Q: Between meals, when the level of blood glucose drops below a certain point, a signal is sent to what organ saying "make more glucose"? Choices: - pancreas - kidney - brain - liver A:
liver

Q: Plants obtain the molecules for cellular function though what? Choices: - tissues - nutrients - Plants - photosynthesis A:
photosynthesis

Q: Q: Where is the pituitary gland? Choices: - thyroid - heart - lung - brain A:
A: brain

Question: Q: What form of radiation is the energy emitted by the sun? Choices: - seismic - magnetic - thermal - electromagnetic A:
Answer: electromagnetic

*Question*
Q: What term means an area where two closely related species continue to interact and reproduce? Choices: - homozone - heterozone - common zone - hybrid zone A:
**Answer**
hybrid zone

*Question*
Q: What are the active transport mechanisms by which molecules enter and leave the cell inside vesicles? Choices: - endocytosis and oxidation - oxidation and exocytosis - dielectric and exocytosis - endocytosis and exocytosis A:
**Answer**
endocytosis and exocytosis