What is osmosis? * A. Diffusion of water through a semi-permeable membrane
O B. A type of active transport
C. The movement of sugar into a cell
D. none of the above

Osmosis is a diffusion of water through a semipermeable membrane :3

Explanation:

:3

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.