Plants/leaves/etc Flashcards
What is starch?
Starch in the main storage of carbohydrate.
Characteristic of starch?
Compact, insoluble, and broken down easily into GLUCOSE
When testing with ethanol, if a part of leaf has starch, then that part would turn (what color?)
Blue-black
Destarching a plant then putting a black paper strip on the leaves o f the plant shows that ….. is needed for photosynthesis.
Light energy
The soda lime experiment is used to show that plants need ………. for photosynthesis
Carbon dioxide
Which leaf cell does not contain chloroplast?
Upper and lower epidermis
What cells control the closing and opening of stomata?
Guard cells
How do co2 and o2 diffuse in and out of the leaf?
Through the stomata
when testing the starch in the leaf, boiling the leaves in water for 5 minutes is to cause what?
To denature all enzymes in the leaf.
Which organelle does photosynthesis occur in?
Chloroplast
the part of the leaf that is used to transfer water and products of photosynthesis is found in the…… of a leaf
In the vein.
Cuticle function:
Reduce water loss by evaporation and prevents fungi and bacteria from entering the leaf.
Where does gas exchange take place in the leaf?
Spongy mesophyll layer.
Photosynthesis requires
1.
2.
3.
- carbon dioxide
- light energy
- chloroplast
