HELP: Don't know what to take before MCAT

So I am currently a rising junior, biomedical engineering major, who plans to take the MCAT at the end of my junior year.

I have already taken gen chem 1 and 2, physics 1 and 2, bio 1, orgo 1, & 2 physiology classes. I plan on taking biochemistry in the fall. Basically I haven't taken orgo 2 yet or a second biology class and do not know if I will be able to squeeze them in before the end of my junior year.

Is is crucial to take orgo2 before the MCAT? I am pretty good with studying on my...

HELP: Don't know what to take before MCAT