How do enzymes speed up reactions? A. by lowering the activation energy

B. by breaking down other enzymes

C. by raising the temperature

Name the organs of humanelemintary canal.

If animal agriculture was eliminated, how much grain would become available for human consumption?

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.