Homework Help: bio

Posted by Yoo on Monday, April 4, 2011 at 6:16pm.

Supercoiling of DNA can occur (choose all that apply):

A. when double stranded DNA is overwound
B. when double stranded DNA is underwound
C. when double stranded DNA is heated above it's Tm
D. when DNA is treated with nucleases

and

Generally, cellular DNA is:
A. Slightly underwound
B. Slightly overwound
C. Chemically unstable in basic solutions
D.Single stranded

i dont think it is C...I am thinking A or D

bio - SraJMcGin, Monday, April 4, 2011 at 8:47pm
For the first part of your post, please refer to your later post, which I saw first.

For the second, you might try here:

http://search.yahoo.com/search?fr=mcafee&p=whata+do+we+know+about+cellular+DNA

Sra

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