I need help with this

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.

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not

Agram of fat oxidized by cellular respiration produces approximately as much atp as a gram of carbohydrate.