

MCQOPTIONS
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1. |
Which structural feature is found in the single-stranded DNA molecule? |
A. | It can have a negatively-charged backbone composed of nitrogenous bases. |
B. | Each 3 ,5 -phosphodiester bond will contain one phosphate group linking two deoxyribose sugars |
C. | It can have one end with a 5 -phosphate group while the other end has a 2 -hydroxyl group. |
D. | Each purine and pyrimidine will be paired with a complementary base. |
Answer» C. It can have one end with a 5 -phosphate group while the other end has a 2 -hydroxyl group. | |