Question 1

Which of the following contains sodium?

Accepted Answer

A)  H₂O 
B)  NaCl 
C)  N₂ 
D)  CH₄ 
E)  H₂SO₄ 
A)  H₂O 
B)  NaCl 
C)  N₂ 
D)  CH₄ 
E)  H₂SO₄ B

Question 2

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 A

Question 3

The four most common elements in the human body, in order of descending quantity, are hydrogen, carbon, oxygen, and nitrogen.

Accepted Answer

A) True 
 B)False  False

Question 4

What type of bond results when electrons are completely transferred from one atom to another?

Accepted Answer

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

Question 5

Which of the following elements is needed to make functional thyroid hormone?

Accepted Answer

A)  magnesium 
B)  iodine 
C)  iron 
D)  potassium 
E)  chlorine 
A)  magnesium 
B)  iodine 
C)  iron 
D)  potassium 
E)  chlorine

Question 6

The major function of potassium is to ________.

Accepted Answer

A)  serve as a salt in bones and teeth 
B)  play a role in nerve impulse transmissions and muscle contractions 
C)  make functional thyroid hormones 
D)  influence the pH of body fluids 
E)  exist as the most abundant extracellularcation 
A)  serve as a salt in bones and teeth 
B)  play a role in nerve impulse transmissions and muscle contractions 
C)  make functional thyroid hormones 
D)  influence the pH of body fluids 
E)  exist as the most abundant extracellularcation

Question 7

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 8

Glycogen and starch are examples of a specific category of carbohydrates called ________.

Accepted Answer

A)  monosaccharides 
B)  triglycerides 
C)  steroids 
D)  polysaccharides 
A)  monosaccharides 
B)  triglycerides 
C)  steroids 
D)  polysaccharides

Question 9

Unsaturated fatty acid chains contain one or more ________ bonds between carbon atoms.

Accepted Answer

A)  peptide 
B)  double 
C)  triple 
D)  monosaccharide 
A)  peptide 
B)  double 
C)  triple 
D)  monosaccharide

Question 10

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 11

The lower the pH, the greater the number of hydrogen ions released by a chemical into solution.

Accepted Answer

A) True 
 B)False

Question 12

The building blocks of proteins are ________.

Accepted Answer

A)  monosaccharides 
B)  nucleotides 
C)  amino acids 
D)  nucleic acids 
E)  fatty acids 
A)  monosaccharides 
B)  nucleotides 
C)  amino acids 
D)  nucleic acids 
E)  fatty acids

Question 13

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 14

Which molecule stores more energy: glucose or glycogen? Explain

Accepted Answer

Glucose is a monosaccharide while glycog

Question 15

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 16

Match the following:
-Digestion of food

Accepted Answer

A) Decomposition reaction 
B) Exchange reaction 
C) Synthesis reaction 
A) Decomposition reaction 
B) Exchange reaction 
C) Synthesis reaction

Question 17

Using Figure 2.1, identify the following:
-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 18

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

Accepted Answer

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

Question 19

Describe the difference between a polar and a nonpolar covalent bond. Give and explain an example of each type of bond.

Accepted Answer

1. In polar covalent bonds, electrons ar

Question 20

Acids are defined as proton donors since they release hydrogen ions.

Accepted Answer

A) True 
 B)False

Which of the following contains sodium?

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

The four most common elements in the human body, in order of descending quantity, are hydrogen, carbon, oxygen, and nitrogen.

What type of bond results when electrons are completely transferred from one atom to another?

Which of the following elements is needed to make functional thyroid hormone?

The major function of potassium is to ________.

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

Glycogen and starch are examples of a specific category of carbohydrates called ________.

Unsaturated fatty acid chains contain one or more ________ bonds between carbon atoms.

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

The lower the pH, the greater the number of hydrogen ions released by a chemical into solution.

The building blocks of proteins are ________.

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

Which molecule stores more energy: glucose or glycogen? Explain

Which carbohydrate is also known as blood sugar?

Match the following: -Digestion of food

Using Figure 2.1, identify the following: -Which letter represents a globular protein in its quaternary structure?

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

Describe the difference between a polar and a nonpolar covalent bond. Give and explain an example of each type of bond.

Acids are defined as proton donors since they release hydrogen ions.

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 Respiratory System

The Digestive System and Body Metabolism

The Urinary System

The Reproductive System

Filters

Exam 2: Basic Chemistry

Which of the following contains sodium?

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

The four most common elements in the human body, in order of descending quantity, are hydrogen, carbon, oxygen, and nitrogen.

What type of bond results when electrons are completely transferred from one atom to another?

Which of the following elements is needed to make functional thyroid hormone?

The major function of potassium is to ________.

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

Glycogen and starch are examples of a specific category of carbohydrates called ________.

Unsaturated fatty acid chains contain one or more ________ bonds between carbon atoms.

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

The lower the pH, the greater the number of hydrogen ions released by a chemical into solution.

The building blocks of proteins are ________.

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

Which molecule stores more energy: glucose or glycogen? Explain

Which carbohydrate is also known as blood sugar?

Match the following: -Digestion of food

Using Figure 2.1, identify the following: -Which letter represents a globular protein in its quaternary structure?

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

Describe the difference between a polar and a nonpolar covalent bond. Give and explain an example of each type of bond.

Acids are defined as proton donors since they release hydrogen ions.

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 Respiratory System

The Digestive System and Body Metabolism

The Urinary System

The Reproductive System

Filters