a protein called gef - h₁ is known to control immune responses to certain viruses such as influenza a. gef…

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?\n a structural protein\n an antibody\n an enzyme\n a messenger protein
Answer
Brief Explanations:
Structural proteins provide physical support. Antibodies are part of the immune - system but are specific Y - shaped proteins for antigen binding. Enzymes catalyze chemical reactions. Messenger proteins transmit signals. Since GEF - H1 controls immune responses, it is involved in signaling, so it is a messenger protein.
Answer:
a messenger protein