Active Transport

Active transp ort

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Active transport does/does not use energy?
Does use energy
Facilitated diffusion means that the molecule is assited across the membrane by a transport _____?
Protein
When particles move from hight concentration to a low concentration this is known as?
Diffusion
I f a red blood cell is put in a hypertonic solution it will?
Shrink
What are 3 main ways of passive transport?
Facilitated diffusion Diffusion Osmosis
If a red blood cell is put in a hypotonic solution it will?
Burst
Passive tansport does/ does not use energy?
Does not use energy
If a red blood cell is put in isotonic solution it will?
Stay the same
What is ATP and what does it do?
Adensine Triphosphate Its not the energy itself but teporary stores energy in its phophodiester bonds.
What is exocytosis?
The process by which particulate waste is expelled from a cell. Membrane surrounding the material fuses witht he membrane.
What does hydrophilic mean
Means water liking. The heaps on the bi-layer cell membrane.
What does hydrophobic mean?
Water hating. The tails on the bi-layer of the cell membrane.
What does selectively permeble mean?
Allows some molecules in and keeps some molecules out.
What is active transport/
Movement of substance across a cell membrane, up the concentration gradent, and requires energy.
What is passive transport?
When a substance can cross the semipermeble plasma and organelle membranes and move down he concentration gradient without using energy.