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Bio Lab Quiz 4
13 cards·by jttibbs1
What is cappilary action?
Plants rely on it to get water up their roots
What is transpiration?
process of which plants transport water through their roots
What is thermal capacity?
water can hold heat and change temperatures around it.
What is molecular transport?
the movement of materials across a cell membrane
What is diffusion?
Molecules move from area of high concentration to low concentration.
What three things affect the rate of diffusion?
temperature, molecular size, and concentration gradient.
What is osmosis?
passive transport, diffusion of water across a semipermeable membrane.
What are the three types of osmosis solutions?
Hypotonic, hypertonic, isotonic.
what is lysis
when water causes a cell to burst
what is crenation
when lack of water makes a cell shrivel
what is plasmolysis
loss of water makes membrane pull away from cell wall
what is cytolsis
opposite of plasmolysis
what is facilitated diffusion
transporter proteins bind and carry substances through tunnel channels in membrane