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2.20: Chloroplasts

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

chloroplast

Organelle in the cells of plants and algae; site of photosynthesis.

electron carrier

Molecules that accept and temporarily hold high-energy electrons.

electron transport chain

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

grana

(singular: granum): Stacks of thylakoid membranes within the chloroplast.

photosystem

Group of molecules, including chlorophyll, in the thylakoid membrane of a chloroplast that captures light energy.

stroma

Space outside the thylakoid membranes of a chloroplast; site of the Calvin cycle of photosynthesis.

thylakoid

Sub-organelle within the chloroplast; site of photosynthesis.

chlorophyll

Green pigment in a chloroplast that absorbs sunlight, starting the light reactions of photosynthesis.

photosynthesis

Process of using the energy in sunlight to make food (glucose).

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Difficulty Level:
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Date Created:
Feb 24, 2012
Last Modified:
Aug 30, 2016
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SCI.BIO.232.L.1