Wrap up/Launch

What wavelengths of light are needed to excite electrons in the photosystems?

Leaves have a variety of pigments that absorb light in the photosystems in the thylakoid membranes.

Pigments roles include exciting electron to the electron transport chain, focus and transferring light to chlorophyll a, and absorbing damaging wavelengths of light.

Watch Photosynthesis Lab video to 2:35 and work on Photosynthesis Foldable