Lecture 8 Flashcards
Photosynthetic output measured by,,,
concentration of dissolved oxygen
Who does photosynthesis?
Plants, multicellular alga, unicellular protists
Thylakoid has
proteins that transform solar energy to chemical energy
Stroma has
proteins that synthesize glucose from CO2
What is oxidized in Photosynthesis?
H20
What is reduced in Photosynthesis?
CO2
What are the two-steps of photosynthesis?
light reaction and calvin cycle
What is the formula to photosynthesis?
energy + 6 CO2 + 6 H20 = C6H12O6 + 6 O2
What is an inhibitor of photosynthesis and what does it do?
DCMU; blocks electron flow
What is transpiration?
movement of water through plants
What moves water up plants?
The cohesion-tension theory
The rate of evaporation of water from the air spaces of the leaf to the outside air depends on…
the water potential gradient between the leaf and the outside air
What is the effect of transpiration on pressure?
There is a decrease in pressure over time
What is abscisic acid and what does it do?
It is a plant hormone that causes the guard cells to shrink and stomata to close
What is the effect of abscisic acid on transpiration?
It decreases the rate of transpiration
