Q: Chloroplasts are the little green particles in plants made up of what colorful pigment? Choices: - verdigris - carbonate - melanin - chlorophyll A:
chlorophyll
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Q: What fills the epidermal cells that make up fingernails and toenails? Choices: - cellulose - chromatin - amino acids - keratin A:
keratin
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Q: The four major classes of biological macromolecules include carbohydrates, lipids, proteins, and what else? Choices: - liquids - fats - structural acids - nucleic acids A:
nucleic acids
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Q: Many adolescents experience frequent mood swings. name one of the causes for this. Choices: - maturing nervous system - psychological changes - growing hormones - surging hormones A:
surging hormones
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