photosynthesis. chloroplasts photosynthesis in nature autotrophs:biotic producers; photoautotrophs;...

Photosynthesis

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Page 1: Photosynthesis. Chloroplasts Photosynthesis in nature Autotrophs:biotic producers; photoautotrophs; chemoautotrophs; obtains organic food without eating

PhotosynthesisPhotosynthesis

Chloroplasts

Photosynthesis in nature• Autotrophs:biotic

producers; photoautotrophs; chemoautotrophs; obtains organic food without eating other organisms

• Heterotrophs: biotic

consumers; obtains organic food by eating other organisms or their by-products (includes decomposers)

Page 4: Photosynthesis. Chloroplasts Photosynthesis in nature Autotrophs:biotic producers; photoautotrophs; chemoautotrophs; obtains organic food without eating

Warm-Up

• What are the two parts of photosynthesis? (Look in your book, pg. 93)

• What are the reactants?• What are the products?• How are the products of

photosynthesis important to us?

Page 5: Photosynthesis. Chloroplasts Photosynthesis in nature Autotrophs:biotic producers; photoautotrophs; chemoautotrophs; obtains organic food without eating

The chloroplast• Sites of

photosynthesis• Pigment: chlorophyll• Plant cell: mesophyll• Gas exchange:

stomata• Double membrane• Thylakoids, grana,

stroma

Photosynthesis

• A complex process in which visible sunlight is converted into chemical energy in carbohydrate molecules.

• Occurs within the chloroplasts of cells

Photosynthesis

Light Reaction • Occurs within the

thylakoid membrane inside of the chloroplasts

Light Independent

Reaction (Dark Reaction)

• Occurs within the Stroma

Page 8: Photosynthesis. Chloroplasts Photosynthesis in nature Autotrophs:biotic producers; photoautotrophs; chemoautotrophs; obtains organic food without eating

An overview of photosynthesis

Page 9: Photosynthesis. Chloroplasts Photosynthesis in nature Autotrophs:biotic producers; photoautotrophs; chemoautotrophs; obtains organic food without eating

6CO2 + 6H20 C6H12O6 + 6O2

light

6CO2 + 6H20 C6H12O6 + 6O2

light

The overall equation for photosynthesis is written as:

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Photosynthesis Plants and other photoautotrophs use the following reaction to make food:

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Photosynthesis Plants and other photoautotrophs use the following reaction to make food: 6 CO 2 + 6 H 2 O + Energy C 6 H 12 O 6 + 6 O 2 In plants, the

Photosynthesis Schreiber Honors Biology. Who does it?? Photoautotrophs Plants Algae Protists Bacteria **In Plants Primarily Leaves Mesophyll/ Parenchyma

Archea and Bacteria- The PROKARYOTES€¦ · Domain Bacteria-Supergroups 1. Proteobacteria-Gram negative with 5 subgroups. Metabolic diverse photoautotrophs, chemoautotrophs, and

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Photosynthesis. Photosynthesis in nature Autotrophs: biotic producers; photoautotrophs; chemoautotrophs; obtains organic food without eating other organisms

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photosynthesis. chloroplasts photosynthesis in nature autotrophs:biotic producers; photoautotrophs;...

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