Posted by buba on Monday, May 7, 2012 at 10:50am.
Since Jiskha does not have a regular biology tutor, you might try these sites:
http://www.khanacademy.org/
Scroll down on this webpage to find the biology section.
http://biology-forums.com/index.php
If there is a tutor here who can help you with this particular question, I'm sure he/she will add a response.
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