A section of a DNA molecule has the coding sequence AGGCAATGGC. Which of the following statements are correct? 1. There are 3 pyrimidines in this coding sequence. 2. In the double-stranded DNA for this section, there are 26 hydrogen bonds between complementary bases. 3. This double-stranded DNA section contains 20 sugar-phosphate bonds.
- A1, 2 and 3
- B1 and 2 only
- C1 and 3 only
- D2 and 3 only