Q: What do we call a peptide hormone composed of nine amino acids that lowers blood pressure? A:
OPTIONS:
- angiotensin
- parcnid
- bufotenin
- bradykinin

Answer: bradykinin

Q: What is one problem with current methods of aluminum production? A:
OPTIONS:
- food shortages
- competition
- recycling is cheap
- environmental contaminants

Answer: environmental contaminants

Q: After fertilization is complete, no other sperm can enter. the fertilized ovule forms the seed, whereas the tissues of the ovary become this? A:
OPTIONS:
- plant
- wheat
- vegetables
- fruit

Answer:
fruit