Agree with @ucbalumnus that UC’s are very GPA focused and for some of the campuses even with a 4.0+ GPA and very good test scores there is no guarantee of an acceptance especially for Biology which is a capped major or impacted major.
Freshman admit rates for UC GPA of 3.80-4.19:
UCB: 12%
UCLA: 14%
UCSD: 39%
UCSB: 49%
UCD: 52%
UCI: 57%
UCSC: 83%
UCR: 90%
UCM: 92%
Good Luck.