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Micro Chapter 9
Test Description: Micro Chapter 9
Instructions: Answer all questions to get your test result.
1) Bacteria most commonly reproduce using which of the following methods?
A
meiosis
B
budding
C
binary fission
D
mitosis
2) Which of the following best describes how a microaerophile would grow in a thioglycolate tube culture?
A
near and at the top of the medium, with no growth at the bottom
B
at the bottom of the medium only, with no growth in the middle or top
C
throughout the medium
D
a short distance below the top of the medium, but not at the top.
3) Human pathogens are generally which type of microbe?
A
mesophiles
B
thermophiles
C
They can be all of these
D
psychrophiles
4) Generation time in prokaryotes refers to the amount of time required for the doubling of the population through a single round of binary fission.
A
True
B
False
5) An organism that can grow without oxygen but that grows best with oxygen is
A
obligate aerobe
B
facultative anaerobe
C
microaerophile
D
obligate anaerobe
6) An enzyme that cuts DNA at a specific sequence is called ________?
A
DNA ligase
B
Reverse transcriptase
C
A restriction enzyme
D
cDNA
7) In recombinant methods, the term vector refers to _____
A
a plasmid or other agent used to transfer DNA into a living cell
B
the enzyme that cuts DNA into restriction fragments
C
a DNA probe used to locate a particular gene
D
the sticky ends of a DNA fragment
8) PCR (polymerase chain reaction) is __________.
A
the insertion of DNA into an organism's chromosomes
B
a technique used to study RFLPs
C
a method of DNA amplification
D
used to determine the product of a particular gene
9) Cloning involves implanting a diploidal DNA with its nucleus into a non-nucleated egg.
A
True
B
False
10) Southern blotting is _____.
A
a method of DNA amplification
B
a technique used to study RFLPs
C
used to determine the product of a particular gene
D
the insertion of DNA into an organisms chromosomes
*select an answer for all questions
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