Q: What do cells secrete that binds to receptors? Choices: - stress - endorphans - proteins - factor A:
factor

(Question)
Q: The voltages generated at a power plant are stepped up by what passive devices, which then reduce voltage to a safe level at the point of use? Choices: - transistors - batteries - capacitors - transformers A:
(Answer)
transformers

Ques: Q: Pluto's orbit is so elliptical that sometimes it is inside the orbit of which planet? Choices: - titan - Mars - Earth - neptune A:
Ans: neptune

(Q).
Q: Animal-like protists are called what? Choices: - bacteria - genus - larvae - protozoa A:
(A).
protozoa

Ques:Q: Because they control many cell activities - as well as being controlled by feedback mechanisms - what substances are very important for homeostasis? Choices: - acids - proteins - enzymes - hormones A:

Ans:hormones

Q: What does fiber help keep at normal levels in the body? Choices: - salt and cholesterol - bloodpressure - hydration - sugar and lipids A:
sugar and lipids