Question 1

What is the major structural difference between starch and glycogen?

Accepted Answer

A)  the types of monosaccharide subunits in the molecules 
B)  the type of glycosidic linkages in the molecule 
C)  whether glucose is in the α or β form 
D)  the amount of branching that occurs in the molecule 
A)  the types of monosaccharide subunits in the molecules 
B)  the type of glycosidic linkages in the molecule 
C)  whether glucose is in the α or β form 
D)  the amount of branching that occurs in the molecule

Question 2

The enzyme amylase can break glycosidic linkages between glucose monomers only if the monomers are the α form. Which of the following could amylase break down?

Accepted Answer

A)  starch 
B)  cellulose 
C)  chitin 
D)  starch and chitin only 
E)  starch, cellulose, and chitin 
A)  starch 
B)  cellulose 
C)  chitin 
D)  starch and chitin only 
E)  starch, cellulose, and chitin

Question 3

Which of the following categories includes all others in the list?

Accepted Answer

A)  monosaccharide 
B)  disaccharide 
C)  starch 
D)  carbohydrate 
E)  polysaccharide 
A)  monosaccharide 
B)  disaccharide 
C)  starch 
D)  carbohydrate 
E)  polysaccharide

Question 4

How do the α and β forms of glucose differ?

Accepted Answer

A)  Their ring structures differ in the location of a hydroxyl group. 
B)  Their linear structures differ in the location of a hydroxyl group. 
C)  The α form can be involved in 1,4- and 1,6-glycosidic linkages; the β form can participate only in 1,4 linkages. 
D)  The oxygen atom inside the ring is located in a different position. 
A)  Their ring structures differ in the location of a hydroxyl group. 
B)  Their linear structures differ in the location of a hydroxyl group. 
C)  The α form can be involved in 1,4- and 1,6-glycosidic linkages; the β form can participate only in 1,4 linkages. 
D)  The oxygen atom inside the ring is located in a different position.

Exam 5: An Introduction to Carbohydrates

What is the major structural difference between starch and glycogen?

The enzyme amylase can break glycosidic linkages between glucose monomers only if the monomers are the α form. Which of the following could amylase break down?

Which of the following categories includes all others in the list?

How do the α and β forms of glucose differ?

Biology and the Tree of Life

Water and Carbon: the Chemical Basis of Life

Protein Structure and Function

Nucleic Acids and the Rna World

Ecosystems and Global Ecology

Lipids, Membranes, and the First Cells

Inside the Cell

Energy and Enzymes: an Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cellcell Interactions

The Cell Cycle

Meiosis

Mendel and the Gene

Dna and the Gene: Synthesis and Repair

How Genes Work

Transcription, Rna Processing, and Translation

Control of Gene Expression in Bacteria

Control of Gene Expression in Eukaryotes

The Molecular Revolution: Biotechnology and Beyond

Genes, Development, and Evolution

Evolution by Natural Selection

Evolutionary Processes

Speciation

Phylogenies and the History of Life

Bacteria and Archaea

Protists

Green Algae and Land Plants

Fungi

An Introduction to Animals

Protostome Animals

Deuterostome Animals

Viruses

Plant Form and Function

Water and Sugar Transport in Plants

Plant Nutrition

Plant Sensory Systems, Signals, and Responses

Plant Reproduction and Development

Animal Form and Function

Water and Electrolyte Balance in Animals

Animal Nutrition

Gas Exchange and Circulation

Animal Nervous Systems

Animal Sensory Systems

Animal Movement

Chemical Signals in Animals

Animal Reproduction and Development

The Immune System in Animals

An Introduction to Ecology

Behavioral Ecology

Population Ecology

Community Ecology

Biodiversity and Conservation Biology

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