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Introduction to Photosynthesis

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Presentation on theme: "Introduction to Photosynthesis"— Presentation transcript:

1 Introduction to Photosynthesis

2 Photo(light) Synthesise(to make)
To make ORGANIC COMPOUNDS From INORGANIC COMPOUNDS Using RADIANT energy of LIGHT

3 Which Organisms Photosynthesise?
plants some protoctists (algae, euglena) and cyanobacteria

4 Requirements for Photosynthesis
Light Chlorophyll Carbon Dioxide Water ENZYMES

5 6CO2 + 12H2O C6H12O6 + 6O2 + 6H2O Products of photosynthesis
Products of photosynthesis glucose: 6 Carbon and 6 oxygen from CO2 C6H12O6 12 Hydrogen from H2O oxygen: 12 Oxygen from H2O 6O2 water: 12 Hydrogen from H2O 6H2O 6 Oxygen from CO2

6 Overview

7 Leaf Cross Section cuticle Upper epidermis palisade mesophyll
Bundle sheath cells Xylem Phloem spongy mesophyll Air space Lower epidermis Guard cells cuticle stomatal pore

8

9

10 Chloroplast Structure

11 Clever Chlorophyll

12 Light Absorption by chlorophyll

13 Wave lengths absorbed by chlorophyll

14 The rate of photosynthesis in varying colours of light
The rate of photosynthesis in varying colours of light photosynthesis rate Violet Blue Green Yellow Orange Red Colour of light

15 A comical overview

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