This organelle is called C. Plasma or cell membrane.
B
Publish his findings in a research journal because he is experimenting what medicinal properties can be tested or are associated with the plant. He should have kept the notes in a research journal for making observations so B.
Ampicillin is a prescription penicillin-type antibiotic used to treat many different types of infections caused by bacteria, such as ear infections, bladder infections, pneumonia, gonorrhea, and E. coli or salmonella infection.
Answer is B.
Antagonist is a drug that blocks the action of the neurotransmitter.
Hope it helped you.
-Charlie