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CRISPR 17. Which of the following is an adaptive immune protection of a species

ID: 178330 • Letter: C

Question


CRISPR


17. Which of the following is an adaptive immune protection of a species of bacterium.
A. The virus fails to penetrate the thick cell wall of any of the members of the bacteria.
B. All the members of the species express an enzyme that destroys the receptor of the virus.
C. The membrane lipids of the bacterial species denatures the virus’ capsid.
D. The virus killed many bacteria but a few members developed resistance to the virus.


18. The DNA sequence of a virus can be found in the ________ of a CRISPR.
A. AT-rich leader
B. tandem repeats
C. spacers
D. any of these locations

Explanation / Answer

17.

All the members of the species express an enzyme that destroys the receptor of the virus.

Explanataion: Adaptive immunity generates immunological memory following an initial response to a particular pathogen and begins to an enhanced response to subsequent encounters with that pathogen

18.

A. AT Rich leader