Free Powerpoint Presentations

Absorption of Light by Chlorophyll
Page
1

DOWNLOAD

PREVIEW

WATCH ALL SLIDES

Slide 1

Absorption of Light by Chlorophyll

Absorption of Light by Chlorophyll

Higher Biology

Slide 2

Light absorption by chlorophyll

Light absorption by chlorophyll

Slide 3

Measuring light absorption

Measuring light absorption

A spectrometer is used to measure the amount of absorption at each wavelength

An action spectrum shows the rate of photosynthesis at different light intensities

Slide 4

Chlorophyll A and B absorb light mostly in the red and blue regions of the spectrum

Chlorophyll A and B absorb light mostly in the red and blue regions of the spectrum

Carotene and xanthophyll absorb light from other regions and pass the energy to chlorophyll

Slide 5

Brown seaweeds

Brown seaweeds

subjected to low light intensities

Chlorophyll C instead of chlorophyll B

fucoxanthin

-very wide absorption spectrum

-absorbs light in parts of the spectrum where chlorophyll is less efficient

Slide 6

Red seaweeds

Red seaweeds

Have chlorophyll D

Phycoerythrin

Slide 7

Green seaweeds

Green seaweeds

Found in shallow water

Do not have fucoxanthin

Does not have phycoerythrin

Slide 8

Contents

Last added presentations

© 2010-2024 powerpoint presentations