1) All cellular organisms can be placed into one of three_________blank, which includes
theBacteria, Archaea, and theEukarya.
2) Archaea are cellular organisms that have unique cell membrane_________blank.
3) Elie Metchnikoff discovered_________blank, which is a major feature of the host
immune response.
4) An Italian physician,_________blank, challenged the concept of spontaneous generation
by demonstrating that maggots do not arise from decaying meat but rather from developing fly
eggs.
5) _________blank discovered that soil bacteria could oxidize iron, sulfur, and ammonia to
obtain energy.
6) _________blank was the first to isolate a root nodule bacterium capable of nitrogen
fixation.
7) The branch of microbiology that deals with diseases of humans and animals is
called_________blank microbiology.
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,8) The branch of microbiology that deals with the mechanisms by which the human body
protects itself from disease-causing organisms is called_________blank.
9) _________blank _________blank microbiologists monitor community food
establishments and water supplies in order to control the spread of communicable diseases.
10) The branch of microbiology that studies the relationship between microorganisms and
their habitats is called _________blank _________blank.
11) _________blank microbiology involves the use of microorganisms to make products
such as antibiotics, vaccines, steroids, alcohols, vitamins, amino acids, and enzymes.
12) Microbial_________blank are scientists who investigate the synthesis of antibiotics and
toxins, the production of energy with microorganisms, and the ways in which microorganisms
survive harsh environmental conditions.
13) Microbial_________blank focuses on the nature of heredity and how it regulates the
development and function of cells and organisms.
14) A microbial _________blank is a collection of strains that share many stable properties
and differ significantly from other groups of strains.
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,15) Protists contain all of the following forms of life EXCEPT _________blank.
A) protozoa
B) fungi
C) slime molds
D) algae
16) Cells with a relatively complex morphology that have a true membrane-delimited nucleus
are called_________blank.
A) prokaryotes
B) eukaryotes
C) urkaryotes
D) nokaryotes
17) Cells with a relatively simple cell morphology that do not have a true membrane-
delimited nucleus are called_________blank.
A) prokaryotes
B) eukaryotes
C) urkaryotes
D) nokaryotes
18) The ribosomal RNA studies that led to the division of prokaryotic organisms into the
Bacteria and the Archaea were begun by_________blank.
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, A) Pasteur
B) Woese
C) Needham
D) Watson
19) Proteins function in modern cells as _________blank.
A) catalysts
B) hereditary information
C) structural elements
D) both catalysts and structural elements
20) RNA is a key intermediate molecule involved in the process that uses the information
stored in DNA to ultimately produce _________blank.
A) carbohydrates
B) proteins
C) lipids
D) RNA
21) Which of the following distinguishes the field of microbiology from other fields of
biology?
A) The size of the organism studied.
B) The techniques used to study organisms regardless of their size.
C) Both the size of the organism studied and the techniques employed in the study of
organisms.
D) Neither the size of the organism studied nor the techniques employed in the study of
organisms regardless of their size.
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