The conversion of light energy into chemical energy stored in organic compounds
In plants, energy is produced by combining three main ingredients in the chloroplasts
In animals, energy is obtained by the outside world and turned into energy
Parts of a leaf
Stoma:on the surface of the leaf, it opens like pores to allow things in and out
Thylakoid: structure inside chloroplast that contain pigment
Granum: stacks of thylakoids
Stroma: the fluid that fills the chloroplast
Pigments
They absorb certain colors of light and reflect or transmit other colors
Photosynthesis begins with the absorption of light by the pigments in the thylakoids
Light Reactions 1.Reaction occurs in membrane of thylakoid 2.Light excites e-in chlorophyll pigments (e-go from low energy to high energy) 3.e-travel to other molecules in membrane, losing energy along the way (this is called the Electron Transport Chain or ETC) 4.e-combine to make… ADP + phosphate + e-ATP Summary Needs: Light energy & H2O
Makes: ATP
Waste: Oxygen Animation
Calvin Cycle 1. Ocurrs in stroma of chloroplast
2. Uses ATP and H from light reaction
3. ATP + H + CO2(from air) glucose(carb)
4. Produces glucose
- The conversion of light energy into chemical energy stored in organic compounds
- In plants, energy is produced by combining three main ingredients in the chloroplasts
- In animals, energy is obtained by the outside world and turned into energy
Parts of a leaf- Stoma:on the surface of the leaf, it opens like pores to allow things in and out
- Thylakoid: structure inside chloroplast that contain pigment
- Granum: stacks of thylakoids
- Stroma: the fluid that fills the chloroplast
Pigments- They absorb certain colors of light and reflect or transmit other colors
- Photosynthesis begins with the absorption of light by the pigments in the thylakoids
Light Reactions1. Reaction occurs in membrane of thylakoid
2. Light excites e-in chlorophyll pigments (e-go from low energy to high energy)
3. e-travel to other molecules in membrane, losing energy along the way (this is called the Electron Transport Chain or ETC)
4. e-combine to make… ADP + phosphate + e-ATP
Summary
Needs: Light energy & H2O
Makes: ATP
Waste: Oxygen
Animation
Calvin Cycle
1. Ocurrs in stroma of chloroplast
2. Uses ATP and H from light reaction
3. ATP + H + CO2(from air) glucose(carb)
4. Produces glucose