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A LEVEL BIOLOGY - EXCHANGE AND TRANSPORT 1

Horizontales
Type of protein in a cell membrane that allows the facilitated diffusion of large molecules. The molecule attaches to this protein which then changes shape.
A machine that allows light of a specific wavelength through a liquid. A way of measuring the permeability of a membrane.
A molecule which is the main component of cell membranes.
A component of phospholipids which face inwards and are water hating (two words).
A membrane that allows some substances across but not larger molecules (two words).
A molecule on the surface of the cell membrane which has a carbohydrate attached.
A type of diffusion where particles pass through the cell membrane through carrier or channel proteins.
Piece of equipment placed into a colorimeter and allows light to pass through the sample.
Verticales
Channel proteins that allow water to be reabsorbed into the body.
Type of model describing the arrangement of molecules in a cell membrane.
A molecule found throughout the cell membrane which gives the membrane stability.
Net movement of particles from an area of higher concentration to an area of lower concentration.
A component of phospholipids which face outwards and are water loving (two words).
A molecule on the surface of the cell membrane that has a lipid attached.
A type of protein that forms a pore in a cell membrane and allows facilitated diffusion of charged particles.