Question

Which of the following substances MOST easily travels across a cell membrane?

Answer 1

Water molecules, it’s most likely to be involved in simple diffusion

Answer 2

Answer:

water molecules

hormones

Explanation:

Water molecules can easily pass through semi-permeable membrane of the cell by Osmosis . Osmosis is a process in which molecules moves from a region of lower concentration to the region higher concentration through a semipermeable membrane of the cell. Water move easily as compared to other molecules because water has very small size.