BIOLOGY
JAMB 2006 - Question 20
Biology 2006 JAMB Past Questions - Question 20: The diagram represents the structure of
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
D
Explanation
DDNA consists of two chainsof nucleotides that are twisted to form a double helix. The chains are made upof alternating phosphate and deoxyribose sugar.DNA is found in the genes whichare located on the chromosomes.

