AQA AS Biology 2

Welcome to your AQA AS Biology 2

1. Which property of water helps water skating insects to move on the surface of water?
2. Who discovered the double helix structure of DNA?
3. Select the incorrect statement with regard to ATP.
4. Which of the following is a polymer of nucleotides?
5. Which of the following is responsible for transfering genetic information from DNA?
6. The final product of DNA replication.
7. Which of the following is not necessary for DNA replication?
8. Which property of water provides a cooling effect with little loss of water through evaporation?
9. The site of DNA replication.
10. A condensation reaction between two nucleotides forms the following bond.
11. Select the incorrect statement with regard to water.
12. Which of the following is exposed upon unwinding the double helix structure of the DNA during DNA replication.
13. Select the incorrect sentence out of the following.
14. The enzyme responsible for unwinding the double helix structure of the DNA during DNA replication.
15. Which property of water makes it bead up on waxy surfaces?
16. Select the correct statement with regard to water.
17. How many haem groups are present in a complete haemoglobin molecule?
18. How many oxygen molecules at a time could be carried by a haemoglobin molecule?
19. The organic base not found in DNA.
20. Choose the incorrect statement regarding DNA replication.
21. The enzyme responsible for forming hydrogen bonds during the process of DNA replication.
22. The type of bond broken by the enzyme DNA helicase during DNA replication.
23. Choose the correct statement regarding DNA replication.
24. Select the incorrect statement with regard to DNA replication.
25. Which of the following statement is incorrect regarding RNA?