Chloroplasts

Photosynthesis

How is a leaf well-adapted to photosynthesis?

How is photosynthesis performed in oceans and lakes?

Epidermis

Cuticle

6H2O

6 water molecules

6CO2

6 carbon dioxide molecules

C6 H12O6

Glucose

6O2

6 Oxygen

Light Reactions

Energy carrier molecules

Calvin Cycle

Light Reactions

Calvin Cycle

ADP and NADP+

H2O

Carbon Dioxide CO2

Electromagnetic Spectrum

Photons

Wavelength - short-wavelength = very energetic/ long-wavelength = less energetic.

pigment molecules

reflected (bounce back), transmitted (passed through) or absorbed (captured)

reflected or transmitted

Chlorophyll A

Chlorophyll B
BLUEREDORANGE

accessory pigments

Carotenoids

Photosystems

Electron transport chain

Thylakoid membrane ETC path

Sequence of Light Reaction

Reaction Center

electrons

2 Hydrogen Ions (H⁺)

H⁺, ATP

photosystem I