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zubka84 [21]
3 years ago
14

Describe the two methods of active transport

Chemistry
2 answers:
OverLord2011 [107]3 years ago
6 0
Proteins in the Membrane. Active transport<span> usually happens across the cell membrane. ... They are positioned to cross the membrane so one part is on the inside of the cell and one part is on the outside. Only when they cross the bilayer are they able to move molecules and ions in and out of the cell.</span>
dimaraw [331]3 years ago
4 0
Endocytosis
Process by which the cell surrounds and takes particles into the cell

Exocytosis
Secretion of material out of the plasma membrane
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