Movement of molecules such as salt, sugar, and protein across a membrane is done by
Osmosis
Active transport
Diffusion
Is the spreading out of molecules from a region of low concentration to a region of high concentration
Is the spreading out of molecules from a region of high concentration to a region of low concentration
The difference in concentration should be _____ for the rate of diffusion to be high
High
Low
The surface area should be _______ in order for rapid diffusion
The membrane should be _____ for effective diffusion
Dry
Moist
Cell walls should be ______ for effective diffusion
Thin
Thick
A solvent is a
Liquid that dissolves other substances
A substance that has been dissolved
A substance containing a substance dissolved and a substance that dissolves
A solution is
A liquid that dissolves other substances
A substance that is dissolvd
A substance that includes a dissolved substance and a substance that dissolves
A solute is
A substance that is dissolved
A substance that includes both s substance dissolved and a medium in which it is dissolved
Animal and plant cells in an isotonic solution
Swell
Remain the same
Shrink
Animal and plant cells in a hypotonic solution
Plant and animal cells in a hypertonic solution
The cell wall of bacteria consists of
Polysaccharides/protein
Chitin
The cell wall of fungi consists of
Polysaccharides/proteins