When humans manipulate the genes of microorganisms, the process is called ________.

Correct AnswerverifiedShow Answer

Organic chemicals always have a basic framework of the element ________ bonded to other atoms.

Correct AnswerverifiedShow Answer

Which of the features listed below is not found in all cells?

Correct AnswerverifiedD

The scientist(s) who proposed organisms be assigned to one of three domains is(are) ________.

Correct AnswerverifiedShow Answer

The names of the three domains are: Bacteria, Protista, and Eukarya (Eukaryota).

Correct AnswerverifiedShow Answer

Taxonomy does not involve ________.

Correct AnswerverifiedShow Answer

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on ________.

Correct AnswerverifiedA

Select the correct descending taxonomic hierarchy:

Correct AnswerverifiedShow Answer

Despite the lack of a membrane-bound nucleus, bacteria and archaea are cells with a complex organizational structure.

Correct AnswerverifiedShow Answer

During protein synthesis, ________ RNA is made as a copy of a gene from DNA.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
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B

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D

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A

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