Question: Q: Covalent compounds form individual molecules rather than what? Choices: - carbon - chemicals - atoms - crystals A:
Answer: crystals

Question: Q: The effect of gravity on circulation means that it is harder to get blood up from the legs as the body takes on this? Choices: - frontal orientation - dorsal orientation - horizontal orientation - vertical orientation A:
Answer: vertical orientation

Question: Q: In a cell cycle, what kind of regulator molecules allow advancement to the next stage? Choices: - strong - similar - negative - positive A:
Answer:
positive