Carbohydrate
The hormones, glucagon and epinephrine, stimulate glycogen breakdown to G-6-P

indirectly, by first stimulating adenylate cyclase to make cAMP
using ATP as the phosphoryl donor
only in the liver
directly, by binding to glycogen phosphorylase

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Carbohydrate
Which of the following statements about the energy needs of cells is false?

The laws of thermodynamics force cells to acquire energy
The most usable energy for cells comes from the rapid combustion of glucose
Without a continuous input of energy, cell disorder will increase
Many cellular reactions have an associated activation energy

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Carbohydrate
The glycosidic bond

both (b) and (c)
joins glucose and fructose to form sucrose
in sucrose is hydrolyzed by bees
in maltose is not hydrolyzed in lactose intolerant humans

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