Biochemistry: The composition of living matter – Flashcards
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formed when an acid and a base are combined
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buffers and salts
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substances such as lemo juice and vinegar
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acid
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prevents rapid/ large swings in pH
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Buffer
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the ability of water to maintain a relatively constant temperaature and this prevent sudden changes
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specific heat
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biochemical reactions in the body must occur in
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water
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about_____% of the volume of living cells is water
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67%
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water molecules are bonded to other water molecules because of the presence of ____ bonds
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hydrogen
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water, as H+ an OH- ions, is essential in biochemical reactions such as
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dehydration synthesis & hydrolysis
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because of its ____ water is an excellent solvent and forms the basis of mucas and other body fluids
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polarity
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organic molecules include
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fats, proteins, and glucose
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building blocks of carbohydrates
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monosacharides
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building blocks of fat
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fatty acids and glycerol
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building blocks of proteins
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amino acids
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nuucleotides
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building blocks of nucleis acids
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cellular cytoplasm is primarily composed of this substance
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carbohydrares
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1- the single most important food source for body cells
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carbohydrates
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not suluable in water
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lipids (fats)
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contain C,H and O in the ratio CH2O
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carbohydrates
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contain C,H and O but have relatively small amounts of oxygen
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lipids (fats) and fatty acids
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