Micro Chapter 9 Question Preview (ID: 62620)


Micro Chapter 9. TEACHERS: click here for quick copy question ID numbers.

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
c)
d)

An organism that can grow without oxygen but that grows best with oxygen is
a) facultative anaerobe
b) obligate aerobe
c) obligate anaerobe
d) microaerophile

Human pathogens are generally which type of microbe?
a) mesophiles
b) thermophiles
c) psychrophiles
d) They can be all of these

Which of the following best describes how a microaerophile would grow in a thioglycolate tube culture?
a) at the bottom of the medium only, with no growth in the middle or top
b) near and at the top of the medium, with no growth at the bottom
c) a short distance below the top of the medium, but not at the top.
d) throughout the medium

Bacteria most commonly reproduce using which of the following methods?
a) binary fission
b) budding
c) meiosis
d) mitosis

An enzyme that cuts DNA at a specific sequence is called ________?
a) A restriction enzyme
b) cDNA
c) Reverse transcriptase
d) DNA ligase

In recombinant methods, the term vector refers to _____
a) a DNA probe used to locate a particular gene
b) the sticky ends of a DNA fragment
c) a plasmid or other agent used to transfer DNA into a living cell
d) the enzyme that cuts DNA into restriction fragments

PCR (polymerase chain reaction) is __________.
a) used to determine the product of a particular gene
b) a method of DNA amplification
c) the insertion of DNA into an organism's chromosomes
d) a technique used to study RFLPs

Cloning involves implanting a diploidal DNA with its nucleus into a non-nucleated egg.
a) True
b) False
c)
d)

Southern blotting is _____.
a) a method of DNA amplification
b) a technique used to study RFLPs
c) the insertion of DNA into an organisms chromosomes
d) used to determine the product of a particular gene

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