In the absence of growth factor, most animal cells will stop the cell cycle at a restriction point in what stage

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight