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46 terms

Photosynthesis

STUDY
PLAY
Oxidized in light reactions
Water (H2O)
Reduced in Calvin Cycle
Carbon Dioxide (CO2)
Carries hydrogen and electrons from light reactions to Calvin cycle.
NADPH
Food produced by photosynthesis
Glucose
Source of hydrogen and electrons from glucose.
Water (H2O)
Source of oxygen atoms in glucose
Carbon Dioxide (CO2)
Where oxygen atoms from water (photolysis) end up.
Oxygen (O2)
Oxidized in Calvin Cycle
NADPH
Reduced in light reactions
NADP+
Supplies energy to Calvin Cycle
ATP
Where carbon and oxygen atoms in carbon dioxide end up
Glucose
Recycled from Calvin Cycle to make ATP
ADP + P
Supplies energy to light reactions
light
Gas produced by the reactions in the thylakoids
Oxygen (O2)
Gas consumed by the reactions in the stroma
Carbon Dioxide (CO2)
Source of carbon for carbon fixation
Carbon Dioxide (CO2)
Source of hydrogen for thew Calvin Cycle
NADPH
Picks up energized electrons from reactions in the thylakoids
NADP+
May waste energy on photorespiration on a hot day
C3 pathway
Trap carbon in a four carbon compound, which donates it to the Calvin Cycle
C4 Pathway
Corn and sugarcane
C4 Pathway
Open stomata and trap CO2 at night
CAM Pathway
Most plants
C3 Pathway
Soybeans, oat, wheat, rice
C3
Can grow in hot, dry climates
CAM and C4 Pathways
Pineapple and many cacti
CAM Pathway
Calvin Cycle uses CO2 directly from the air
C3 Pathway
Oxidized in the process of photosynthesis
water
Cell organelle where photosynthesis takes place
chloroplast
Light catching membranes in the chloroplast
Thylakoids
Stack of thylakoids in the chloroplast
Grana
Energy that travels through space as rhythmic waves.
electromagnetic waves
when chlorophyll is absorbed an --------- is excited
electron
Sugar is made in this cycle
Calvin Cycle
Where the Calvin Cycle occurs
Stroma
Green pigment in leaves
chlorophyll
Pores in leaves
Stomata
Antenna-like harvesting unit in a thylakoid
photosystem
fixed quantity of light energy
photon
The color of light is related to its -------
wavelength
Source of energy for photosynthesis
light
incorporation of carbon dioxide into organic compounds
Carbon fixation
Chlorophyll molecule that absorbs excited electrons
reaction center
yellow-orange pigments in the chloroplast
carotenoids
Green tissue in the interior of a leaf
mesophyll
Organism that uses light to make food
autotroph