What statement is true of channel and carrier proteins? A)Channel and carrier proteins can only move substances in one direction.

B)Channel proteins undergo a shape change, while carrier proteins do not.

C)Channel and carrier proteins always move substances from the side of the
membrane with the highest concentration to the side with the lowest concentration.

D)Channel and carrier proteins always move substances from the side of the membrane with the lowest concentration to the side with the highest concentration.

the animal that would be cutest if scaled down to the size of a cat? elephant

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.