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Vocab List 5

5th list

QuestionAnswer
Phospholipid Bilayer Outer layer of a cell, semi permeable, Has Cholesterol and Proteins embedded in it.
Integral Membrane Proteins Embedded in the membrane (“strawberries” in jello)
Peripheral Membrane Protein On top of the membrane (“marshmallows” in jello)
Cholesterol Gives mechanical strength to the membrane, maintains fluidity, is in the membrane with OH group sticking out
Selectively permeable Only certain molecules can pass through membrane
Diffusion When a solute moves from higher to lower concentration, down the concentration gradient, no energy input
Osmosis When water moves from high concentration to low concentration of water, no energy input needed
Concentration Amount of solute dissolved in a certain volume
Passive Transport When solute moves down concentration gradient, from high to low, no energy input needed
Active Transport When solute moves from low to high concentration of solute, solute moves against concentration gradient, transport protein required for movement of solute, Uses energy (can use ATP, light, ion gradient)
Direct Active Transport Primary Active Transport (Low to High), Uses ATP, GTP, NADH, light
Indirect Active Transport Secondary Active Transport, 2 part system
Exocytosis Moves substances outside cell
Endocytosis Moves substances inside of cell
Created by: cekazmer
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