Question

Of the following choices, which would require the cell to expend energy to move it across the membrane?
Answer

water

oxygen

carbon dioxide

protein

Answer 1

Potatoes, like most cells, are composed of approximately 99% water. When freshly peeled potatoes are placed into a bowl of pure water, what will happen to the potatoes?
Answer

they will shrink due to water leaving the potato

they will have no change since the amounts of water entering the potatoes will balance the amounts of water leaving the potatoes

the potatoes will absorb some of the water and become firmer

the potato cells will absorb a great deal of water and burst

Answer 2

1.) protein
2.)the potatoes will absorb some of the water and become firmer