According to Kinsey's sexual behavior study, approximately 21 percent of men and 6 percent of women had sexual intercourse by the age of 16. (Please mark me brainliest! thank you in advance!!)
47) A) <span>Metaphase
48) C) </span><span>manufacturing proteins
49) B) Sperm and Egg cells
Hope this helps!</span>
Answer:
membrane
Explanation:
active transport pumps molecules and ions against their membrane gradient using atp. I think this is the right answer
D, they make the energy and the energy level only gets smaller the higher you get.