Biology > 2012 > 55
WASSCE
In the structure of DNA, which of the following statements is true?
A.
The double helix are held together by covalent bonds
B.
Nucleotide is made up of ribose, phosphate and an organic nitrogen compound
C.
Guanine is the opposite of cytosine
D.
Adenine is the opposite of cytosine
Answer: C
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