A Northern Blot Differs from a Southern Blot in the

question 21

Multiple Choice

A northern blot differs from a Southern blot in the

• A) number of genetic sequences detected.
• B) type of nucleic acid being isolated.
• C) type of probe used.
• D) size of the genetic sequences involved.
• E) presence or absence of a nitrocellulose membrane.

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Definitions:

Cell-mediated Immunity

A component of the immune system that involves the activation of certain immune cells to fight off pathogens, distinct from antibody-mediated immunity.

Antibodies

Proteins produced by the immune system in response to antigens, capable of specifically binding to and neutralizing them.

Plasma Cells

White blood cells that produce antibodies against pathogens.

Different Antibodies

Diverse proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.