Module 2 glossary terms Flashcards
1
Q
active transport
A
movement of substances across a membrane that requires the input of energy usually from ATP
2
Q
cell memebrane
A
the membrane that serves as both a gateway and a barrier for moving substances into and out of the cell
3
Q
diffusion
A
movement of molecules from an area of higher concentration to an area of lower concentration
4
Q
membrane lipids, proteins and carbohydrates
A
the three primary constitutes of a cell membrane
5
Q
osmosis
A
the movement across a membrane in reposes to a solute concentration gradient
6
Q
passive transport
A
movement across a membrane that does not depend on an outside source of energy
7
Q
resting membrane potential
A
the uneven distribution of ions across a living cell membrane
