Skip to content
Back to quiz
6. The chains of DNA are twisted into a shape called a...
- Double Spiral
- Double helix
- Spiral
7. DNA has...
- Two long chains of alternating sugar and phosphate molecules
- Two long chains of bases
- Two long chains of chromosomes
- Two long chains of genes
8. Who is credited to the discovery of DNA in 1953?
- Watson and Crick
- Franklin and Wilkins
9. DNA stands for...
- Deoxyribose nucleic acid
- Deoxygen nutrient acid
10. The chains of DNA in the structure are joined by....
- Chromosomes
- DNA
- Bases
- Genes
11. The base 'Adenine' A always joins in a pair to....
- Thymine T
- Cytosine C
- Guanine G
12. What is DNA?
- A nucleic acid
- A chromosome
13. The order of the bases forms a...
14. Who used X-Ray crystallography to work out the structure of DNA?
- Wilkins and Franklin
- Watson and Crick
15. DNA determines which amino acids are linked together in order to form the protein a cell needs