DNA and RNA are different types of nucleic acid polymer. Which of the following is true of DNA but not true of RNA?
(a) It contains uracil.
(b) It contains thymine.
(c) It is single-stranded.
(d) It has 5'-to-3' directionality.
Answer: B
DNA and RNA are different types of nucleic acid polymer. Which of the following is true of DNA but not true of RNA?
(a) It contains uracil.
(b) It contains thymine.
(c) It is single-stranded.
(d) It has 5'-to-3' directionality.
Answer: B