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:

Panethnicity

A unity among various ethnic groups, typically in the context of politics or social movement, which emphasizes commonalities and shared experiences.

Institutional Racism

The systemic distribution of resources, power, and opportunity in our society to the benefit of people who are white and the exclusion of people of color.

De Jure Segregation

Legal separation of groups of people based on law, such as racial segregation that's enforced by legislation.

De Facto Segregation

Racial segregation that occurs not by law, but as a result of voluntary associations and neighborhoods, along with other factors like economic or social conditions.