Active Transport Flashcards
1
Q
Define active transport
A
The movement of substances from lower to higher conc. against a concentration gradient by using energy from respiration
2
Q
Where does respiration take place?
A
Mitochondria
3
Q
How is a root hair cell adapted?
A
Has many mitochondria and a large SA
4
Q
If plants can’t absorb magnesium they can’t:
A
Make chlorophyll
Absorb light
Photosynthesise
5
Q
If plants can’t absorb nitrates they can’t:
A
-Make Amino Acids and build proteins
-Grow
-Can’t combine with Glucose
6
Q
Isotonic Definition:
A
Concentration of solutes outside of cell same as inside cell
7
Q
Hypertonic Definition:
A
Concentration of solutes outside is HIGHER
8
Q
Hypotonic:
A
Concentration of solutes in solution outside is LOWER