Comparing DNA and RNA

Which of the following characteristics is NOT seen in both DNA and RNA?

• A single strand

• Adenine

• Cytosine

• A double helix

Which of the following statements is correct about the differences between DNA and RNA?

• RNA contains the same bases as DNA, except uracil is present instead of guanine

• DNA is not present in prokaryotes, while RNA is

• DNA is present as a single-stranded molecule while RNA is double-stranded

• The sugar molecule in RNA has one more hydroxyl group than the sugar molecule in DNA

Which of the following statements is false?

• DNA uses thymine, while RNA uses uracil

• DNA and RNA utilize different sugars in their sugar-phosphate backbones

• DNA is typically double-stranded, while RNA is typically single-stranded

• DNA is a polymer, while RNA is a not

Which of the following is not a true characteristic of an RNA molecule?

• It contains deoxyribose sugar

• It can be single stranded

• It can be double stranded

• It contains deoxyribose sugar

Which of the following choices is an element common to both DNA and RNA molecules?

• Both are often single-stranded

• They can both be found in the nucleus

• There is deoxyribose sugar in both of their sugar-phosphate backbones

• Both contain the nucleotide uracil

Which of the following are properties of RNA?

• Deoxyribose, uracil, and a globular structure

• Deoxyribose, ribose, and uracil

• Ribose, uracil, and a linear structure

• Deoxyribose, thymine, and a linear structure

In DNA adenine (A) bonds to thymine (T) and guanine (G) bonds to cytosine (C). What is the bonding scheme in RNA?

• A-C and G-U

• A-U and C-G

• A-T and C-G

• None of these

Which of the following choices displays complementary DNA strands?

• 3’-ATTGC-5’

  5’-ATTGC-3’

• 3’-AUUGC-5’

  5’-UAACG-3’

• 3'-ATTGC-5’

  5’-TAACG-3’

Which of the following could be a segment of DNA?

• 5'-CTCGTG-3'

  3'-GATCTC-5'

• 5'-AGATAG-3'

  3'-GATCTC-5'

• 5'-CTCGTG-3'

  3'-AATGTA-5'

• 5'-CTAGAG-3'

  3'-GATCTC-5'

Which of the following describes the components of a nucleotide?

• ATP, a pentose sugar, and a nitrogenous base

• A phosphate group, a pentose sugar, and an amino acid

• A phosphate group, a hexose sugar, and a nitrogenous base

• A phosphate group, a pentose sugar, and a nitrogenous base