Question

A protein called GEF-H1 is known to control immune responses to certain viruses such as influenza A. GEF-H1 is best classified as which kind of protein?

a structural protein
an antibody
an enzyme
a messenger protein

Answer 1

Answer;

An antibody

Protein GEF-H1 is an example of an antibody.

Explanation;

• Antibodies are protein molecules that are produced by the B-cells of the immune system in response to foreign bodies, known as antigens, such as pathogens like bacteria and viruses.
• Antibodies target specific of foreign bodies, identifies them by recognizing specific part of these foreign bodies and neutralizes them using various mechanisms.

Answer 2

An antibody, because antibodies are produced for a specific virus and are unique to that virus, that protein is the response to influenza.