Question: Q: What do plants lose the most of through the stomata? Choices: - energy - chlorophyll - heat - water A:
Answer: water

Question: Q: Biological macromolecules are organic, which means that they must contain what? Choices: - hydrogen - aluminum - oxygen - carbon A:
Answer: carbon

Question: Q: E. coli uses how many enzymes to take up and metabolize lactose? Choices: - 4 - 11 - 2 - 3 A:
Answer:
3