The Cell and Its Environment - SS1 Biology Past Questions and Answers - page 1
__________ refers to the movement of molecules or ions from an area of higher concentration to an area of lower concentration, across a semi-permeable membrane or within a fluid medium.
diffusion
osmosis
plasmolysis
__________ refers to the movement of solvent molecules (usually water) across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
diffusion
osmosis
1. hemolysis
In a biological system, when the solute concentration inside and outside the cell is the same, the solution is said to be ________
isotonic
hypotonic
hypertonic
A situation when a cell swells and potentially bursts is known as _______
Hypolysis
lyse
Neurolysis
What are the key differences between plasmolysis and lyse
(a) Plasmolysis is a situation where cells shrink whilst lyse is a situation where cells
(b) Plasmolysis takes place in hypertonic solutions whilst lyse occurs in hypotonic solutions.