Question 1

Mechanical digestion, the process of breaking down large chunks of food into smaller pieces, is important because smaller pieces of food ________.

Accepted Answer

A)  do not taste as good as larger pieces of food 
B)  have more surface area for chemical digestion than do larger pieces of food 
C)  are easier to excrete than are larger pieces of food 
D)  are more easily stored in the stomach than are larger pieces of food 
A)  do not taste as good as larger pieces of food 
B)  have more surface area for chemical digestion than do larger pieces of food 
C)  are easier to excrete than are larger pieces of food 
D)  are more easily stored in the stomach than are larger pieces of food

Question 2

The digestion of ________ begins in the stomach.

Accepted Answer

A)  protein 
B)  fat 
C)  nucleic acids 
D)  carbohydrates 
A)  protein 
B)  fat 
C)  nucleic acids 
D)  carbohydrates

Question 3

Lysine is an essential amino acid for animals. If an animal did not consume lysine in its diet, you might expect that the animal ________.

Accepted Answer

A)  would make lysine from other amino acids 
B)  could not effectively make many necessary proteins 
C)  was a carnivore 
D)  would be very healthy 
A)  would make lysine from other amino acids 
B)  could not effectively make many necessary proteins 
C)  was a carnivore 
D)  would be very healthy

Question 4

What is the importance of the mucus that are released by salivary glands?

Accepted Answer

A)  They aid in degradation of triglycerides to fatty acids and monoglycerides. 
B)  They are beginning the process of starch digestion. 
C)  They are hormonal molecules that stimulate the release of gastric juice by the stomach in anticipation of receipt of the contents of the mouth. 
D)  They are glycoproteins that make food slippery enough to slide easily through the esophagus. 
A)  They aid in degradation of triglycerides to fatty acids and monoglycerides. 
B)  They are beginning the process of starch digestion. 
C)  They are hormonal molecules that stimulate the release of gastric juice by the stomach in anticipation of receipt of the contents of the mouth. 
D)  They are glycoproteins that make food slippery enough to slide easily through the esophagus.

Exam 41: Animal Nutrition

Mechanical digestion, the process of breaking down large chunks of food into smaller pieces, is important because smaller pieces of food ________.

The digestion of ________ begins in the stomach.

Lysine is an essential amino acid for animals. If an animal did not consume lysine in its diet, you might expect that the animal ________.

What is the importance of the mucus that are released by salivary glands?

Evolution, the Themes of Biology, and Scientific Inquiry

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Viruses

DNA Tools and Biotechnology

Genomes and Their Evolution

Descent with Modification: A Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity II: The Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Vascular Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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