Question 1

Alteration of the ________ structure of a protein can transform the protein into an infectious agent known as a prion.

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) quaternary 
A) primary 
B) secondary 
C) tertiary 
D) quaternary

Question 2

An element with more or fewer neutrons than the same element as it appears on the periodic table is known as which of the following terms?

Accepted Answer

A) ion 
B) buffer 
C) isotope 
D) isomer 
A) ion 
B) buffer 
C) isotope 
D) isomer

Question 3

You received your genetic material from your parents in the form of DNA.Your DNA provides your cells with instruction for making ________.

Accepted Answer

A) lipids 
B) proteins 
C) polysaccharides 
D) cholesterol 
A) lipids 
B) proteins 
C) polysaccharides 
D) cholesterol

Question 4

A neutral atom must contain ________.

Accepted Answer

A) an equal number of protons and neutrons 
B) an equal number of protons, neutrons, and electrons 
C) an equal number of protons and electrons 
D) an equal number of neutrons and electrons 
A) an equal number of protons and neutrons 
B) an equal number of protons, neutrons, and electrons 
C) an equal number of protons and electrons 
D) an equal number of neutrons and electrons

Question 5

A molecule consisting of a long chain of glucose monomers linked by covalent bonds that serves as an energy source for plants and animals would be which of the following?

Accepted Answer

A) polysaccharide 
B) oligosaccharide 
C) monosaccharide 
D) sucrose 
A) polysaccharide 
B) oligosaccharide 
C) monosaccharide 
D) sucrose

Question 6

Triglycerides ________.

Accepted Answer

A) are fatty acids bonded to glycerol through hydrolysis 
B) have solid unsaturated form at room temperature, such as butter 
C) can provide twice the energy per gram than proteins 
D) All of the above are true. 
A) are fatty acids bonded to glycerol through hydrolysis 
B) have solid unsaturated form at room temperature, such as butter 
C) can provide twice the energy per gram than proteins 
D) All of the above are true.

Question 7

If I tested your intestinal fluid and found that it was basic,which of the pH values listed would best describe this solution?

Accepted Answer

A) 6.8 
B) 3.2 
C) 1.2 
D) 8.0 
A) 6.8 
B) 3.2 
C) 1.2 
D) 8.0

Question 8

A protein that speeds up chemical reactions without being consumed in the process is called a(n)________.

Accepted Answer

The answer of A protein that speeds up chemical reactions...

Question 9

Oxygen,with an atomic number of 8,is a neutral atom and would have ________ electrons in the first electron shell and ________ electrons in the second electron shell.

Accepted Answer

A) 1; 7 
B) 5; 3 
C) 4; 4 
D) 2; 6 
E) 3; 5 
A) 1; 7 
B) 5; 3 
C) 4; 4 
D) 2; 6 
E) 3; 5

Question 10

Match each definition in the first column to the correct term in the second column.
-Lipid molecules composed of one glycerol and three fatty acids that can be saturated,unsaturated,or polyunsaturated.

Accepted Answer

A) Monosaccharides 
B) Triglycerides 
C) Compound 
D) Denaturation 
E) Element
F)Polarity
G)Active site
H)Tertiary structure
I)Hydrogen bonds
J)Amino acids 
A) Monosaccharides 
B) Triglycerides 
C) Compound 
D) Denaturation 
E) Element
F)Polarity
G)Active site
H)Tertiary structure
I)Hydrogen bonds
J)Amino acids

Question 11

Match each definition in the first column to the correct term in the second column.
-Weak bonds that function to stabilize water and nucleic acids such as DNA.

Accepted Answer

A) Monosaccharides 
B) Triglycerides 
C) Compound 
D) Denaturation 
E) Element
F)Polarity
G)Active site
H)Tertiary structure
I)Hydrogen bonds
J)Amino acids 
A) Monosaccharides 
B) Triglycerides 
C) Compound 
D) Denaturation 
E) Element
F)Polarity
G)Active site
H)Tertiary structure
I)Hydrogen bonds
J)Amino acids

Question 12

Match each definition in the first column to the correct term in the second column.
-A pure form of matter that cannot be broken down to simpler forms.

Accepted Answer

A) Monosaccharides 
B) Triglycerides 
C) Compound 
D) Denaturation 
E) Element
F)Polarity
G)Active site
H)Tertiary structure
I)Hydrogen bonds
J)Amino acids 
A) Monosaccharides 
B) Triglycerides 
C) Compound 
D) Denaturation 
E) Element
F)Polarity
G)Active site
H)Tertiary structure
I)Hydrogen bonds
J)Amino acids

Question 13

Explain the major differences between covalent and ionic bonding.

Accepted Answer

In covalent bonding,electrons

Question 14

You have information about an atom that contains 7 protons,8 neutrons,and 8 electrons.Which of the following statements would be true?

Accepted Answer

A) It will have an atomic weight of 23. 
B) It will be an ion. 
C) It will have 8 electrons in its outermost shell. 
D) It will have an atomic number of 15. 
A) It will have an atomic weight of 23. 
B) It will be an ion. 
C) It will have 8 electrons in its outermost shell. 
D) It will have an atomic number of 15.

Question 15

Any substance that when dissolved in water will give off H+ ions is referred to as a(n):

Accepted Answer

A) pH. 
B) buffer. 
C) catalyst. 
D) acid. 
A) pH. 
B) buffer. 
C) catalyst. 
D) acid.

Question 16

A substance that,when disassociated in water,will give off hydrogen ions is referred to as a(n)________.

Accepted Answer

The answer of A substance that,when disassociated in water,will give...

Question 17

A(n)________ is a nonprotein substance that aids in forming the enzyme-substrate complex in metabolic reactions.

Accepted Answer

The answer of A(n)________ is a nonprotein substance that aids...

Question 18

Radioactive iodine (131I)is commonly used in medical situations for the diagnosis and treatment of thyroid conditions.The most common isotope of iodine that is not radioactive is 127I.Chemically,what is different between 127I and 131I? What is the same between them?

Accepted Answer

The difference between the two isotopes

Question 19

The energy storing polysaccharide that can be found mainly in liver and muscle cells is called ________.

Accepted Answer

The answer of The energy storing polysaccharide that can be...

Question 20

The pH scale measures ________.

Accepted Answer

A) OH- concentration 
B) buffer concentration 
C) H+ concentration 
D) All of the above are true. 
A) OH- concentration 
B) buffer concentration 
C) H+ concentration 
D) All of the above are true.

Exam 2: Chemistry Comes to Life

Alteration of the ________ structure of a protein can transform the protein into an infectious agent known as a prion.

An element with more or fewer neutrons than the same element as it appears on the periodic table is known as which of the following terms?

You received your genetic material from your parents in the form of DNA.Your DNA provides your cells with instruction for making ________.

A neutral atom must contain ________.

A molecule consisting of a long chain of glucose monomers linked by covalent bonds that serves as an energy source for plants and animals would be which of the following?

Triglycerides ________.

If I tested your intestinal fluid and found that it was basic,which of the pH values listed would best describe this solution?

A protein that speeds up chemical reactions without being consumed in the process is called a(n)________.

Oxygen,with an atomic number of 8,is a neutral atom and would have ________ electrons in the first electron shell and ________ electrons in the second electron shell.

Match each definition in the first column to the correct term in the second column. -Lipid molecules composed of one glycerol and three fatty acids that can be saturated,unsaturated,or polyunsaturated.

Match each definition in the first column to the correct term in the second column. -Weak bonds that function to stabilize water and nucleic acids such as DNA.

Match each definition in the first column to the correct term in the second column. -A pure form of matter that cannot be broken down to simpler forms.

Explain the major differences between covalent and ionic bonding.

You have information about an atom that contains 7 protons,8 neutrons,and 8 electrons.Which of the following statements would be true?

Any substance that when dissolved in water will give off H+ ions is referred to as a(n):

A substance that,when disassociated in water,will give off hydrogen ions is referred to as a(n)________.

A(n)________ is a nonprotein substance that aids in forming the enzyme-substrate complex in metabolic reactions.

Radioactive iodine (131I)is commonly used in medical situations for the diagnosis and treatment of thyroid conditions.The most common isotope of iodine that is not radioactive is 127I.Chemically,what is different between 127I and 131I? What is the same between them?

The energy storing polysaccharide that can be found mainly in liver and muscle cells is called ________.

The pH scale measures ________.

Humans in the World of Biology

The Cell

Body Organization and Homeostasis

The Skeletal System

The Muscular System

Neurons: the Matter of the Mind

The Nervous System

Sensory Systems

The Endocrine System

Blood

The Cardiovascular and Lymphatic Systems

Body Defense Mechanisms

The Respiratory System

The Digestive System

The Urinary System

Reproductive Systems

Development Throughout Life

Chromosomes and Cell Division

Genetics and Human Inheritance

Dna and Biotechnology

Evolution and Our Heritage

Ecology, the Environment, and Us

Human Populations, limited Resources, and Pollution

Food Safety and Defense

Drugs and the Mind

Diabetes Mellitus

a Cardiovascular Disease

a Special Topic: Infectious Disease

a Nutrition and Weight Control

Sexually Transmitted Diseases and Aids

Autism Spectrum Disorders

Stem Cells a Repair Kit for the Body

Cancer

Filters

Oxygen,with an atomic number of 8,is a neutral atom and would have electrons in the first electron shell and electrons in the second electron shell.