Question 1

The electrolyte most often formed by magnesium (Mg)is Mg++ This shows that the ion has two more electrons than protons.

Accepted Answer

A) True 
 B)False  False

Question 2

The basic building blocks of protein are held together by peptide bonds.

Accepted Answer

A) True 
 B)False  True

Question 3

Water is the most abundant organic compound in the body.

Accepted Answer

A) True 
 B)False  False

Question 4

The basic building blocks of nucleic acids are nucleotides.

Accepted Answer

A) True 
 B)False

Question 5

Both cholesterol and phospholipids are involved in the structure of the cell membrane.

Accepted Answer

A) True 
 B)False

Question 6

Triglycerides

Accepted Answer

A)  are steroid lipids 
B)  have a phosphorus-containing unit on one end 
C)  have two fatty acids 
D)  have three fatty acids 
A)  are steroid lipids 
B)  have a phosphorus-containing unit on one end 
C)  have two fatty acids 
D)  have three fatty acids

Question 7

The smallest unit of matter is the electron.

Accepted Answer

A) True 
 B)False

Question 8

Match each term with its corresponding description or definition.
-molecules that form ions when dissolved in water

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 9

A solution with a pH of 8 has more H+ ions than a solution with a pH of 4.

Accepted Answer

A) True 
 B)False

Question 10

Sucrose is an example of a disaccharide.

Accepted Answer

A) True 
 B)False

Question 11

Cholesterol

Accepted Answer

A)  contains three fatty acids 
B)  contains two fatty acids 
C)  is a steroid lipid 
D)  contains glycerol 
A)  contains three fatty acids 
B)  contains two fatty acids 
C)  is a steroid lipid 
D)  contains glycerol

Question 12

Match each term with its corresponding description or definition.
-bond formed by the attraction of atoms or molecules that have opposite charges

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 13

The process of hydrolysis

Accepted Answer

A)  uses water to turn large molecules into smaller ones 
B)  removes a molecule of water from the reactants 
C)  converts smaller molecules into larger molecules by removing water 
D)  both B and C 
A)  uses water to turn large molecules into smaller ones 
B)  removes a molecule of water from the reactants 
C)  converts smaller molecules into larger molecules by removing water 
D)  both B and C

Question 14

Enzymes are functional proteins that act as chemical catalysts.

Accepted Answer

A) True 
 B)False

Question 15

The atomic number of an atom is the number of

Accepted Answer

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

Question 16

The end product of a reaction between a strong acid and a strong base is

Accepted Answer

A)  water 
B)  a salt 
C)  a weak acid and a weak base 
D)  both A and B 
A)  water 
B)  a salt 
C)  a weak acid and a weak base 
D)  both A and B

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

Explain the structure of a nucleic acid and list the differences between RNA and DNA.

Accepted Answer

The answer of Explain the structure of a nucleic acid...

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Match each term with its corresponding description or definition.
-process by which water is used to make smaller molecules form larger molecules

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

Exam 2: Chemistry of Life

The electrolyte most often formed by magnesium (Mg)is Mg++ This shows that the ion has two more electrons than protons.

The basic building blocks of protein are held together by peptide bonds.

Water is the most abundant organic compound in the body.

The basic building blocks of nucleic acids are nucleotides.

Both cholesterol and phospholipids are involved in the structure of the cell membrane.

Triglycerides

The smallest unit of matter is the electron.

Match each term with its corresponding description or definition. -molecules that form ions when dissolved in water

A solution with a pH of 8 has more H+ ions than a solution with a pH of 4.

Sucrose is an example of a disaccharide.

Cholesterol

Match each term with its corresponding description or definition. -bond formed by the attraction of atoms or molecules that have opposite charges

The process of hydrolysis

Enzymes are functional proteins that act as chemical catalysts.

The atomic number of an atom is the number of

The end product of a reaction between a strong acid and a strong base is

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

Explain the structure of a nucleic acid and list the differences between RNA and DNA.

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

Match each term with its corresponding description or definition. -process by which water is used to make smaller molecules form larger molecules

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

The electrolyte most often formed by magnesium (Mg)is Mg⁺⁺ This shows that the ion has two more electrons than protons.

A solution with a pH of 8 has more H⁺ ions than a solution with a pH of 4.