Question 1

The linear arrangement of amino acids in a polypeptide chain is referred to as the structure of the protein.

Accepted Answer

The answer of The linear arrangement of amino acids in...

Question 2

A denatured protein differs from a normal protein because it

Accepted Answer

A)  has lost its usual secondary and tertiary structures. 
B)  contains many disulfide bonds. 
C)  is composed of nucleotides. 
D)  does not contain amino acids. 
A)  has lost its usual secondary and tertiary structures. 
B)  contains many disulfide bonds. 
C)  is composed of nucleotides. 
D)  does not contain amino acids.

Question 3

How many hydrogen bonds exist between a G- C base pair?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 4

Which of the following is TRUE about waxes?

Accepted Answer

A)  They are unsaturated and most similar to proteins. 
B)  They are an important food source, and most animals have enzymes for breaking them down. 
C)  They are saturated fats and are solid at normal outdoor temperatures. 
D)  They are a type of complex carbohydrate. 
A)  They are unsaturated and most similar to proteins. 
B)  They are an important food source, and most animals have enzymes for breaking them down. 
C)  They are saturated fats and are solid at normal outdoor temperatures. 
D)  They are a type of complex carbohydrate.

Question 5

Why can cows break down cellulose into glucose subunits, but humans cannot?

Accepted Answer

Cows lack the ability to break

Question 6

What are the four major types of biological molecules?

Accepted Answer

carbohydrates, lipid

Question 7

Which of the following best explains the molecular complexity of living organisms?

Accepted Answer

A)  Each organism has its own unique set of monomers for use in constructing polymers. 
B)  The large number of different monomers allows for the construction of many polymers. 
C)  A small number of monomers can be assembled into large polymers with many different combinations/sequences. 
D)  Condensation reactions can create different polymers because they can combine virtually any molecules in the cell. 
E)  Although there are not many biological molecules in cells, each one has many different functions. 
A)  Each organism has its own unique set of monomers for use in constructing polymers. 
B)  The large number of different monomers allows for the construction of many polymers. 
C)  A small number of monomers can be assembled into large polymers with many different combinations/sequences. 
D)  Condensation reactions can create different polymers because they can combine virtually any molecules in the cell. 
E)  Although there are not many biological molecules in cells, each one has many different functions.

Question 8

Describe the differences between saturated and unsaturated fatty acids. Which is most likely to be solid at room temperature? Why?

Accepted Answer

Saturated fats have only single C- C bon

Question 9

Which of the following provides long- term energy storage for plants?

Accepted Answer

A)  Glycogen 
B)  Cellulose 
C)  Starch 
D)  Glucose 
E)  ATP 
A)  Glycogen 
B)  Cellulose 
C)  Starch 
D)  Glucose 
E)  ATP

Question 10

Why is it an advantage for animals that migrate long distances to store energy as lipids rather than carbohydrates?

Accepted Answer

Lipids (fats) store

Question 11

In this scenario, what is the most likely procedure beer makers use to produce alcohol from starchy grains?

Accepted Answer

A)  The starch is converted into a polymer of many glucose molecules before being used. 
B)  The starch is converted into glycogen, which is easier for the yeast to digest. 
C)  Water is used to break the bonds between glucose subunits in the starch, in a form of dehydration synthesis. 
D)  The starch is broken down into mono- and/or disaccharides by hydrolysis before use. 
A)  The starch is converted into a polymer of many glucose molecules before being used. 
B)  The starch is converted into glycogen, which is easier for the yeast to digest. 
C)  Water is used to break the bonds between glucose subunits in the starch, in a form of dehydration synthesis. 
D)  The starch is broken down into mono- and/or disaccharides by hydrolysis before use.

Question 12

Which of the following biological molecules are composed of amino acid subunits?

Accepted Answer

A)  Lipids 
B)  Carbohydrates 
C)  Proteins 
D)  Nucleic acids 
A)  Lipids 
B)  Carbohydrates 
C)  Proteins 
D)  Nucleic acids

Question 13

Which of these biological molecules contain genetic information?

Accepted Answer

A)  Proteins 
B)  Nucleic acids 
C)  Lipids 
D)  Carbohydrates 
A)  Proteins 
B)  Nucleic acids 
C)  Lipids 
D)  Carbohydrates

Question 14

Where is glycogen stored in vertebrate animals?

Accepted Answer

A)  Brain and kidneys 
B)  Teeth and bones 
C)  Liver and muscles 
D)  Pancreas and blood 
E)  Fat cells 
A)  Brain and kidneys 
B)  Teeth and bones 
C)  Liver and muscles 
D)  Pancreas and blood 
E)  Fat cells

Question 15

Triglycerides are

Accepted Answer

A)  a main component of cellular membranes. 
B)  polymers of amino acids. 
C)  made from glycerol and fatty acids. 
D)  always composed of carbon rings. 
E)  hydrophilic. 
A)  a main component of cellular membranes. 
B)  polymers of amino acids. 
C)  made from glycerol and fatty acids. 
D)  always composed of carbon rings. 
E)  hydrophilic.

Question 16

When 1 gram of each of these food sources is consumed, which yields the greatest amount of energy in calories?

Accepted Answer

A)  Fat 
B)  Glucose 
C)  Phenylalanine 
D)  Sucrose 
E)  Polypeptide 
A)  Fat 
B)  Glucose 
C)  Phenylalanine 
D)  Sucrose 
E)  Polypeptide

Question 17

Cell membranes are an example of a lipid bilayer. In this lipid bilayer, both the outside of the cell and the inside of the cell are in nature.

Accepted Answer

A)  watery 
B)  charged 
C)  hydrophobic 
D)  polar 
E)  hydrophilic 
A)  watery 
B)  charged 
C)  hydrophobic 
D)  polar 
E)  hydrophilic

Question 18

Which type of molecule is most abundant in a typical cell?

Accepted Answer

A)  Protein 
B)  Carbohydrate 
C)  Lipid 
D)  Nucleic acids 
E)  Water 
A)  Protein 
B)  Carbohydrate 
C)  Lipid 
D)  Nucleic acids 
E)  Water

Question 19

Which of the following is an example of a protein?

Accepted Answer

A)  ATP 
B)  Cellulose 
C)  Estrogen 
D)  Keratin 
A)  ATP 
B)  Cellulose 
C)  Estrogen 
D)  Keratin

Question 20

The carbohydrate in DNA is

Accepted Answer

A)  glucose. 
B)  cellulose. 
C)  deoxyribose. 
D)  phosphate. 
E)  ribose. 
A)  glucose. 
B)  cellulose. 
C)  deoxyribose. 
D)  phosphate. 
E)  ribose.

Exam 3: Biological Molecules

The linear arrangement of amino acids in a polypeptide chain is referred to as the structure of the protein.

A denatured protein differs from a normal protein because it

How many hydrogen bonds exist between a G- C base pair?

Which of the following is TRUE about waxes?

Why can cows break down cellulose into glucose subunits, but humans cannot?

What are the four major types of biological molecules?

Which of the following best explains the molecular complexity of living organisms?

Describe the differences between saturated and unsaturated fatty acids. Which is most likely to be solid at room temperature? Why?

Which of the following provides long- term energy storage for plants?

Why is it an advantage for animals that migrate long distances to store energy as lipids rather than carbohydrates?

In this scenario, what is the most likely procedure beer makers use to produce alcohol from starchy grains?

Which of the following biological molecules are composed of amino acid subunits?

Which of these biological molecules contain genetic information?

Where is glycogen stored in vertebrate animals?

Triglycerides are

When 1 gram of each of these food sources is consumed, which yields the greatest amount of energy in calories?

Cell membranes are an example of a lipid bilayer. In this lipid bilayer, both the outside of the cell and the inside of the cell are in nature.

Which type of molecule is most abundant in a typical cell?

Which of the following is an example of a protein?

The carbohydrate in DNA is

An Introduction to Life on Earth

Atoms, Molecules, and Life

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity II: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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