ACROSS
12 The name given to a polymer of amino acids; equivalent to protein
13 Functional group of many organic acids
15 Number of covalent bonds for each oxygen
17 A covalent bond where the electrons are not shared equally among the bonded atoms
19 A fatty acid with one or more double bonds
21 Arrangement of phospholipids in cell membranes
22 A fatty acid with no double bonds
23 A disaccharide consisting of glucose and fructose
24 An atom that has gained or lost one or more electrons
28 Monomers bonded end to end in a long chain
30 The monomer of chitin
31 Descriptive of water-soluble, polar molecules
34 A reaction that breaks down molecules with the addition of a water molecule
36 Glycerol, 2 fatty acids, and a phosphate group; major component of cell membranes
37 Prefix meaning "two"
39 Sub-atomic particle in the nucleus with a zero charge
40 Dietary lipid with a glycerol residue bonded to 3 fatty acids
42 Solid, liquid, or gas that results in the dissociation of hydroxide ions
43 A chemical bond involving one pair of shared electrons
46 The 5-carbon sugar component of RNA
47 A reaction that joins monomers by removing a molecule of water
48 Number of covalent bonds for each hydrogen
50 The study of matter
52 A solution with liberated ions and electrons capable of conducting electric current
54 An alcohol with only one carbon
56 A covalent bond with electrons shared equally among bonded atoms
59 Different versions of elements owing to differing numbers of neutrons
60 A polymer of amino acids
62 Function group (COOH) that gives up a proton in aqueous solutions; acidic
64 A polymer of glucose common to plants
65 A disaccharide consisting of glucose and galactose
66 Number of covalent bonds to each oxygen
67 A polymer of glucosamine found in arthropod exoskeletons and fungal cell walls
DOWN
1 The covalent bond between amino acids
2 The most polar of all molecules in biological systems; the liquid of life
3 An alcohol with 2 carbons
4 The 3d structure of proteins based on chemical and polar interactions between amino acid side chains
5 The level of protein structure based on hydrogen bonding between amino acid side chains
6 Descriptive of fat-soluble, non-polar molecules
7 A polymer of glucose found in the cell walls of all plants
8 A polymer of glucose found in animal cells
9 The element common to organic molecules
10 The science of life
11 Prefix meaning "many"
14 Number of covalent bonds to each hydrogen
16 Suffix for all hydrocarbons with only single bonds between the carbons
18 The level of protein structure based on the sequence of amino acids
20 Technical term for sugar
25 Suffix for molecules containing at least one hydroxyl group
26 The monomer of protons
27 The 5-carbon sugar of DNA
28 The measure of the acidity of a solution
29 Class of organic molecules with a C:H:O ration of 1:2:1
32 Number of covalent bonds to each carbon in a molecule
33 Number of covalent bonds for each carbon
35 Prefix meaning "one"
38 Negatively charged sub-atomic particle
41 Bond involving two pairs of shared electrons
42 The mascot of OHS
44 Function group that strips a proton from a water molecule, resulting in a dissociated hydroxide ion
45 Molecules with the same empirical formula, but with different structures and characteristics
49 Element with 5 valence electrons; component of proteins and nucleic acids
51 Function group with -OH
53 Class of non-polar molecules
55 Generic term for the units joined together in a polymer
57 The electrons outside a filled orbital
58 Class of organic molecules containing a single hydroxyl group
60 Positively charged sub-atomic particle in the nucleus
61 The scientific name of plant starch
63 Solid, liquid, or gas that results in a dissociated hydrogen ion