A&P Test Your Knowledge 3-3

Why are enzymes necessary for cell metabolism? a. cell metabolism would be too slow without them b. they are necessary for active transport c. they are cellular fuel d. our cells don't need enzymes

cell metabolism would be too slow without them

What molecule is broken down to make energy during cellular respiration? a.water b. glucose c. carbon dioxide d. citric acid

glucose

during anabolic reactions, water is ______ and molecules are hitched together to make a large molecule.

removed

Which of the following is true of enzymes? a. they slow down biological reactions b. they are carbohydrates c. they are not used up in the reactions d. they are poisons

they are not used up in the reactions

Ingested food must be converted to ____ to provide usable cellular energy.

ATP