Question 1

Which of the following is classified as a protein?

Accepted Answer

A)  cholesterol 
B)  enzyme 
C)  glucose 
D)  triglyceride 
E)  RNA 
A)  cholesterol 
B)  enzyme 
C)  glucose 
D)  triglyceride 
E)  RNA

Question 2

Match the following:
-Building block is the monosaccharide

Accepted Answer

A) fibrous proteins 
B) globular proteins 
C) amino acids 
D) lipids 
E) carbohydrates
F)nucleic acids 
A) fibrous proteins 
B) globular proteins 
C) amino acids 
D) lipids 
E) carbohydrates
F)nucleic acids

Question 3

Polar molecules, like water, result when electrons are shared ________.

Accepted Answer

A)  unequally between atoms 
B)  between ions 
C)  equally between atoms 
D)  or transferred between atoms 
A)  unequally between atoms 
B)  between ions 
C)  equally between atoms 
D)  or transferred between atoms

Question 4

Match the following:
-Along with protons, these subatomic particles are situated in the nucleus of an atom.

Accepted Answer

A) Proton 
B) Neutron 
C) Electron 
A) Proton 
B) Neutron 
C) Electron

Question 5

The atomic number of an atom is equal to the number of ________ an atom contains.

Accepted Answer

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

Question 6

Which property of water explains its ability to prevent sudden changes in body temperature?

Accepted Answer

A)  cushioning 
B)  chemical reactant 
C)  polarity 
D)  high heat capacity 
A)  cushioning 
B)  chemical reactant 
C)  polarity 
D)  high heat capacity

Question 7

A chemist experiments on a molecule with the formula of C₅H₁₀O₅. This compound is likely a(n) ________.

Accepted Answer

A)  protein 
B)  triglyceride 
C)  enzyme 
D)  carbohydrate 
E)  nucleotide 
A)  protein 
B)  triglyceride 
C)  enzyme 
D)  carbohydrate 
E)  nucleotide

Question 8

Match the following:
-Ionic bonds are formed when these subatomic particles are completely transferred from one atom to another atom.

Accepted Answer

A) Proton 
B) Neutron 
C) Electron 
A) Proton 
B) Neutron 
C) Electron

Question 9

What is the atomic number of the atom in Figure 2.2?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  6 
E)  12 
A)  2 
B)  3 
C)  4 
D)  6 
E)  12

Question 10

Neutralization reactions that occur between an acid and a base are a type of exchange reaction.

Accepted Answer

A) True 
 B)False

Question 11

Amino acids are the building blocks for proteins.

Accepted Answer

A) True 
 B)False

Question 12

Which carbohydrate is also known as blood sugar?

Accepted Answer

A)  sucrose 
B)  glucose 
C)  ribose 
D)  deoxyribose 
E)  cellulose 
A)  sucrose 
B)  glucose 
C)  ribose 
D)  deoxyribose 
E)  cellulose

Question 13

Inorganic compounds lack carbon and tend to be small, simple molecules.

Accepted Answer

A) True 
 B)False

Question 14

-Which letter represents a globular protein in its quaternary structure?

Accepted Answer

A)  Label A 
B)  Label B 
C)  Label C 
D)  Label D 
E)  Label E 
A)  Label A 
B)  Label B 
C)  Label C 
D)  Label D 
E)  Label E

Question 15

Blood pH falls in a narrow range between ________.

Accepted Answer

A)  7.0 to 8.0 
B)  6.0 to 8.0 
C)  7.35 to 7.45 
D)  7.15 to 7.25 
E)  7.65 to 7.85 
A)  7.0 to 8.0 
B)  6.0 to 8.0 
C)  7.35 to 7.45 
D)  7.15 to 7.25 
E)  7.65 to 7.85

Question 16

In order to break a disaccharide down into simple sugar units, ________.

Accepted Answer

A)  water molecules must be added to each bond 
B)  water molecules must be removed from each bond 
C)  carbon atoms must be added to each bond 
D)  carbon atoms must be removed from each bond 
E)  water molecules and carbon atoms must be removed from each bond 
A)  water molecules must be added to each bond 
B)  water molecules must be removed from each bond 
C)  carbon atoms must be added to each bond 
D)  carbon atoms must be removed from each bond 
E)  water molecules and carbon atoms must be removed from each bond

Question 17

An atom has 6 protons, 8 neutrons, and 6 electrons. Its atomic mass number is ________.

Accepted Answer

A)  2 
B)  6 
C)  8 
D)  14 
E)  20 
A)  2 
B)  6 
C)  8 
D)  14 
E)  20

Question 18

Elements are composed of building blocks known as ________.

Accepted Answer

A)  molecules 
B)  atoms 
C)  compounds 
D)  polymers 
E)  protons 
A)  molecules 
B)  atoms 
C)  compounds 
D)  polymers 
E)  protons

Question 19

The nucleotide chains of DNA are held together by ________.

Accepted Answer

A)  carbon bonds 
B)  hydrogen bonds 
C)  ionic bonds 
D)  nonpolar covalent bonds 
E)  polar covalent bonds 
A)  carbon bonds 
B)  hydrogen bonds 
C)  ionic bonds 
D)  nonpolar covalent bonds 
E)  polar covalent bonds

Question 20

A molecule with the sequence of AUCGUCA should be categorized as ________.

Accepted Answer

A)  ATP 
B)  an enzyme 
C)  RNA 
D)  DNA 
E)  a triglyceride 
A)  ATP 
B)  an enzyme 
C)  RNA 
D)  DNA 
E)  a triglyceride

Which of the following is classified as a protein?

Match the following: -Building block is the monosaccharide

Polar molecules, like water, result when electrons are shared ________.

Match the following: -Along with protons, these subatomic particles are situated in the nucleus of an atom.

The atomic number of an atom is equal to the number of ________ an atom contains.

Which property of water explains its ability to prevent sudden changes in body temperature?

A chemist experiments on a molecule with the formula of C₅H₁₀O₅. This compound is likely a(n) ________.

Match the following: -Ionic bonds are formed when these subatomic particles are completely transferred from one atom to another atom.

What is the atomic number of the atom in Figure 2.2?

Neutralization reactions that occur between an acid and a base are a type of exchange reaction.

Amino acids are the building blocks for proteins.

Which carbohydrate is also known as blood sugar?

Inorganic compounds lack carbon and tend to be small, simple molecules.

-Which letter represents a globular protein in its quaternary structure?

Blood pH falls in a narrow range between ________.

In order to break a disaccharide down into simple sugar units, ________.

An atom has 6 protons, 8 neutrons, and 6 electrons. Its atomic mass number is ________.

Elements are composed of building blocks known as ________.

The nucleotide chains of DNA are held together by ________.

A molecule with the sequence of AUCGUCA should be categorized as ________.

The Human Body: An Orientation

Cells and Tissues

Skin and Body Membranes

The Skeletal System

The Muscular System

The Nervous System

Special Senses

The Endocrine System

Blood

The Cardiovascular System

The Lymphatic System and Body Defenses

The Respiratory System

The Digestive System and Body Metabolism

The Urinary System

The Reproductive System

Filters

Exam 2: Basic Chemistry

Which of the following is classified as a protein?

Match the following: -Building block is the monosaccharide

Polar molecules, like water, result when electrons are shared ________.

Match the following: -Along with protons, these subatomic particles are situated in the nucleus of an atom.

The atomic number of an atom is equal to the number of ________ an atom contains.

Which property of water explains its ability to prevent sudden changes in body temperature?

A chemist experiments on a molecule with the formula of C₅H₁₀O₅. This compound is likely a(n) ________.

Match the following: -Ionic bonds are formed when these subatomic particles are completely transferred from one atom to another atom.

What is the atomic number of the atom in Figure 2.2?

Neutralization reactions that occur between an acid and a base are a type of exchange reaction.

Amino acids are the building blocks for proteins.

Which carbohydrate is also known as blood sugar?

Inorganic compounds lack carbon and tend to be small, simple molecules.

-Which letter represents a globular protein in its quaternary structure?

Blood pH falls in a narrow range between ________.

In order to break a disaccharide down into simple sugar units, ________.

An atom has 6 protons, 8 neutrons, and 6 electrons. Its atomic mass number is ________.

Elements are composed of building blocks known as ________.

The nucleotide chains of DNA are held together by ________.

A molecule with the sequence of AUCGUCA should be categorized as ________.

The Human Body: An Orientation

Cells and Tissues

Skin and Body Membranes

The Skeletal System

The Muscular System

The Nervous System

Special Senses

The Endocrine System

Blood

The Cardiovascular System

The Lymphatic System and Body Defenses

The Respiratory System

The Digestive System and Body Metabolism

The Urinary System

The Reproductive System

Filters