Question: Q: What kind of power plant uses energy to heat water that becomes steam and spins turbines? Choices: - hydroelectric - coal - wind - nuclear power plants A:
Answer: nuclear power plants

Question: Q: Some enzymes require the presence of a non-protein molecule to function properly. what is that molecule called? Choices: - substrate - coenzymes - prothetic - cofactor A:
Answer: cofactor

Question: Q: A hair grows out of a follicle and passes through what before extending above the skin surface? Choices: - dermis - callus - cartilage - epidermis A:
Answer:
epidermis