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biology vocab. #2

second vocab. quiz

QuestionAnswer
activation energy amount of energy for a chemical reaction to start and to continue on its own
phospholipid a complex lipid having two fatty acids joined by a molecule or glycol
atp a molecule present in all living cells and acting as an energy source for metabolic processes
lipid a kind of organic compound that is insoluble in water, such as fats and steroids
hydrophilic molecular attraction to water
macro molecule A VERY LARGE ORGANIC MOLECULE COMPOSED OF MANY SIMILAR MOLECULES
polysaccharides complex carb. composed of three of more monosaccharides
monosaccharide simple sugar, such as fructose or glucose
monomer repeated, single molecule unit in a polymer
polar molecule soluble in water have a positive and negative end
organic compound anything that has carbon
hydrophobic fearing water
amino acid a carboolyic acid with an amino grouo, one of 20 monomers that form proteins
rna nucleic acid composed of a single strand and distinguished from DNA by containing ribose and uracil
polypeptide long chain of several amino acids
polymer compound consisting of repeated, linked monomers
hydronium H3O+ gives off in water(acids)
Hydroxide =bases
catalyst slows or speeds up reaction
Created by: koolshanana12
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