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Pentathlon
bold terms
18
Science
7th Grade
01/22/2010

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Term
water
Definition
water makes up approximately 70 percent of your cells and the cells of almost all living things
Term
anerobic
Definition
organisms that can live without air
Term
aerobic
Definition
organisms that cant live without air
Term
producers
Definition
organisms that make their own food through photosynthesis
Term
consumers
Definition
organisms that must consume other organisms such as plants and animals to get food
Term
decomposers
Definition
organisms that get their food from dead organisms
Term
proteins
Definition
large molecules made up of smaller molecules called amino acids
Term
enzymes
Definition
a proteins that speed up chemicals reactions in living things
Term
carbohydrates
Definition
molecules made of sugar
Term
simple carbohydrates
Definition
a molecule made of one or a few sugar molecules
Term
complex carbohydrate
Definition
made up of hundreds of sugar molecules
Term
lipids
Definition
molecules that cannot mix with water
Term
phospholipids
Definition
molecules that form much of a cell membrane
Term
glucose
Definition
the most common source of energy for cells
Term
fats and oils
Definition
they are lipids that store energy
Term
ATP
Definition
the major energy carrying molecule of cells
Term
nucleic acids
Definition
are molecules that carry the directions for how to make proteins
Term
nucleotide
Definition
are smaller molecules that make up nucleic acids
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