9. The double helix of DNA as determined by Watson and Crick is composed of: A)
ID: 562079 • Letter: 9
Question
9. The double helix of DNA as determined by Watson and Crick is composed of: A) A single stand of phosphodiester linkages B) Two strands in a -sheet C) Two, antiparallel complementary strands D) Two parallel complementary strands 10. Which one of the following statements is correct in relation to the two fundamental differences betweer DNA and RNA? A) DNA has both ribose and uracil, while RNA has 2' deoxyribose and thymine B) DNA has 2'-deoxyribose and thymine, while RNA has ribose and uracil C) DNA has 2',3'-deoxyribose and thymine, while RNA has 2'-deoxyribose and uracil D) DNA has 2',3'-deoxyribose and uracil, while RNA has ribose and thymine
Explanation / Answer
1. Two antiparallel complementary strand was the model given by them.Hence, C is correct option.
2. C is the correct option.DNA contains bases: ATGC while RNA contains bases: AUGC
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