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Unit 5 Bio Vocab

TermDefinition
Monomer The smallest part of the molecule; the building block.
Polymer The longer/larger molecule that is made up of smaller parts.
Diffusion Particles randomly move from close together to far apart based on energy resulting in even distribution with continual motion. (Particles move from high to low concentration).
Osmosis The movement of water across a barrier (a selectively permeable membrane). Water is small; easily travels; equilibrium
Selectively Permeable Membrane Lets certain particles pass through the membrane easily.
Active Transport Molecules which are too big to pass through SP membrane are passed through by using special structures, this takes energy. This takes low to high concentration; against the gradient.
Hypertonic Solution Higher concentration of particles outside of the cell in the solution (liquid) than inside of the cell.
Hypotonic Solution Lower concentration of particles outside of the cell in the solution than inside the cell.
Equilibrium Particles are moving equally into the cell as they are outside of the cell. (Continual equal motion)
Isotonic Solution Equal particles in solution as inside the cell. Already at equilibrium.
Organelles Organized or specialized structures in the cell. Ex: Lysosomes, Mitochondrion, and etc.
Created by: mckenziemills