True or false ribosomes stud the surface of rough endoplasmic reticulum

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?