Did you only take 3 courses? And does (retaken) on calc mean you took it first semester, failed it, and retook it and made a C? Because MD schools do not have any grade forgiveness. DO schools, however, do. And, what the hell does a BC in chem 1 mean?
Well I'm just curious about that stuff. Bottom line is: if you continue like this then no, you will be wasting your time trying to get into med school (or likely any other reputable professional schools for that matter). But no, I promise you that a single bad year does not sink anybody (I had one of the lousiest possible and I got in). But you need to turn it around quick.