Vocab 2 Flashcards
Isotonic
Solution that provides an environment in which concentration solutes outside the cell equals the concentration of solutes
Hypertonic
Solution is one in which concentration of solutes outside a cell is greater than concentration inside
Hypotonic
Solution is one in which the concentration or solutes outside the cell is less than the concentration inside
Solution
Uniform mixtures of two or more substances
Solute
Dissolved substance
Solvent
Substance solute is dissolved into
DNA-genetic
Code for organisms
Organelles
The cells eukaryotic organisms contain smaller compartments call organelles
Impermeable
Membrane does not allow substances to pass through
Permeable
Membrane allows substances to pass through
Concentration gradient
A difference in the concentration of certain molecules over a distance
Diffusion
Substances move from higher concentration to lower concentration