AnswersSTPSB_Biology CR 2627 MitchellLab: Building Proteins from RNA

Week 11: Bacteria Forms Answers

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1
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What is the advantage of genetic recombination as a mode of reproduction in bacteria?

A
less time finding other bacteria
B
higher rates of reproduction
C
more susceptibility to antibiotics
D
greater genetic variation
2
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Which mode of genetic recombination is matched correctly with its description?

A
transduction—virus transfers genes from one bacteria to another
B
conjugation—involves splitting of one cell and results in two identical cells
C
binary fission—requires direct cell-to-cell contact of bacteria
D
transformation—uses a pilus to transmit genetic information between bacteria
3

How does Propionibacterium acnes cause acne in humans?

A
Overuse of antibiotics can cause bacteria to clog pores in humans.
B
This type of bacteria is found on the human skin, and it can clog pores.
C
This type of bacteria often enters a cut and causes an infection in humans.
D
Close contact with an infected person can lead to acne in humans.
4

Which scientist developed the idea that microorganisms can cause diseases?

A
Paul Ehrlich
B
Anton van Leeuwenhoek
C
Louis Pasteur
D
Alexander Fleming
5

Which correctly describes a process that occurs in bacteria?

A
In binary fission, the two new cells that are formed are susceptible to the same antibiotic.
B
In conjugation, bacterial DNA is transferred from one bacterium to another by a replicating virus.
C
In transduction, the cells that are formed are susceptible to the same antibiotic.
D
In transformation, a special sex pilus is required to connect two bacterial cells.

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