|
Movement among cells against concentration gradient is called |
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|
a) |
Osmosis |
b) |
Active transport |
c) |
Diffusion |
d) |
Passive transport |
|
Movement among cells against concentration gradient is called |
|||||||
|
a) |
Osmosis |
b) |
Active transport |
c) |
Diffusion |
d) |
Passive transport |
|
(b) Active transport uses specific transporter proteins called pumps, which use metabolic energy (ATP) to move ions or molecules against the concentration gradient. |