Why did most scientists assume that the bases of DNA should be on the outside of the helix?
a. the bases were easily digested by DNA cutting enzymes
b. the hydrogen bonding between sugar and phosphate would form a helix as well
c. the bases needed to be accessible for replication
d. a single-stranded DNA molecule would not be able to support the bases on the interior
e. the bases were hydrophobic
ANSWER: c
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Indicate whether this statement is true or false.
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A. aldosterone B. melatonin C. prolactin D. luteinizing hormone E. growth hormone
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