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7th grade pentathlon
smart
17
Science
7th Grade
01/22/2010

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Cards

Term
water
Definition
a compound that make up 70 percent of the body
Term
producer
Definition
an organism that makes its own food through photosynthesis
Term
decomposer
Definition
an organism that gets its food by breaking down
Term
proteins
Definition
are large molecules that are made up of smaller molecules called amino acids
Term
enzymes
Definition
are proteins that speed up chemical reactions in living things
Term
carbohydrates
Definition
classes of molecules that include sugars, starches, and fiber
Term
simple carbohydrates
Definition
a carbohydrate that is made up of one sugar molecule or a few sugar molecules
Term
complex carbohtdrates
Definition
are made up of hundreds of sugar molecules linked together
Term
lipids
Definition
are molecules that cannot mix with water
Term
phospholipids
Definition
are molecules that form much of a cells membrane
Term
glucose
Definition
is the most common source of energy for cells
Term
fats and oils
Definition
are lipids that store energy
Term
ATP
Definition
is the major energy carrying molecules of cells
Term
nucleic acid
Definition
are molecules that carry the directions for how to make proteins
Term
nucleotides
Definition
smaller molecules that make up nucleic acids
Term
anerobic
Definition
organisms that can survive without air
Term
aerobic
Definition
organisms that need air to survive
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