Question 1

Which of the following is found in orbitals surrounding the nucleus of the atom?

Accepted Answer

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

Question 2

Match the term with the definition or explanation.
-This is a lipid that is used in the making of a number of hormones in the body.

Accepted Answer

A) Glucose 
B) Enzyme 
C) Triglyceride 
D) Glycogen 
E) Cholesterol
F)Adenosine triphosphate
G)RNA
H)Phospholipids
I)Collagen
J)DNA 
A) Glucose 
B) Enzyme 
C) Triglyceride 
D) Glycogen 
E) Cholesterol
F)Adenosine triphosphate
G)RNA
H)Phospholipids
I)Collagen
J)DNA

Question 3

Neutrons contribute to the atomic mass of the atom.

Accepted Answer

A) True 
 B)False

Question 4

The proton of an atom is found in the nucleus.

Accepted Answer

A) True 
 B)False

Question 5

Match the term with the definition or explanation.
-This is an example of a structural protein.

Accepted Answer

A) Glucose 
B) Enzyme 
C) Triglyceride 
D) Glycogen 
E) Cholesterol
F)Adenosine triphosphate
G)RNA
H)Phospholipids
I)Collagen
J)DNA 
A) Glucose 
B) Enzyme 
C) Triglyceride 
D) Glycogen 
E) Cholesterol
F)Adenosine triphosphate
G)RNA
H)Phospholipids
I)Collagen
J)DNA

Question 6

Which of the following is found in the nucleus of the atom?

Accepted Answer

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

Question 7

The number of electrons plus the number of protons is equal to the atomic number of an atom.

Accepted Answer

A) True 
 B)False

Question 8

In an atom,each orbital can hold

Accepted Answer

A)  one electron 
B)  two electrons 
C)  eight electrons 
D)  hydrogen can hold two and the rest of the atoms can hold eight 
A)  one electron 
B)  two electrons 
C)  eight electrons 
D)  hydrogen can hold two and the rest of the atoms can hold eight

Question 9

Match the term with its definition or explanation.
-The number of protons in an atom

Accepted Answer

A) Proton 
B) Electron 
C) Neutron 
D) Atomic mass 
E) Atomic number
F)Element
G)Compound
H)Hydrolysis
I)Acid
J)Base
K)Covalent bond
L)Ionic bond
M)Water
N)Buffer
O)Electrolytes
P)Dehydration synthesis 
A) Proton 
B) Electron 
C) Neutron 
D) Atomic mass 
E) Atomic number
F)Element
G)Compound
H)Hydrolysis
I)Acid
J)Base
K)Covalent bond
L)Ionic bond
M)Water
N)Buffer
O)Electrolytes
P)Dehydration synthesis

Question 10

The only group of organic compounds that contains sugar is the carbohydrates.

Accepted Answer

A) True 
 B)False

Question 11

This subatomic particle is found in the nucleus of the atom.

Accepted Answer

A)  Electron 
B)  Neutron 
C)  Proton 
D)  Both b and c above 
A)  Electron 
B)  Neutron 
C)  Proton 
D)  Both b and c above

Question 12

A particular atom has 16 protons,17 neutrons,and 16 electrons.The atomic number of this atom is

Accepted Answer

A)  49 
B)  32 
C)  33 
D)  16 
A)  49 
B)  32 
C)  33 
D)  16

Question 13

This is a way the body can remove excess H⁺ ions from the body

Accepted Answer

A)  excreting them in the urine 
B)  exhaling CO₂ from the lungs 
C)  using a buffer 
D)  all of the above can remove H⁺ ions from the blood 
A)  excreting them in the urine 
B)  exhaling CO₂ from the lungs 
C)  using a buffer 
D)  all of the above can remove H⁺ ions from the blood

Question 14

Which of the following is not true of enzymes?

Accepted Answer

A)  They function on the lock and key model. 
B)  They are functional proteins. 
C)  They are catalysts. 
D)  All of the above are true of enzymes. 
A)  They function on the lock and key model. 
B)  They are functional proteins. 
C)  They are catalysts. 
D)  All of the above are true of enzymes.

Question 15

This is not a characteristic of a proton:

Accepted Answer

A)  contributes to the atom's atomic number 
B)  contributes to the atom's atomic mass 
C)  is located in the nucleus of the atom 
D)  carries a negative electrical charge 
A)  contributes to the atom's atomic number 
B)  contributes to the atom's atomic mass 
C)  is located in the nucleus of the atom 
D)  carries a negative electrical charge

Question 16

Covalent bonds dissociate into ions when dissolved in water.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is a lipid that can be found along with cholesterol in the cell membrane?

Accepted Answer

A)  Triglycerides 
B)  Phospholipids 
C)  Both a and b above 
D)  Neither a nor b above 
A)  Triglycerides 
B)  Phospholipids 
C)  Both a and b above 
D)  Neither a nor b above

Question 18

HDL is sometimes called the "bad" cholesterol.

Accepted Answer

A) True 
 B)False

Question 19

Match the term with the definition or explanation.
-This is the monosaccharide that the body prefers for its source of energy.

Accepted Answer

A) Glucose 
B) Enzyme 
C) Triglyceride 
D) Glycogen 
E) Cholesterol
F)Adenosine triphosphate
G)RNA
H)Phospholipids
I)Collagen
J)DNA 
A) Glucose 
B) Enzyme 
C) Triglyceride 
D) Glycogen 
E) Cholesterol
F)Adenosine triphosphate
G)RNA
H)Phospholipids
I)Collagen
J)DNA

Question 20

All orbitals of an atom can hold two electrons.

Accepted Answer

A) True 
 B)False

Exam 2: Chemistry of Life

Which of the following is found in orbitals surrounding the nucleus of the atom?

Match the term with the definition or explanation. -This is a lipid that is used in the making of a number of hormones in the body.

Neutrons contribute to the atomic mass of the atom.

The proton of an atom is found in the nucleus.

Match the term with the definition or explanation. -This is an example of a structural protein.

Which of the following is found in the nucleus of the atom?

The number of electrons plus the number of protons is equal to the atomic number of an atom.

In an atom,each orbital can hold

Match the term with its definition or explanation. -The number of protons in an atom

The only group of organic compounds that contains sugar is the carbohydrates.

This subatomic particle is found in the nucleus of the atom.

A particular atom has 16 protons,17 neutrons,and 16 electrons.The atomic number of this atom is

This is a way the body can remove excess H⁺ ions from the body

Which of the following is not true of enzymes?

This is not a characteristic of a proton:

Covalent bonds dissociate into ions when dissolved in water.

Which of the following is a lipid that can be found along with cholesterol in the cell membrane?

HDL is sometimes called the "bad" cholesterol.

Match the term with the definition or explanation. -This is the monosaccharide that the body prefers for its source of energy.

All orbitals of an atom can hold two electrons.

Introduction to the Body

Cells

Tissues

Organ Systems

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

Growth and Development

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