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2.11: Light Reactions of Photosynthesis

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

Calvin cycle

Second stage of photosynthesis in which carbon atoms from carbon dioxide are combined, using the energy in ATP and NADPH to make glucose.

chlorophyll

Pigment that absorbs sunlight and gives plants their green color.

chloroplast

Organelle that carries out photosynthesis in plants.

electron transport chain

Series of electron-transport molecules that pass high-energy electrons from molecule to molecule and capture their energy.

glucose

Simple sugar with the chemical formula C6H12O6; a product of photosynthesis.

light reactions

First stage of photosynthesis in which light energy from the sun is captured and changed into chemical energy that is stored in ATP and NADPH.

products

End results of a chemical reaction.

reactants

Molecules that come together to start a chemical reaction.

stomata

Special pores in leaves; carbon dioxide enters the leaf and oxygen exits the leaf through these pores.

stroma

Fluid that fills the interior space that surrounds the thylakoids in the chloroplast.

thylakoid

Stack of flattened sacs of membrane in the chloroplast.

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Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Jul 06, 2016
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