Answer:
no they are always working especially when sleeping becuase the body isnt using excess energy
It has a rough appearance because the surface is covered with ribosomes that produce protein. ..... I hope this helps :)
A. Nutrients and other materials pass through the cell membrane through the process of diffusion. This allows the cell to perform all the activities it requires for daily maintenance and living. The concentration gradient allows the cell to regulate just how much of a certain material passes through it.
_______________ reactions transfer energy to the surroundings, usually as heat.
C. Exothermic
Ascending large intestine, transverse, and descending