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18 Cards in this Set
- Front
- Back
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A type of matter in which all the atoms are the same; cannot be broken down into simpler substances:
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Element.
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The smallest unit of an element:
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Atom.
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Two or more elements that are chemically combined:
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Compound.
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The smallest unit of most compounds:
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Molecules.
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A compound that contains carbon:
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Organic compound.
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A compound that does not contain carbon:
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Inorganic compound.
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Large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur; they are needed for tissue growth and repair and play a part in chemical reactions within cells:
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Proteins.
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Small units that are linked together chemically to form large protein molecules:
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Amino acid.
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A protein that speeds up chemical reactions in the bodies of living things:
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Enzyme.
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Organic compounds like sugars and starches filled with lots of energy made of carbon, hydrogen, and oxygen:
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Carbohydrate.
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Organic compounds like fats and oils filled with energy made of carbon,
hydrogen, and oxygen: |
Lipid.
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Organic compounds made of carbon, hydrogen, oxygen, nitrogen, and phosphorus. It’s in charge of carrying out instructions for the cell:
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Nucleic acid.
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Diffusion of water molecules through a permeable membrane:
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Osmosis.
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A process where molecules move from a higher concentration to a lower concentration:
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Diffusion.
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A process where plants and other organisms capture light and use it to make food:
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Photosynthesis.
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A green pigment found in plants, algae, and some bacteria:
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Chlorophyll.
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Small openings on leaves where oxygen and carbon dioxide can move:
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Stomata.
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A chemical compound that is colored and absorbs light and produces color:
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Pigment.
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