Carbohydrate
Boat and chair conformations are found

in any sugar without equatorial -OH groups
only in D-glucopyranose
in pyranose sugars
in any sugar without axial -OH groups

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Carbohydrate
Glucagon and epinephrine

stimulates gluconeogenesis and inhibits glycolysis
inhibits gluconeogenesis and stimulates glycolysis
stimulates gluconeogenesis and glycolysis
inhibits gluconeogenesis and glycolysis

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