EXAM 3 Flashcards
Makes guard cells open
Light, specifically blue light
3 components that make water rise
Transpiration, cohesion, and adhesion
A place where sugar is made or stored.
Source
Reduction is a _________ of energy.
gain
A ________ reaction is one in which a compound is synthesized or made.
Anabolic
What reaction REQUIRES an input of energy?
Anabolic
What type of reaction is phosphorylation?
Anabolic
What causes sugar to move through plants?
A source. Mass or Pressure flow hypothesis
What increases transpiration?
Increase in temp, increase in light, change of soil to sandy, high winds, low humidity.
What regulates transpiration?
Guard cells
What is a sink?
Where energy is used or stored.
Structural adaptations that decrease transpiration?
Thick cuticle, small leaves, no leaves, rosette shape, trichomes, spines
What causes water molecules to cling to each other and to the xylem?
Cohesion
Compound loses energy:
oxidation
Where do light reactions occur?
Thylakoid membrane
Energy to make sugar comes from:
CO2, the air
Location of Calvin Cycle:
Stroma
Essence of light reaction:
Get energy from protons & store it in ATP and NADPH
Essence of Calvin Cycle:
Used stored energy from ATP and NADPH2 to make sugar
Equation for photosynthesis:
CO2+H2O+Light+Chlorophyl+Enzymes——->O2+ Glucose
Source of Oxygen on earth:
Photosynthesis
Plants absorb _______ light:
Blue light, also red and orange
_________ wavelengths have the most energy:
Short
Chlorophyll A, Chlorophyll B, Carotenoids are pigments that:
Absorb light