ATP and ADP both play a role in cellular reactions involving energy. How are these two molecules related? A Adding a phosphate group to ADP produces ATP and releases energy.

B. ATP breaks down to produce ADP and a phosphate group, releasing energy

C. ADP breaks down to produce ATP and a phosphate group, releasing energy

D. Adding a phosphate group to ATP produces ADP and releases

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.