Q: Nitrogen is a very important element to living things, because it is part of nucleotides and amino acids that are the building blocks of nucleic acids and these? Choices: - cells - lipids - follicles - proteins A:
proteins
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Q: How do you test a hypothesis? Choices: - write things on paper - ask a co-worker about it - think of how they would work - conduct experiments A:
conduct experiments
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Q: Reaching conclusions about unobserved things on the basis of what has already been observed is known as what kind of reasoning? Choices: - primitive - reductive - conductive - inductive A:
inductive
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Q: Each kidney is supplied by a renal artery and what else? Choices: - spinal cord - brain vein - coronary artery - renal vein A:
renal vein
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