Carbohydrate
Insulin

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

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Carbohydrate
The glycosidic bond

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

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Carbohydrate
The multistep pathways of metabolism are efficient because they

locate all of the enzymes for a pathway in the same place within the cell
spread the enzymes for a pathway into several different organelles
use the same enzyme for all of the substrates in the pathway
use the same substrate for all of the enzymes in the pathway

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

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

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