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13 terms

test on ch3 sections 1-4

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chlorophyll
the green pigment in plants that can absorb the sun's energy
compound
a substance made by combining two or more elements
fermentation
an energy releasing process that does NOT require oxygen
enzymes
the type of proteins that speed up chemical reactions, such as in digestion
water
the most common compound in living things
amino acids
the smaller molecules that are the building blocks of proteins
proteins
the type of organic compound that meat, beans, nuts contain alot of
carbon
element found in all organic compounds
selectively permeable
a membrane that allows some substances to pass through but not others
element
a chemical substance that cannot be broken down into simpler substances
nucleic acids
DNA and RNA are examples of this type of organic compound in organisms
carbohydrates
sugars and starches are examples
lipids
the type of organic compound that stores the most energy