Chapter 8.3 How plants use glucose Flashcards
1
Q
Name 6 ways a plant call uses the glucose it produces.
A
- Respiration
- To convert into insoluble starch for storage
- To produce fats or oils
- To produce cellulose to strengthen cell walls
To produce amino acids for protein synthesis
2
Q
When does starch provide energy for the plant?
A
It provides an energy store when it is dark or when light levels are low.
3
Q
Where are nitrate ions absorbed from?
A
From the soil or water.
4
Q
What do nitrate ions form?
A
Nitrate ions make amino acids used to make proteins.
5
Q
What solution tests for starch? and what colour does the object turn if starch is present?
A
The iodine solution and the object would turn dark blue or black.
