He discovered a new type of medicine that could treat infections.
He discovered the 1st antibiotic (penicillin).
The correct answer is letter B. The carpel of most flowers is made up of the stigma, the style, and the ovary. Carpel refers to the female reproductive organ of a flower, it is necessary in the increase of the population of plants and the growth of matures seeds that eventually become fruits that can be eaten or consumed by organisms.
Biology helping with medical research and treatment
Myosin and actin protein filaments attach to each other . Calcium ions release into myofibrilles . Myosin filaments pull on the actin filaments
