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AP Biology Biochemistry Flashcards

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5431939007PolarA molecule where one part is positively charged and another is negatively charged.0
5431966066HydrophilicMolecules that are polar and can dissolve in water or associate with other polar molecules.1
5431976509HydrophobicMolecules that are nonpolar and do not dissolve in water or associate with polar molecules.2
5431992742MonosaccharideThe smallest carbohydrates; sugars3
5432001562PolysaccharideA chain of more than 10 linked monosaccharides; ex. a starch.4
5432012048HydrolysisReaction in which molecules are broken down into smaller components through the addition of water.5
5432024803Dehydration SynthesisReaction in which molecules are synthesized from smaller components through the removal of water.6
5432036515LipidNonpolar organic compounds such as oils and fats.7
5432055153PhospholipidA lipid composed of two fatty acid chains and a phosphate group; the main component of cell membranes.8
5432074915Amino AcidThe building block of proteins.9
5432080102PrionAn infectious agent composed entirely of protein, contains no genetic material.10
5432087842DenaturationThe unfolding of a protein in such a way that its structure and function are compromised. Often caused by extreme condition such as heat.11
5432102825Nucleic AcidGenetic material such as DNA and RNA, composed of nucleotides containing a nitrogenous base, a phosphate group, and a sugar.12
5432114693AnabolismA metabolic reaction in which complicated molecules are built from simpler ones, energy is required.13
5432122124CatabolismA metabolic reaction in which energy is released through the breakdown of complex molecules into simpler ones.14
5432135994Activation EnergyThe energy input required to start a reaction15
5432135995CoenzymeAn organic compound necessary for the functioning of an enzyme.16
5432138001CofactorAn organic or inorganic molecule necessary for an enzymatic reaction to take place17
5432138002Allosteric SiteA region on an enzyme that can regulate the functioning of the enzyme, but is not where the substrate binds.18
5432179586Active SiteThe region of the enzyme where the substrate binds.19
5467522050EnzymeA type of protein that catalyzes reactions (such as dehydration synthesis and hydrolysis)20

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