active transport Flashcards
1
Q
What is active transport?
A
Substances absorbed against a concentration gradient (lower to higher)
2
Q
Why are Root hair cells an example of active transport?
A
Because they absorb water and minerals from the soil but the concentration of water and minerals is usually higher in the cells.
3
Q
What does active transport need to work?
A
Energy from respiration.
4
Q
Where does Active Transport happen in the human body?
A
When there is Lower nutrients in the gut than in the blood.