CRISPR Is Considered an Example of Adaptive Immunity in Bacteria

question 22

Multiple Choice

CRISPR is considered an example of adaptive immunity in bacteria and archaea because it

• A) methylates host DNA and destroys invading DNA.
• B) requires host "pac" sites in order to destroy invading DNA.
• C) minimizes damage from foreign DNA by using guide RNA similar to the invader and cas proteins to cleave the foreign DNA.
• D) prevents the production of cell surface receptors that allow phages to get into the cell.
• E) prevents archaeal DNA from infecting bacteria.

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Definitions:

Explicit Memory

Retention of facts and experiences that we can consciously know and “declare.” (Also called declarative memory.)

Conscious Memory

memory that involves the awareness of remembering and which can typically be verbalized.

First President

Refers to George Washington, the inaugural President of the United States, serving from 1789 to 1797.

Explicit Memories

Memories that can be consciously recalled, such as facts and events.