Thanks for the information Yggdrasil. I do have the option of taking other GRE tests, but I figured that the chemistry one is the most applicable(especially since I have to consider multiple graduate programs and they might not all be as lenient as each other) and I should know the information, its just studying it all so quickly is the problem.
I actually talked to Jim Wells yesterday at a speech at UCSC at the grand opening of the new chemical screening center . He recommended those two programs at UCSF and said that the computational faculty have access to both departments, so I really just have to choose one of the two to apply to. Unfortunately, they both require a subject test so no matter what I do, I have to take the Chemistry GRE.
I originally considered bioinformatics because I love computers as well as biology and chemistry, but I ultimately decided that small molecule pharma was more interesting than proteins to me throughout my college experience so I'm trying to go for programs that are very strong in this field, and they all seem to require the subject exam. However, I will definitely take your suggestion of contacting the department because the broad nature of a bioinformatics undergraduate degree didn't really prepare me 100% for any of the eligible GRE subject tests. If I am lucky I might only have to get around the 675 average, but from a personal standpoint I want to do better.
I looked at the ETS site for some information and have a review book from Princeton Review, but I was also hoping for some information from people with experience on the test just to get some first hand perspective.
Thank you again for the response though because as of now I'm just trying to figure out how to deal with this massive obstacle that just suddenly appeared yesterday because I have been barely able to find graduate programs that fit my interests let alone check the admissions requirements to those programs. Any and all information is greatly appreciated.