| A | B |
|---|
| denaturation | a protein loses its shape (and therefore its function) |
| proteins are _____ | a class of macromolecules composed of C, H, O, and N and are instrumental in almost everything cells do |
| Most protein names have the suffixes ____ (that is, the name ends in ...) | -in or -en |
| amino acids make up _____ | proteins |
| _____ are a particularly important group of proteins that spped up (catalyze) the rate of chemical reactions in an organism. | enzymes |
| Enzymes are not involved in a chemical change and therefore _____ | can be used over and over |
| Enzymes names usually end in _____ | -ase |
| nucleic acids are _____ | a class of macromolecules that contain C,H,O, and N and are polymers that are composed of monomers called nucleotides |
| Nucleic acid functions ____ | protein synthesis, stores genetic information |
| Nucleotides are made up of ____ | 3 parts (sugar, phosphate, and a base) |
| _____ are a large group of organic molecules that are not soluble in water. | lipids |
| Lipids are composed of _____ | C, H, and O. |
| Because lipids are an extremely diverse (very different) group of molecules, they _____ | do not have a monomer |
| Four groups of lipids are ____ | fats, sterols, phospholipids, and waxes |
| Lipids are ____ | not named |
| All lipids are ____ | hydrophobic (don't like water) |
| carbohydrates are ____ | sugars, or saccharides |
| Carbohydrates are composed of _____ | C, H, O in a ratio of 1:2:1 |
| Most carbohydrates are named by using the suffix _____ (ending in) | -ose |
| Monosaccharide is _____ | the monomer of carbohydrates |
| When two monosaccharides are bonded together, they form ____ | a disaccharide |
| Polysaccharides are _____ | carbohydrates that contain a few hundred to a few thousand monosaccharides linked together |
| Two major functions of carbohydrates are ____ | energy and storage |
| Carbohydrates are the ____ | main source of energy for living things |
| Cellulose is ___ | a carbohydrate and a major component of the tough cell walls of plant cells and is indigestible by humans but an important part of dietary fibert |
| The major classes of organic molecules are _____ | protein, carbohydrates, lipids, nucleic acids |
| _____ are molecules that contain carbon | organic molecules |
| Carbon dioxide is _____ | not organic |
| Organic molecules containing only carbon and hydrogen are _____ | hydrocarbons |
| _____ is a giant molecule formed by the joining of smaller molecules | macromolecule |
| ____ is a large molecule consisting of many identical or similar subunits strung together | polymer |
| _____ is a subunit that serves as a builoding block of a polymer | monomer |
