Chapter 4, Problem 1SC

_______ groups are the acid part of amino acids and fatty acids. a. Hydroxyl (OH) c. Methyl (CH3) b. Carboxyl (COOH) d. Phosphate (PO4)

Which of the following is a class of molecules that encompasses all of the other molecules listed? a. triglycerides b. fatty acids c. waxes d. steroids e. lipids f. phospholipids

Match the terms related to protein building.

Distinguish between an element, an atom, and a molecule.

Name three vital properties of water in living cells.

Does physical exercise to increase muscle mass involve anabolic and/or catabolic processes? Give evidence for your answer.

Saturated fatty acids are so named because they are saturated with (a) hydrogen (b) water (c) hydroxyl groups (d) glycerol (e) double bonds

Explain the difference between an ionic bond and a covalent bond.

Manufacturers make carbonated drinks by forcing pressurized carbon dioxide gas into flavored water. A chemical reaction between water molecules and some of the CO2 molecules creates hydrogen ions (H+) and bicarbonate, which is a buffer. In your opinion, is this reaction likely to raise the pH of a soda above 7, or lower it? Give your reasoning.