Using Energy to Move Substances

Uses ATP (ENERGY!!!) Moves substances from low to high concentration Carrier proteins in cell membrane “PUMP” things in & out (AA’s, Ions, Sugar) Many of these important substances have a lower concentration outside the cell, so what would typically happen to them?

Uses ATP (ENERGY!!!)

Moves substances from low to high concentration

Carrier proteins in cell membrane “PUMP” things in & out (AA’s, Ions, Sugar)

Many of these important substances have a lower concentration outside the cell, so what would typically happen to them?

What can stop this?

What can stop

this?

Na-K Pump K Ions Na Ions Pumps 3 Pumps 2 OUT of cell INTO cell

Prevents Na build-up in cell (toxic) Enter on their own via facilitated diffusion Makes cell hypertonic Cell would gain water & lyse Helps Glucose enter cell ( Coupled Channel )

Prevents Na build-up in cell (toxic)

Enter on their own via facilitated diffusion

Makes cell hypertonic

Cell would gain water & lyse

Helps Glucose enter cell ( Coupled Channel )