<span>Microtubules form from dimers of Alpha and Beta subunits that polymerize into a hollow tube. Alpha and beta subunits refer to tubulin. There are things that can stop this from happening, and when one of these events occurs, de-polymerization is called "catastrophe".</span>
Answer:It is known as a concentration gradient which in diffusion will always flow from ares of high concentration to areas of low concentrations
So i believe the answer to this is A.
Explanation:
i think that before the Krebs cycle begins, pyruvic acid, which has three carbon atoms, is split apart and combined with an enzyme known as CoA.
Answer:
quiz on what.so tht i can partake