CHAPTER 2: THE CHEMICAL BASIS OF LIFE

Water is a nonpolar molecule composed of one atom of oxygen and two atoms of hydrogen.

________ is the unique number of protons in an atom.

In a ___________ reaction, atoms, ions, molecules, or compounds interact either to form or to break chemical bonds.

Salts are formed when acids react with bases.

_________ is the simplest type of matter with unique chemical properties.

_________ is the ability to do work.

All living and nonliving things are composed of ______________ which is anything that occupies space and has mass.

A solution is a combination of two or more substances physically blended together but not chemically combined.

There 2 major types of Chemical Bonding are Covalent and Ionic Bonding.

What are the two important polysaccharides found in plants, and both are composed of long chains of glucose?.

____________ is one of the major type of lipid.

The following are the major groups of organic molecules that are essential to living organisms except _________

_______ nucleotides contain the monosaccharide deoxyribose and the organic bases adenine, thymine, guanine, or cytosine.

The pH scale refers to the hydrogen ion concentration in a solution.

_____________ nucleotides are composed of the monosaccharide ribose.