Question 1

Chemical properties are determined primarily by neutrons.

Accepted Answer

A) True 
 B)False

Question 2

In general,the lipids that we refer to as oils have ________.

Accepted Answer

A)  long fatty acid chains 
B)  a high water content 
C)  unsaturated fatty acids 
D)  saturated fatty acids 
A)  long fatty acid chains 
B)  a high water content 
C)  unsaturated fatty acids 
D)  saturated fatty acids

Question 3

A chemical bond is an energy relationship between outer electrons and neighboring atoms.

Accepted Answer

A) True 
 B)False

Question 4

A patient is hyperventilating.The "blowing off" of excessive carbon dioxide causes a decrease in blood H+ concentration.How can the carbonic acid-bicarbonate buffer system function to correct this imbalance? 
CO2 + H2O ? H2CO3 ? H+ + HCO3-

Accepted Answer

A)  HCO3- binds with H+ to form H2CO3 and lower pH 
B)  HCO3- binds with H+ to form H2CO3 and raise pH 
C)  H2CO3 dissociates to form more H+ and lower pH 
D)  H2CO3 dissociates to form more H+ and raise pH 
A)  HCO3- binds with H+ to form H2CO3 and lower pH 
B)  HCO3- binds with H+ to form H2CO3 and raise pH 
C)  H2CO3 dissociates to form more H+ and lower pH 
D)  H2CO3 dissociates to form more H+ and raise pH

Question 5

The chemical symbol O=O means ________.

Accepted Answer

A)  the atoms are double bonded 
B)  both atoms are bonded and have zero electrons in the outer orbit 
C)  zero equals zero 
D)  this is an ionic bond with two shared electrons 
A)  the atoms are double bonded 
B)  both atoms are bonded and have zero electrons in the outer orbit 
C)  zero equals zero 
D)  this is an ionic bond with two shared electrons

Question 6

If atom X has an atomic number of 74 it would have which of the following?

Accepted Answer

A)  37 protons and 37 neutrons 
B)  37 protons and 37 electrons 
C)  37 electrons 
D)  74 protons 
A)  37 protons and 37 neutrons 
B)  37 protons and 37 electrons 
C)  37 electrons 
D)  74 protons

Question 7

Figure 2.1
Using Figure 2.1, match the following:
-Monosaccharide.

Accepted Answer

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

Question 8

When DNA is replicated,it is necessary for the two strands to "unzip" temporarily.Choose which bonding type is most appropriate for holding the strands together in this way.

Accepted Answer

A)  non-polar covalent bonding 
B)  hydrogen bonding 
C)  ionic bonding 
D)  polar covalent bonding 
A)  non-polar covalent bonding 
B)  hydrogen bonding 
C)  ionic bonding 
D)  polar covalent bonding

Question 9

Which of the following does NOT characterize proteins?

Accepted Answer

A)  Their function depends on their three-dimensional shape. 
B)  They may be denatured or coagulated by heat or acidity. 
C)  They appear to be the molecular carriers of coded hereditary information. 
D)  They have both functional and structural roles in the body. 
A)  Their function depends on their three-dimensional shape. 
B)  They may be denatured or coagulated by heat or acidity. 
C)  They appear to be the molecular carriers of coded hereditary information. 
D)  They have both functional and structural roles in the body.

Question 10

It is the difference in the R group that makes each amino acid chemically unique.

Accepted Answer

A) True 
 B)False

Question 11

An amino acid may act as a proton acceptor or donor.Explain.

Accepted Answer

Amino acids have two component

Question 12

Match the following:
-When the bonds of ATP are broken,energy is released to do cellular work.

Accepted Answer

A) Mechanical energy 
B) Chemical energy 
C) Electrical energy 
D) Radiant energy 
A) Mechanical energy 
B) Chemical energy 
C) Electrical energy 
D) Radiant energy

Question 13

A dipeptide can be broken into two amino acids by dehydration synthesis.

Accepted Answer

A) True 
 B)False

Question 14

Amino acids joining together to make a peptide is a good example of a(n)________ reaction.

Accepted Answer

A)  decomposition 
B)  reversible 
C)  synthesis 
D)  exchange 
A)  decomposition 
B)  reversible 
C)  synthesis 
D)  exchange

Question 15

Match the following:
-Carbon.

Accepted Answer

A) Compound 
B) Mixture 
C) Element 
A) Compound 
B) Mixture 
C) Element

Question 16

Select the correct statement about isotopes.

Accepted Answer

A)  All the isotopes of an element have the same number of neutrons but differing numbers of electrons. 
B)  Isotopes of the same element have the same atomic number but differ in their mass number. 
C)  All the isotopes of an element are radioactive. 
D)  Isotopes occur only in the heavier elements. 
A)  All the isotopes of an element have the same number of neutrons but differing numbers of electrons. 
B)  Isotopes of the same element have the same atomic number but differ in their mass number. 
C)  All the isotopes of an element are radioactive. 
D)  Isotopes occur only in the heavier elements.

Question 17

Figure 2.2
Using Figure 2.2, match the following:
-Deoxyribose sugar.

Accepted Answer

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

Question 18

Figure 2.1
Using Figure 2.1, match the following:
-Polymer.

Accepted Answer

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

Question 19

Describe the factors that affect chemical reaction rates.

Accepted Answer

Temperature increases kinetic energy and

Question 20

Match the following:
-Number of protons in an atom.

Accepted Answer

A) Atomic symbol 
B) Mass number of an element 
C) Atomic number 
A) Atomic symbol 
B) Mass number of an element 
C) Atomic number

Exam 2: Chemistry Comes Alive

Chemical properties are determined primarily by neutrons.

In general,the lipids that we refer to as oils have ________.

A chemical bond is an energy relationship between outer electrons and neighboring atoms.

A patient is hyperventilating.The "blowing off" of excessive carbon dioxide causes a decrease in blood H+ concentration.How can the carbonic acid-bicarbonate buffer system function to correct this imbalance? CO2 + H2O ? H2CO3 ? H+ + HCO3-

The chemical symbol O=O means ________.

If atom X has an atomic number of 74 it would have which of the following?

Figure 2.1 Using Figure 2.1, match the following: -Monosaccharide.

When DNA is replicated,it is necessary for the two strands to "unzip" temporarily.Choose which bonding type is most appropriate for holding the strands together in this way.

Which of the following does NOT characterize proteins?

It is the difference in the R group that makes each amino acid chemically unique.

An amino acid may act as a proton acceptor or donor.Explain.

Match the following: -When the bonds of ATP are broken,energy is released to do cellular work.

A dipeptide can be broken into two amino acids by dehydration synthesis.

Amino acids joining together to make a peptide is a good example of a(n)________ reaction.

Match the following: -Carbon.

Select the correct statement about isotopes.

Figure 2.2 Using Figure 2.2, match the following: -Deoxyribose sugar.

Figure 2.1 Using Figure 2.1, match the following: -Polymer.

Describe the factors that affect chemical reaction rates.

Match the following: -Number of protons in an atom.

The Human Body: an Orientation

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

Filters

A patient is hyperventilating.The "blowing off" of excessive carbon dioxide causes a decrease in blood H⁺ concentration.How can the carbonic acid-bicarbonate buffer system function to correct this imbalance? CO₂ + H₂O ? H₂CO₃ ? H⁺ + HCO₃^-