Question: Q: What type of protein fibers in the cytoskeleton are the narrowest? Choices: - macrophages - mitosis - capillaries - microfilaments A:
Answer: microfilaments

Question: Q: What umbrella term describes small structures that exist within cells and perform specialized functions? Choices: - macromolecules - atoms - organisms - organelles A:
Answer: organelles

Question: Q: What are the three stages of water? Choices: - ice, rock, sky - vapor, earth, internal - liquid, underground, frozen - ice, liquid, vapor A:
Answer:
ice, liquid, vapor