RNA molecules differ from DNA molecules in several ways.(choose the best answer. )
A) RNA molecules are single-stranded;their nucleotides include the sugar ribose and the nucleotide uracil.
B) RNA molecules are double-stranded;their nucleotides include the sugar ribose and the nucleotide uracil.
C) RNA molecules are single-stranded;their nucleotides include the sugar deoxyribose and the nucleotide uracil.
D) RNA molecules are double-stranded;their nucleotides include the sugar deoxyribose and the nucleotide uracil.
E) RNA molecules are triple-stranded;their nucleotides include the sugar glucose and the nucleotide uracil.

Question

Quizplus · Accepted Answer

RNA molecules are single-stranded and their nucleotides include the sugar ribose and the nucleotide uracil. This is in contrast to DNA molecules, which are double-stranded and their nucleotides include the sugar deoxyribose and the nucleotides thymine. Option B, D, and E are incorrect because RNA molecules are not double-stranded and do not contain deoxyribose or glucose sugars. Option C is incorrect because RNA molecules contain ribose sugar, not deoxyribose sugar.

RNA Molecules Differ from DNA Molecules in Several Ways