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What are the major non covalent interactions that stabilize the ONA double helic

ID: 1010627 • Letter: W

Question

What are the major non covalent interactions that stabilize the ONA double helical structure phosphor esterase bonds Hydrogen bonds UN -glycoside bonds 0. salt bridges London dispersion force Which of the following makes RNA much less stable at basic conditions than ONA RNA is single stranded RNA has different nucleic base from those of DNA RNA has hydroxyl group at 2' position RNA has less negative charge than DNA E. RNA is more acid that ONA Electroporation' is used in DNA cloning process to cut DNA more accurately kill the cells that are not transformed make cell membrane permeable to plasmid vector make cell produce more copies of desired DNA isolate desired DAN fragment

Explanation / Answer

6) Ans: A, D, E.

Reason: The sugars which are having the free Aldegyde group or free keto group is called reducing sugar.

These can act as a reducing agents.

7) Ans: (B) - Hydrogen bonds.

8) Ans: (B)

Reason: RNA containes Uracil base which is absent in DNA.

9) Ans: (C)

Reason: The process of introducing DNA or chromosomes into bacteria or other cells using a pulse of electricity to open the pores in the cell membranes.

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