7. DNA and Chromosome Structure

Which of the following best explains why RNA molecules are generally smaller than DNA molecules?

Which nucleotide is found in RNA but not in DNA?

RNA molecules that assist with intron splicing are called:

Which of the following provides evidence that RNA probably evolved before DNA?

Which property is primarily responsible for the functional versatility observed in RNA molecules?

Which nitrogenous base is found in RNA but not in DNA?

Which structural feature is shared by both DNA and RNA molecules?

Which of the following characteristics of Figure 1 best indicates that the fragment is RNA and not DNA?

RNA differs from DNA in that:

Which nitrogenous base is present in RNA but not in DNA?

Which of the following best describes the typical number of strands found in a molecule of RNA?

Which of the following best describes the typical structure of RNA molecules?

Which of the following sequences represents a strand of RNA bases?

Which of the following sequences correctly represents a strand of RNA bases?

Which of the following is a base that is found in RNA but not DNA?