Question 1

Phospholipids are important molecules in the cell membrane.

Accepted Answer

A) True 
 B)False

Question 2

Match each term with its corresponding description or definition.
-a molecule that contains more than one type of atom

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 3

The process of hydrolysis has water as one of its end products.

Accepted Answer

A) True 
 B)False

Question 4

A solution with a pH of 2 has 10 times the number of H? ions than a solution with a pH of 3.

Accepted Answer

A) True 
 B)False

Question 5

Matter is anything that occupies space and has mass.

Accepted Answer

A) True 
 B)False

Question 6

When a covalent compound is put into water,it dissociates into ions.

Accepted Answer

A) True 
 B)False

Question 7

The two subatomic particles found in the nucleus of the atom are protons and neutrons.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

Match each term with its corresponding description or definition.
-equal to the number of protons and neutrons in an atom

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

Ionic bonds result from atoms sharing electrons.

Accepted Answer

A) True 
 B)False

Question 11

Covalent bonds are formed when atoms share electrons.

Accepted Answer

A) True 
 B)False

Question 12

Explain the relationship among H+ ion concentration,OH- ion concentration,and pH.

Accepted Answer

The input question seems to be referring

Question 13

MATCHING
Match each part of the atom with its corresponding description.
-part of the atom that when combined with the proton gives the atom its atomic mass

Accepted Answer

A) protons 
B) neutrons 
C) electrons 
D) both protons and neutrons 
A) protons 
B) neutrons 
C) electrons 
D) both protons and neutrons

Question 14

Which substance is found only in DNA?

Accepted Answer

A)  adenine 
B)  guanine 
C)  thymine 
D)  cytosine 
A)  adenine 
B)  guanine 
C)  thymine 
D)  cytosine

Question 15

A solution with a pH of 5 has more H+ ions than a solution with a pH of 7.

Accepted Answer

A) True 
 B)False

Question 16

Explain how a covalent bond forms.

Accepted Answer

A covalent bond forms when two atoms sha

Question 17

Glycogen and starch are both examples of polysaccharides.

Accepted Answer

A) True 
 B)False

Question 18

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

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 19

The number of electrons in the outer energy level of an atom determines how it behaves chemically.

Accepted Answer

A) True 
 B)False

Question 20

Phospholipids

Accepted Answer

A)  contain glycerol 
B)  contain two fatty acids 
C)  contain three fatty acids 
D)  are steroid lipids 
A)  contain glycerol 
B)  contain two fatty acids 
C)  contain three fatty acids 
D)  are steroid lipids

Exam 2: Chemistry of Life

Phospholipids are important molecules in the cell membrane.

Match each term with its corresponding description or definition. -a molecule that contains more than one type of atom

The process of hydrolysis has water as one of its end products.

A solution with a pH of 2 has 10 times the number of H? ions than a solution with a pH of 3.

Matter is anything that occupies space and has mass.

When a covalent compound is put into water,it dissociates into ions.

The two subatomic particles found in the nucleus of the atom are protons and neutrons.

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

Match each term with its corresponding description or definition. -equal to the number of protons and neutrons in an atom

Ionic bonds result from atoms sharing electrons.

Covalent bonds are formed when atoms share electrons.

Explain the relationship among H+ ion concentration,OH- ion concentration,and pH.

MATCHING Match each part of the atom with its corresponding description. -part of the atom that when combined with the proton gives the atom its atomic mass

Which substance is found only in DNA?

A solution with a pH of 5 has more H+ ions than a solution with a pH of 7.

Explain how a covalent bond forms.

Glycogen and starch are both examples of polysaccharides.

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

The number of electrons in the outer energy level of an atom determines how it behaves chemically.

Phospholipids

An Introduction to the Structure and Function of the Body

Cells

Tissues

Organ Systems of the Body

Mechanisms of Disease

The Integumentary System and Body Membranes

The Skeletal System

The Muscular System

The Nervous System

The Senses

The Endocrine System

Blood

The Heart

The Circulation of the Blood

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

The Reproductive Systems

Growth and Development

Genetics and Genetic Diseases

Filters

Explain the relationship among H⁺ ion concentration,OH^- ion concentration,and pH.

A solution with a pH of 5 has more H⁺ ions than a solution with a pH of 7.