Define osmosis

Osmosis is the free movement of water molecules across a partially permament member from high water potential to low water potential, down the water potential gradient, without the input of energy.

RH

Related Biology GCSE answers

All answers ▸

What is negative feedback?


Explain how human body temperature is maintained by homeostasis?


A gene often has two alleles. One allele is dominant and the other allele is recessive. When is a recessive allele expressed as a characteristic?


How can the use of antibiotics contribute to bacteria becoming resistant?