Exam 50: Nutrition, Digestion, and Absorption

A newly described species of ungulate (hoofed animal) from Vietnam feeds almost entirely on vegetation.Its set of teeth contains no canines but does have many molars and premolars in the back for _______.

Which feature characterizes the enteric nervous system of the vertebrate gut?

When a region of smooth muscle in the esophagus contracts, just beyond that region the _______ muscle _______ and the longitudinal muscle _______, and food moves forward.

Chylomicrons are produced in the

Which statement about proteins and amino acids is true?

Which animals feed on dead organic matter?

Which statement about vitamin D is true?

In an experiment on mice, one group was injected with leptin and a second group was injected with ghrelin.The control group was injected with saline only.Following the injections, the ghrelin-injected group was observed to eat _______ than the control group.

Which statement about the regulation of food intake is true?

Vitamins are essential nutrients for cells because they cannot be synthesized by the animal itself, and most

Which statement about energy storage in animals is true?

In an experiment with wild-type rats, you inject an experimental group of rats with ghrelin dissolved in a solvent, and the control group with just the solvent.In subsequent observations of the two groups, you would expect the control group's behavior to remain the same and the experimental group to _______ than the control group.

What are some of the likely reasons that basal metabolic rate is typically higher in human males than females?

Refer to the figure showing the intestinal surface area of various organisms. All of the structures labeled in the figure function to increase the surface area available for absorption.Which structure is correctly matched with its name?

The major form of stored energy in animal bodies is _______ because it _______.

The major enzyme produced by the stomach is

Identify the incorrect pairing of a micronutrient with its major function.

Which statement about the essential amino acids is true?

_______ are organisms such as protists and fungi that absorb nutrients from dead organic matter.

The root of a typical mammalian tooth contains _______, but not _______.