Test Active Transport Flashcards
1
Q
What is active transport
A
It is substances that need to be absorbed against a concentration gradient for example from a lower to a higher concentration
2
Q
Give a exsample of where active transport happens
A
Root hair cells
Lower concentration of minerales and ions in the soil to the higher concentration in the root hair
3
Q
What does active transport need to make it work
A
Needs energy from respiration
4
Q
How does the root hair take up water
A
By osmosis
5
Q
Where is active transport used in humans
A
In the gut when there is a lower concentration of nutrients in the gut but a higher concentration of nutrients in the blood
6
Q
What are the two ways that nutrients are absorbed into the blood
A
Diffusion and active transport
