Active transport Flashcards
1
Q
What is active transport?
A
Substances need to absorbed from a lower concentration to a higher concentration against the concentration gradient
2
Q
Why does the root hair cells use active transport?
A
Concentration of minerals is higher in the root hair cells than in the soil around them
3
Q
What does active transport allow the plant to do?
A
active transport allows the plants to absorb minerals from a very dilute solution from the soil it moves the minerals against the concentration gradient
4
Q
Why do we need active transport to stop us starving?
A
When there is higher concentration the gut they diffuse into the body, sometimes it is the other way round, they use active transport to get to a high concentration in the gut and lower in the blood
