Abeka 9th grade Science (Matter and Energy) quiz 32

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10 Terms

1
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carbon

What element forms more chemical compounds than all other elements . combined ?

2
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glycogen

What polysaccharide is used for short - term fuel storage in animals and people ?

3
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unsaturated fat

What type of lipid is liquid at room temperature and contains double bonds between carbon atoms ?

4
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enzymes

What are special proteins that initiate or regulate chemical reactions ?

5
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polymer

What is the general term for a huge organic molecule composed of many smaller molecules linked together ?

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peptide bond

What type of bond links amino acids into proteins ?

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aromatic hydrocarbons

have a cyclic structure with delocalized electrons

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alcohols

one or more hydrogen atoms are replaced by -OH groups

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alkenes

have one or more double bonds between carbon atoms

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carboxylic acids

contain the functional group - COOH