Your patient took biology many years ago. You remind her of the structure of DNA and RNA. Which statement is not correct?
A) DNA is usually a double-stranded, helical structure composed of nucleotides, each of which contains a sugar, a phosphate group, and a nucleobase (A, T, C or G).
B) The two strands of DNA are complementary and are held together by hydrogen bonds between the nucleobases.
C) RNA is a single-stranded molecule composed of nucleotides that contain the nucleobases adenine, thymine, uracil, or cytosine
D) RNA nucleotides contain the 5-C sugar ribose while DNA nucleotides contain the 5-C sugar deoxyribose.
E) A single linear strand of DNA will always have a 5?PO4 at one end and a 3?OH at the other, referred to as the 5? end (5 prime end) and the 3? end (3 prime end) respectively.
Answer: C) RNA is a single-stranded molecule composed of nucleotides that contain the nucleobases adenine, thymine, uracil, or cytosine
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The bacteria that cause botulism CANNOT
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