Chapter 41

Fat digestion yields fatty acids and glycerol. Protein digestion yields amino acids. Both digestive processes (A) occur inside cells in most animals. (B) add a water molecule to break bonds. (C) require a low pH resulting from HCl production. (D) consume ATP.

The mammalian trachea and esophagus both connect to the (A) pharynx. (B) stomach. (C) large intestine. (D) rectum.

In which organ does almost all enzymatic digestion of food occur? (A) stomach (B) small intestine (C) large intestine (D) pancreas

In which digestive system organ does nearly all nutrient absorption occur? (A) stomach (B) small intestine (C) large intestine (D) pancreas

After surgical removal of the gallbladder, a person might need to limit his or her dietary intake of (A) starch. (C) sugar. (B) protein. (D) fat.

If you were to jog \(1 \mathrm{~km}\) a few hours after lunch, which stored fuel would you probably tap? (A) muscle proteins (B) muscle and liver glycogen (C) fat in the liver (D) fat in adipose tissue

In human populations of northern European origin, the disorder called hemochromatosis causes excess iron uptake from food and affects one in 200 adults. Among individuals 15 to 50 years old, men are ten times as likely as women to suffer from iron overload. Taking into account this range of ages, propose a hypothesis that explains this difference.

Hair is largely made up of the protein keratin. In a short essay \((100-150\) words), explain why a shampoo containing protein cannot replace the protein in damaged hair.