Q: What adds phosphate groups to receptor proteins at the surface of the cell? Choices: - nitrogen kinases - brain kinases - protein kinases - receptor kinases A:
receptor kinases

(Question)
Q: How is a reaction described when the given conditions favor formation of products? Choices: - instantaneous - fluctuations - planned - spontaneous A:
(Answer)
spontaneous

Ques: Q: What measurement is used to describe the amount of water vapor in the air? Choices: - precipitation - barometric pressure - heat - humidity A:
Ans: humidity

(Q).
Q: The development of multi-cellular organisms begins from a single-celled zygote, which undergoes rapid cell division to form this? Choices: - gametophyte - multicell - eukaryote - blastula A:
(A).
blastula

Ques:Q: Human blood has a buffering system to minimize extreme changes in what? Choices: - sodium level - calcium - ions - ph A:

Ans:ph

Ques: Q: What is stored and concentrated in the gallbladder? Choices: - calcium - oxygen - insulin - bile A:
Ans:
bile