Carbohydrate
The conversion of pyruvate to oxaloacetate

all of the above
occurs in the mitochondria
involves the fixation of carbon dioxide
requires biotin

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Carbohydrate
The glycosidic bond

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

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

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