3.2 Photosynthesis Flashcards
1
Q
How many stages does photosynthesis have and what are they called?
A
two- light dependent stage and carbon fixation
2
Q
Talk through the light dependent stage…
A
light energy trapped by chlorophyll used to split water into hydrogen and oxygen. oxygen released to air as byproduct and hydrogen picked up by hydrogen acceptor cell goes on to next stage. 2ATP made from ADP and Pi.
3
Q
Where is chlorophyll found?
A
inside of chloroplasts
4
Q
What controls carbon fixation?
A
enzymes
5
Q
Describe carbon fixation…
A
carbon dioxide, ATP and hydrogen used to produce glucose
6
Q
what is the glucose made in photosynthesis used for?(3)
A
- used for respiration
- stored as starch
- converted into structural carbohydrate cellulose
7
Q
What is photosynthesis?
A
The process by which plants make food
