Question 1

Atoms that lose or gain electrons become electrically charged particles called __________.

Accepted Answer

A)  ions 
B)  molecules 
C)  protons 
D)  isotopes 
A)  ions 
B)  molecules 
C)  protons 
D)  isotopes

Question 2

When unstable isotopes decompose, they release __________ in the form of energy or atomic fragments.

Accepted Answer

The answer of When unstable isotopes decompose, they release __________...

Question 3

Protons are the particles within an atom that determine the atom's bonding behavior.

Accepted Answer

A) True 
 B)False

Question 4

The primary function of the type of lipid called __________ is to store energy for cellular activities.

Accepted Answer

The answer of The primary function of the type of...

Question 5

Solution A has a pH of 6 and Solution B has a pH of 3. Which statement is correct?

Accepted Answer

A)  Solution B has 3 times more H + than Solution A. 
B)  Solution B has 3 times less H + than Solution A. 
C)  Solution B has 30 times more H + than Solution A. 
D)  Solution B has 1000 times more H + than Solution A. 
E)  Solution B has 1000 times less H + than Solution A. 
A)  Solution B has 3 times more H + than Solution A. 
B)  Solution B has 3 times less H + than Solution A. 
C)  Solution B has 30 times more H + than Solution A. 
D)  Solution B has 1000 times more H + than Solution A. 
E)  Solution B has 1000 times less H + than Solution A.

Question 6

Matter is anything that has weight and takes up space.

Accepted Answer

A) True 
 B)False

Question 7

During an exchange reaction, the bonds of a reactant molecule break so that simpler molecules, atoms, or ions are formed.

Accepted Answer

A) True 
 B)False

Question 8

The term __________ is defined as the amount of matter, while the term __________ refers to the gravitational pull on the matter.

Accepted Answer

A)  mass; weight 
B)  weight; mass 
A)  mass; weight 
B)  weight; mass

Question 9

What blood pH is associated with the condition called alkalosis?

Accepted Answer

A)  Blood pH between 7.35 and 7.45 
B)  Blood pH below 7.0 
C)  Blood pH above 7.45 
D)  Blood pH below 7.35 
A)  Blood pH between 7.35 and 7.45 
B)  Blood pH below 7.0 
C)  Blood pH above 7.45 
D)  Blood pH below 7.35

Question 10

The molecular formula for compounds like sodium chloride (NaCl) indicate the relative amounts of each element present.

Accepted Answer

A) True 
 B)False

Question 11

Describe carbon dioxide.

Accepted Answer

A)  It is inhaled in large quantities from the environment. 
B)  It is a waste product of metabolic processes. 
C)  It is an element. 
D)  It is a salt. 
E)  It is an electrolyte. 
A)  It is inhaled in large quantities from the environment. 
B)  It is a waste product of metabolic processes. 
C)  It is an element. 
D)  It is a salt. 
E)  It is an electrolyte.

Question 12

What type of chemical bonds are, individually, relatively weak but, collectively, are strong enough to be responsible for the surface tension of water?

Accepted Answer

A)  Ionic bonds 
B)  Polar covalent bonds 
C)  Hydrogen bonds 
D)  Nonpolar covalent bonds 
A)  Ionic bonds 
B)  Polar covalent bonds 
C)  Hydrogen bonds 
D)  Nonpolar covalent bonds

Question 13

The term ____________ is defined as anything that has weight and takes up space.

Accepted Answer

The answer of The term ____________ is defined as anything...

Question 14

What is meant by the denaturation of a protein?

Accepted Answer

A)  Amino acids are removed from the original polypeptide chain, leading to denaturation. 
B)  Additional carboxyl groups bind to the ends of the polypeptide chain, leading to denaturation. 
C)  Hydrogen bonds between regions of the polypeptide chain are broken, leading to denaturation. 
D)  Larger amino acids such as phenylalanine are replaced with smaller amino acids such as cysteine, leading to denaturation. 
A)  Amino acids are removed from the original polypeptide chain, leading to denaturation. 
B)  Additional carboxyl groups bind to the ends of the polypeptide chain, leading to denaturation. 
C)  Hydrogen bonds between regions of the polypeptide chain are broken, leading to denaturation. 
D)  Larger amino acids such as phenylalanine are replaced with smaller amino acids such as cysteine, leading to denaturation.

Question 15

An acid is defined as an electrolyte that releases hydroxide ions (OH -) in water.

Accepted Answer

A) True 
 B)False

Question 16

Each whole number on the pH scale represents a __________-fold difference in hydrogen ion concentration.

Accepted Answer

A)  2 
B)  10 
C)  15 
D)  20 
E)  100 
A)  2 
B)  10 
C)  15 
D)  20 
E)  100

Question 17

Protons are located in the __________ of an atom and they have an electrical charge that is __________.

Accepted Answer

A)  nucleus; negative 
B)  nucleus; neutral 
C)  shells; negative 
D)  nucleus; positive 
E)  shells; neutral 
A)  nucleus; negative 
B)  nucleus; neutral 
C)  shells; negative 
D)  nucleus; positive 
E)  shells; neutral

Question 18

Overall, the electrical charge of a nucleus of an atom is always __________.

Accepted Answer

A)  neutral 
B)  positive 
C)  negative 
A)  neutral 
B)  positive 
C)  negative

Question 19

An atom of oxygen has an atomic weight of 8. Its isotope with an atomic weight of 15 would have __________ neutrons in its nucleus.

Accepted Answer

A)  5 
B)  7 
C)  8 
D)  15 
A)  5 
B)  7 
C)  8 
D)  15

Question 20

The simplest examples of matter are the __________, each of which has specific chemical properties that differentiate them from all others.

Accepted Answer

The answer of The simplest examples of matter are the...

Atoms that lose or gain electrons become electrically charged particles called __________.

When unstable isotopes decompose, they release __________ in the form of energy or atomic fragments.

Protons are the particles within an atom that determine the atom's bonding behavior.

The primary function of the type of lipid called __________ is to store energy for cellular activities.

Solution A has a pH of 6 and Solution B has a pH of 3. Which statement is correct?

Matter is anything that has weight and takes up space.

During an exchange reaction, the bonds of a reactant molecule break so that simpler molecules, atoms, or ions are formed.

The term is defined as the amount of matter, while the term refers to the gravitational pull on the matter.

What blood pH is associated with the condition called alkalosis?

The molecular formula for compounds like sodium chloride (NaCl) indicate the relative amounts of each element present.

Describe carbon dioxide.

What type of chemical bonds are, individually, relatively weak but, collectively, are strong enough to be responsible for the surface tension of water?

The term ____________ is defined as anything that has weight and takes up space.

What is meant by the denaturation of a protein?

An acid is defined as an electrolyte that releases hydroxide ions (OH ^-) in water.

Each whole number on the pH scale represents a __________-fold difference in hydrogen ion concentration.

Protons are located in the of an atom and they have an electrical charge that is .

Overall, the electrical charge of a nucleus of an atom is always __________.

An atom of oxygen has an atomic weight of 8. Its isotope with an atomic weight of 15 would have __________ neutrons in its nucleus.

The simplest examples of matter are the __________, each of which has specific chemical properties that differentiate them from all others.

Introduction to Human Anatomy and Physiology

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Pregnancy, Growth, Development, and Genetics

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestion and Nutrition

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Filters

Exam 2: Chemical Basis of Life

Atoms that lose or gain electrons become electrically charged particles called __________.

When unstable isotopes decompose, they release __________ in the form of energy or atomic fragments.

Protons are the particles within an atom that determine the atom's bonding behavior.

The primary function of the type of lipid called __________ is to store energy for cellular activities.

Solution A has a pH of 6 and Solution B has a pH of 3. Which statement is correct?

Matter is anything that has weight and takes up space.

During an exchange reaction, the bonds of a reactant molecule break so that simpler molecules, atoms, or ions are formed.

The term __________ is defined as the amount of matter, while the term __________ refers to the gravitational pull on the matter.

What blood pH is associated with the condition called alkalosis?

The molecular formula for compounds like sodium chloride (NaCl) indicate the relative amounts of each element present.

Describe carbon dioxide.

What type of chemical bonds are, individually, relatively weak but, collectively, are strong enough to be responsible for the surface tension of water?

The term ____________ is defined as anything that has weight and takes up space.

What is meant by the denaturation of a protein?

An acid is defined as an electrolyte that releases hydroxide ions (OH -) in water.

Each whole number on the pH scale represents a __________-fold difference in hydrogen ion concentration.

Protons are located in the __________ of an atom and they have an electrical charge that is __________.

Overall, the electrical charge of a nucleus of an atom is always __________.

An atom of oxygen has an atomic weight of 8. Its isotope with an atomic weight of 15 would have __________ neutrons in its nucleus.

The simplest examples of matter are the __________, each of which has specific chemical properties that differentiate them from all others.

Introduction to Human Anatomy and Physiology

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Pregnancy, Growth, Development, and Genetics

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestion and Nutrition

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Filters

The term is defined as the amount of matter, while the term refers to the gravitational pull on the matter.

An acid is defined as an electrolyte that releases hydroxide ions (OH ^-) in water.

Protons are located in the of an atom and they have an electrical charge that is .