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A&P Exam 1 - Ch3

cell bio

QuestionAnswer
three main components of a cell cell membrane, cytoplasm, and nucleus
structure of the plasma membrane -phospholipid bilayer -integral proteins -peripheral proteins
hypotonic vs hypertonic solution -hypotonic: more water in the solution than in the cell -effect: lysis from water flooding the cell hypertonic: less water in the solution than inside the cell -effect: crenation from water rushing out of the cell
kinds of diffusion -simple diffusion -facilitated diffusion --channel-mediated --carrier-mediated
primary vs secondary transport both move molecules against concentration gradient primary: -single molecules moved by broken-down ATP secondary: -multiple molecules simultaneously moved by non-ATP energy
Created by: jmwes
 

 



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