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bio terms
bio terms
19
Biology
9th Grade
09/30/2014

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Term
Monomer
Definition
small chemical unit that makes up a polymer
Term
polymer
Definition
molecules composed of many monomers;makes up macromolecules
Term
Carbohydrate
Definition
Compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
Term
monosaccharide
Definition
simple sugar molecule
Term
Lipid
Definition
macromolecule made mostly from carbon and hydrogen atoms; inculdes fats, oils, and waxes
Term
nucleic acid
Definition
marcomolecules containing hydrogen, oxygen, nitrogen, cabon, and phosphorus
Term
nucleotide
Definition
subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
Term
protein
Definition
marcromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
Term
amino acid
Definition
compound with an amino group on one end and a carboxyl group on the other end
Term
diffusion
Definition
the process by which molecules spread from areas of high concentration, to areas of low concentration.
Term
facilitated diffusion
Definition
the process by which molecules spread from areas of high concentration, to areas of low concentration.
Term
aquaporin
Definition
the cells that contain channel proteins
Term
osmosis
Definition
the diffusion of water through
Term
isotonic
Definition
Concentration of water and sugar will be the same on both sides of the membrane
Term
hypertonic
Definition
when comparing two solutions the solution with the greater concentration of solutes
Term
hypotonic
Definition
when comparing two solutions, the solution with the lesser concentration of solutes
Term
osmotic pressure
Definition
the net movement of water out of or into a cell produces a force known as osmotic pressure.
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