Q: Which system transports oxygens to cells? Choices: - vascular system - nervous system - oxy system - circulatory system A:
circulatory system

(Question)
Q: The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids? Choices: - protons - proteins - lipids - peptides A:
(Answer)
peptides

Ques: Q: Light reactions occur during which stage of photosynthesis? Choices: - intermediate stage - third stage - final stage - first stage A:
Ans: first stage

(Q).
Q: Which radio frequency should you listen to if you want less noise? Choices: - am - wave - cb - fm A:
(A).
fm

Ques:Q: What are all living things made of? Choices: - water - proteins - muscles - cells A:

Ans:cells

Q: What term means the percent by mass of each element in a compound? Choices: - molecular composition - calculated composition - mass composition - percent composition A:
percent composition