Biology 241 Quiz 2 Chapter 2

the smallest unit of an element that still retains the distinctive behavior of that element is an __________ a.) atom b.) electron c.) isotope d.) elemental particle

a.) atom

a substance formed of crystals of equal numbers of cations and anions held together by ionic bonds is called a(n) _________ a.) salt b.) dipole c.) noble gas d.) electrolyte

a.) salt

a pentose sugar is a part of the monomer used to build which type of macromolecule? a.) polysaccharides b.) nucleic acids c.) phosphorylated glucose d.) glycogen

b.) nucleic acids

Chewing a bite of bread mixes it with saliva and facilitates its chemical breakdown. This is most likely due to the fact that ________. a.) chowing stores potential energy b.) saliva contains enzymes c.) the inside of the mouth maintains a very high temperature d.) chewing facilitates synthesis reactions

b.) saliva contains enzymes

which of the following is a functional group that is part of a building block of proteins? a.) adenine b.) phosphate c.) ribose d.) amino

d.) amino