Biology Help Please!

<p>Hi all you great CCers. My little brother desperately needs some biology help and I am afraid I am unable to help him. This is AP level biology info and his final is in a few days. He has a ton of m.c. questions he needs help with. If anyone is available for IM help, please post your screenname. I would really appreciate any help. Thank you so much! </p>

<p>Complex Info on: Krebs cycle, mitosis, punit squares, etc.</p>