Question 1

When an ionic compound is put into water, it dissociates into ions.

Accepted Answer

A) True 
 B)False

Question 2

Explain the processes of dehydration synthesis and hydrolysis.

Accepted Answer

Dehydration synthesis and hydrolysis are

Question 3

The closer an orbital is to the nucleus of an atom, the higher its energy level.

Accepted Answer

A) True 
 B)False

Question 4

DNA and RNA molecules are identical except that DNA contains thymine and RNA contains uracil.

Accepted Answer

A) True 
 B)False

Question 5

Explain how a covalent bond forms.

Accepted Answer

A covalent bond forms when two atoms sha

Question 6

Match each term with its corresponding description or definition.
-Bond formed when oppositely charged atoms are attracted to one another

Accepted Answer

A) Nucleus 
B) Ionic bond 
C) Atomic mass 
D) Compound 
E) Electrolyte
F)Atomic number
G)Covalent bonds
H)Orbitals
I)Hydrolysis
J)Dehydration synthesis
K)Acid
L)Base 
A) Nucleus 
B) Ionic bond 
C) Atomic mass 
D) Compound 
E) Electrolyte
F)Atomic number
G)Covalent bonds
H)Orbitals
I)Hydrolysis
J)Dehydration synthesis
K)Acid
L)Base

Question 7

The atomic mass of an atom is the number of

Accepted Answer

A)  protons. 
B)  neutrons. 
C)  electrons. 
D)  sum of A and B. 
A)  protons. 
B)  neutrons. 
C)  electrons. 
D)  sum of A and B.

Question 8

The process of dehydration synthesis could be used to convert a monosaccharide into a disaccharide.

Accepted Answer

A) True 
 B)False

Question 9

Match each term with its corresponding description or definition.
-Part of the atom in which electrons are found

Accepted Answer

A) Nucleus 
B) Ionic bond 
C) Atomic mass 
D) Compound 
E) Electrolyte
F)Atomic number
G)Covalent bonds
H)Orbitals
I)Hydrolysis
J)Dehydration synthesis
K)Acid
L)Base 
A) Nucleus 
B) Ionic bond 
C) Atomic mass 
D) Compound 
E) Electrolyte
F)Atomic number
G)Covalent bonds
H)Orbitals
I)Hydrolysis
J)Dehydration synthesis
K)Acid
L)Base

Question 10

Which subatomic particle is found in the nucleus?

Accepted Answer

A)  Proton 
B)  Neutron 
C)  Electron 
D)  Both A and B 
A)  Proton 
B)  Neutron 
C)  Electron 
D)  Both A and B

Question 11

Water is the most abundant organic compound in the body.

Accepted Answer

A) True 
 B)False

Question 12

The lock-and-key model describes how two strands of DNA are able to join so precisely to form a double helix.

Accepted Answer

A) True 
 B)False

Question 13

Acids have

Accepted Answer

A)  a pH less than 7. 
B)  more H+ ions than OHS1U1P1-S1S1P0 ions. 
C)  more OHS1U1P1-S1S1P0 than H+ ions. 
D)  both A and B. 
A)  a pH less than 7. 
B)  more H+ ions than OHS1U1P1-S1S1P0 ions. 
C)  more OHS1U1P1-S1S1P0 than H+ ions. 
D)  both A and B.

Question 14

The basic building blocks of nucleic acids are nucleotides.

Accepted Answer

A) True 
 B)False

Question 15

Matter is anything that occupies space and has mass.

Accepted Answer

A) True 
 B)False

Question 16

The process of dehydration synthesis has water as one of its end products.

Accepted Answer

A) True 
 B)False

Question 17

Match each organic compound with its corresponding description.
-Nucleic acid that contains the nitrogen base thymine

Accepted Answer

A) Carbohydrates 
B) Triglycerides 
C) Phospholipids 
D) Cholesterol 
E) Proteins
F)RNA
G)DNA 
A) Carbohydrates 
B) Triglycerides 
C) Phospholipids 
D) Cholesterol 
E) Proteins
F)RNA
G)DNA

Question 18

Describe the structures of carbohydrates, and explain their use in the body.

Accepted Answer

Carbohydrates are organic compounds made

Question 19

A weak acid almost completely dissociates in water.

Accepted Answer

A) True 
 B)False

Question 20

The mass of an atom is determined by the total number of protons and electrons.

Accepted Answer

A) True 
 B)False

Exam 2: Chemistry of Life

When an ionic compound is put into water, it dissociates into ions.

Explain the processes of dehydration synthesis and hydrolysis.

The closer an orbital is to the nucleus of an atom, the higher its energy level.

DNA and RNA molecules are identical except that DNA contains thymine and RNA contains uracil.

Explain how a covalent bond forms.

Match each term with its corresponding description or definition. -Bond formed when oppositely charged atoms are attracted to one another

The atomic mass of an atom is the number of

The process of dehydration synthesis could be used to convert a monosaccharide into a disaccharide.

Match each term with its corresponding description or definition. -Part of the atom in which electrons are found

Which subatomic particle is found in the nucleus?

Water is the most abundant organic compound in the body.

The lock-and-key model describes how two strands of DNA are able to join so precisely to form a double helix.

Acids have

The basic building blocks of nucleic acids are nucleotides.

Matter is anything that occupies space and has mass.

The process of dehydration synthesis has water as one of its end products.

Match each organic compound with its corresponding description. -Nucleic acid that contains the nitrogen base thymine

Describe the structures of carbohydrates, and explain their use in the body.

A weak acid almost completely dissociates in water.

The mass of an atom is determined by the total number of protons and electrons.

Introduction to the Body

Cells

Tissues

Organ Systems

Mechanisms of Disease

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

Growth, Development, and Aging

Genetics and Genetic Diseases

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