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Page 1: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Photosynthesis

Page 2: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Let’s talk about light!

Page 3: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Why do leaves change color?

Pigments!

Chlorophyll - Converts Red and blue light into chemical energy. Two types: Chlorophyll A and Chlorophyll B

Carotenoids – Converts Red, Orange, and Yellow light to chemical energy.

Page 4: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

What is Photosynthesis?

Photosynthesis is the process of converting light energy to chemical energy and storing it in the bonds of sugar.

Page 5: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Photosynthesis Equation

Page 6: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Where does it happen?

Chloroplast- Battery factory of the cell. Contains chlorophyll.

“Chloro”- means green "phyll”- means pigment

Thylakoid- Where light reaction occurs.

Grana- Stack of thylakoids.

Stroma-where Dark part of photosynthesis occurs.

Page 7: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Where does it happen?

Page 8: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Photosynthesis in two parts.

Part One- Light ReactionPart Two –Dark Reaction

Page 9: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Light Reaction

Page 10: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Light Reaction makes ATP and NADH

Page 11: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

Dark Reaction aka Calvin Cycle

Runs through twice!

Makes two three carbon sugars that combine to make ONE glucose molecule.

Page 12: Photosynthesis. Let’s talk about light! Why do leaves change color? Pigments! Chlorophyll - Converts Red and blue light into chemical energy. Two

In summary:


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