Chemistry for Biology I identifies chemical reactions in which chemical bonds are broken and refromed to produce new substances. Some signs that indicate a chemical reaction are change in temperature, color, the formation of precipitate (new solid), or the formation of gas.

Chemistry for Biology II identifies different kinds of carbohydrates. Carbohydrates exist in three forms: monosaccharides or simple sugars found in honey and apples; disaccharides or double sugars found in table and powdered sugar; and polysaccharides found in potatotes and oats. Kemtec™.