The intercellular spaces and cell walls of a plant; all the volume of the plant that is not occupied by protoplasm

A protein that is an integral part of a membrane, deeply embedded in it; it cannot be washed out of the membrane easily. Alternative peripheral protein.

The protoplasm of all the cells in a plant are interconnected by plasmodesmata; the entire mass is the symplast or symplasm.

The photosynthetic membranes of chloroplasts

The vacuolar membrane

Any substance that increases the concentration of free protons

A simple polysaccharide containing only glucose residues. Much of starch is amylose

A positively charged ion.

A type of lipid containing two fatty acids and a phosphate group bound to glycerol.

A molecule that has a partial positive charge on one side and a partial negative charge at another side