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Part Two

Passive transport Movement of substances through the cell membrane WITHOUT using energy
Active transport -Movement of substances throughout the cell membrane USING energy -needed to move molecules that are to big or to move from lesser to higher
Diffusion Movement of MOLECULES from an high to low
Osmosis Movement of WATER from high to low
Isotonic Water enters and leaves at the same rate because concentration is equal both outside and inside the cell
Hypertonic Greater concentration of water inside the cell so water leaves the cell to create equal concentration
Hpotonic Greater concentration of water outside the cell so water enters the cell to create equal concentration
Endocytosis Part of the cell membrane forms vesicles and brings the particle INTO the cell membrane
Exocytosis Vesicle filled particle moves to cell membrane fuses with it and releases to outside cell
Metabolism All chemical reactions in an ORGANISM
Enzymes Proteins that speed up a chemical reaction without being changed or used up
Substrate Molecule an enzyme attaches to
Photosynthesis -Plants use chlorophyll to absorb sunlight -Light energy is converted into chemical energy by producers...uses enzymes
Photosynthesis equation 6CO2+6H2O+energy--->C6H12O6+6CO2
Cellular respiration Chemical reactions that break down glucose into simpler substances and release stored energy
Cellular Respiriation 2 a) starts in cytoplasm and then moves into mitochondria b)uses oxygen c)each time a glucose molecule is broken down, energy stored in its bonds is released
Cellular Respiration Equation C6H12O2+6O2--->6CO2+6H2O+energy
Fermentation -breakdown of glucose begins in cytoplasm and does not move into mitochondria -occurs when oxygen is NOT present
Waste products Lactic Acid-formed in muscles after exercise Alcohol and CO2-formed when yeast breaks down glucose
Created by: 100000388765168