Biochemistry Review

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1)    Which of the following is NOT one of the 4 major organic molecules found in living things?

a)    Nucleic Acids

b)    Proteins

c)    Carbohydrates

d)    Water

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1)    What is the name of the biological substance that speeds up chemical reactions?

a)    cellulose

b)    lipid

c)    enzyme

d)    sugar

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When does hydrolysis occur?

a)    When two molecules bond together

b)    When chemical bonds are broken

c)    When two molecules share electrons

d)    When hydrogen bonds are formed

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Polymerization requires the formation of ____ bonds.

a)    metallic

b)    covalent

c)    ionic

d)    Hydrogen

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What is the bond that connects water molecules to each other

a)    Covalent bond

b)    Hydrogen bond

c)    Ionic bond

d)    Hydrophobic bond

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Water droplets sticking to a window after a rainfall is an example of what water property?

a)    Cohesion

b)    Capillary action

c)    Adhesion

d)    Surface tension

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