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27 Cards in this Set
- Front
- Back
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What do organisms turn trapped light into?
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chemical energy
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What can perform photosynthesis?
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plants, some bacteria, and some protists
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What does light energy make?
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glucose (sugar molecules)
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How does light energy travel?
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in waves
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What part/organ of the plant is photosynthetic?
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the leaves
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Where does photosynthesis mostly take place at?
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mesophyll
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What makes two layers make up the mesophyll?
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the plaisades and spongy layer
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What does air spaces store?
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carbon dioxide and oxygen
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Where are the air spaces?
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spongy layer
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What's a vain?
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a vascular bundle
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What are the two parts to the vain?
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the xylem and phloem
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What does the xylem do?
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carries oxygen up
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What does the phloem do?
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carries food down
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What is the epidermis covered with and what does it do?
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A waxy cuticle which prevents it from losing water
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What is a stoma?
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an opening that lets water in and out that is located on the outerside of the leaf
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What is wax and what are the the characteristics?
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its a lipid and is nonpolar and hydrophobic
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What are photons?
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its a single unit of light energy
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What is light from the sun emitted in?
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in different wavelengths
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What is the color determined by?
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by the wavelengths
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What is visble light made up of?
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all the colors traveling together
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What two things are contained in the thylakoid membrane?
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chlorophyll a and other accessory pigments
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What are stacks of thylakoids called?
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grana
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What is the fluid called in the chloropast?
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stroma
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Are colors broken apart when passing through a prism or raindrop?
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yes
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What are pigments?
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are molecules that react w/ light
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Why is chlorophyll green?
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because green is reflected back at out eyes therefore giving it a green color and absorbs all the other colors
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What colors do we see?
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we see colors that are reflected not absorbed
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