process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated

facilitated diffusion

process of diffusion in which molecules pass across the membrane through cell membrane channels

water channel in a protein cell

diffusion of water through a selectively permeable membrane

when the concentration of two solutions is the same

when comparing two solutions, the solution with the greater concentration of solutes

when comparing two solutions, the solution with lesser concentration of solutes

pressure that must be applied to prevent osmotic movement across a selectively permeable membrane

relatively constant internal physical and chemical conditions that organisms maintain

A group of similar cells that perform a particular function

group of tissues that work together to perform closely related functions

group of organs that work together to perform a specific function

on or in a cell, a specific protein whose shape fits that of a specific molecular messenger, such as a hormone

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biology 3

Term	Definition
diffusion	process by which particles tend to move from an area where they are more concentrated to an area where they are less concentrated
facilitated diffusion	process of diffusion in which molecules pass across the membrane through cell membrane channels
aquaporin	water channel in a protein cell
osmosis	diffusion of water through a selectively permeable membrane
isotonic	when the concentration of two solutions is the same
hypertonic	when comparing two solutions, the solution with the greater concentration of solutes
hypotonic	when comparing two solutions, the solution with lesser concentration of solutes
osmotic pressure	pressure that must be applied to prevent osmotic movement across a selectively permeable membrane
homeostasis	relatively constant internal physical and chemical conditions that organisms maintain
tissue	A group of similar cells that perform a particular function
organ	group of tissues that work together to perform closely related functions
organ system	group of organs that work together to perform a specific function
receptor	on or in a cell, a specific protein whose shape fits that of a specific molecular messenger, such as a hormone

Created by: Sharion Davis

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