Q: The cubic crystal system is composed of how many different types of unit cells? Choices: - one - four - five - three A:
three
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Q: The structure of the human tail bone is called what? Choices: - a abnormal structure - a vital structure - an artifact - a vestigial structure A:
a vestigial structure
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Q: What is often a result of untreated atherosclerosis? Choices: - cancer - heart disease - seizures - a heart attack or stroke A:
a heart attack or stroke
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Q: Where does the natural synthesis of lactose occur? Choices: - ovarian tissue - nervous tissue - liver tissue - mammary tissue A:
mammary tissue
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