What is osmosis and how does it work?
Osmosis is the movement of water across a semi-permeable membrane, down the concentration gradient. This means that if there is more water on one side of a membrane, it will move to the other side until both sides are equal. Water can move across these membranes, because it is a small molecule with a relatively small charge. Bigger molecules and charged ones, like ions, can't move across.
NW
Related Biology GCSE answers
All answers ▸What is a synapse in the nervous system?
Mom has blood type A and father has blood type B. a) If mom has AA and dad B.B. genotype, determine their children’s genotype. b) If mom has AO and father has B.B. genotyoe, determine their children’s genotype and the likelihood.
Describe the steps that occur in allopatric speciation or geographical speciation.
Describe the impulse process in a simple reflex action