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Class 12 Biology Practice Test: Biotechnology Principles and Processes - Processes of Recombinant DNA Technology
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Class 12 Biology Practice Test: Biotechnology Principles and Processes - Processes of Recombinant DNA Technology
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25 Questions

1. DNA moves towards ______ during agarose gel electrophoresis.
2. Which chemical is used to obtain a precipitate of pure DNA?
3. The enzyme which cleaves DNA is _______
4. The transformants containing ______ gene will grow on plates containing antibiotics.
5. Downstream processing also involves _________
6. The nucleic acid in most of the organisms is ______
7. _______ culturing method produces higher biomass and higher yield of the desired product.
8. DNA is _____ charged.
9. ______ is the monomer of proteins.
10. Which protein helps in DNA winding?
11. What does PCR stand for?
12. If any protein-encoding gene is expressed in a heterologous host, it is called a _______ protein.
13. The common bacteria used in genetic engineering is _____
14. Bioreactors can contain volume up to ______ litres.
15. What facilitates the even mixing of ingredients within a bioreactor?
16. Which culture system is used to obtain cells in the exponential phase?
17. How many stages does a bacterial growth curve have?
18. _______ is the building block of carbohydrates.
19. Which enzyme helps in joining of DNA?
20. The fungal cells can be lysed by using ______ enzyme.
21. The enzyme which cleaves proteins is ______
22. The antibiotic resistance gene can be used as ________ marker for selecting transformants.
23. The plant cells can be lysed by using ______ enzyme.
24. Taq polymerase is obtained from _______
25. Which macromolecules are present along with DNA within the cell?

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