Physical Science Review 8.4: Question Preview (ID: 15667)

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What category of organic molecules are sugars?
a) carbohydrates b) nucleic acids c) proteins d) lipids
What category of organic molecules is cholesterol?
a) lipids b) nucleic acids c) carbohydrates d) proteins
The monomers of proteins are
a) amino acids b) nucleotides c) fatty acids d) sugars
DNA and RNA are composed of
a) nucleotides b) fatty acids c) amino acids d) sugars
Which organic molecules serve as helpers for a variety of chemical reactions in the body?
a) vitamins b) minerals c) water d) proteins
Which molecules are ions needed by the body?
a) minerals b) vitamins c) water d) proteins
What is the function of proteins?
a) build body parts b) repair body parts c) regulate cell activities d) all the choices
Which of the following lipids does not provide energy?
a) cholesterol b) fats c) waxes d) oils
___________ is sometimes called fiber and ___________ be digested
a) cellulose; cannot b) cellulose; can c) starch; cannot d) starch; can
______________ fatty acids are found in _____ and contain one or more double bonds
a) unsaturated; oils b) unsaturated; fats c) saturated; fats d) saturated; oils
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