She looks like..

Absolutely!
She looks a lot like Eden Sher!
Look at a google image search for each, then go back and forth between the result pages and it becomes pretty obvious:

http://www.google.com/search?q=mayim+bialik&hl=en&tbo=d&so urce=lnms&tbm=isch&sa=X

http://www.google.com/search?q=eden+sher&hl=en&tbo=d&sourc e=lnms&tbm=isch&sa=X

"He who thinks something is foolproof has underestimated the ingenuity of fools."