Dan is a body builder. He decides that he is going to change his diet in an effort to increase his muscle mass. Dan tells you that he plans to eat vegetables and proteins but no fats or carbohydrates, because cells do not naturally contain these molecules and do not need them. You advise Dan that his new diet is not a good choice, and that he would do better to follow a well balanced diet that incorporates healthy amounts of proteins, fats AND carbohydrates.
-Dan asks you how his cells are able to use complex molecules such as proteins. You explain to him that proteins are macromolecules composed of ________ and that proteins can be broken down by ________, a type of reaction in which the addition of ________ breaks covalent bonds between subunits.
A) water; hydrolysis; amino acids
B) amino acid; hydrolysis; water
C) monosaccharides; hydrolysis; water
D) amino acids; dehydration synthesis; water
E) monosaccharides; dehydration synthesis; water

Question

Quizplus · Accepted Answer

Proteins are macromolecules composed of amino acids, and they can be broken down by hydrolysis, a type of reaction in which the addition of water breaks covalent bonds between subunits.

Dan Is a Body Builder