1. Which of these is a purine?
1 of 10
Other questions in this quiz
2. When one chromosome replicates two new sister ..... are formed?
3. At which stage of mitosis does the nucleus disappear?
4. What is the bond joining two nucleotides together called?
- Hydrogen bonds
- Phosphodiester bond
- DNA helicase
- Ionic bonds
5. How many polynucleotide strands does one molecule of DNA have?