Active Transport Flashcards
1
Q
What is active transport
A
Substances move from low to higher concentration up a concentration gradient
2
Q
Why can’t root hair cells use diffusion to take up minerals
A
the concentration of minerals is higher in the root hair cells than in the soil
3
Q
True or false
Active transport uses energy
A
True
4
Q
what does net mean
A
overall
5
Q
When is active transport used
A
When there is a higher concertation in the cell
