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27 Cards in this Set

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