Biology 122 - Introduction to Biology » Summer 2021 » Biochemistry Quiz 3

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Question #1
Water molecules form hydrogen bonds because
A.   the oxygen molecule is positively charged.
B.   the hydrogen atoms are negatively charged.
C.   the water molecule is polar.
D.   the water molecule forms a tetrahedron.
Question #2
What property do all lipids have in common?
A.   All are enzymes
B.   A common monomer
C.   Hydrophobic
D.   Hydrophilic
Question #3
Hydrogen bonds hold the two strands a DNA molecule together.
A.   FALSE
B.   TRUE
Question #4
Denaturation (loss of its three-dimensional shape) has no effect on the shape and function of a protein.
A.   FALSE
B.   TRUE

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