The answer to this question is A (Because Earth rotates on its axis.)
It is like a bad driver. Let's pretend I am just learning how to drive, and I get a bad grade well, for Cancer it's the same way. If you don't treat it fast enough it can kill you. Or if you don't catch it in time it can lead to lots of different bad liabilities.
Kinesin has a tail region that binds to vesicles and two heads that can attach to microtubules.
