Question 1

Which of the following would be most easily broken?

Accepted Answer

A) a hydrogen bond 
B) a nonpolar covalent bond 
C) an ionic bond 
D) a polar covalent bond 
A) a hydrogen bond 
B) a nonpolar covalent bond 
C) an ionic bond 
D) a polar covalent bond

Question 2

_________ are molecules with the same ratio of atoms but different arrangements of atoms.

Accepted Answer

A) Isotopes 
B) Structural isomers 
C) Stereoisomers 
D) Radioactive isotopes 
A) Isotopes 
B) Structural isomers 
C) Stereoisomers 
D) Radioactive isotopes

Question 3

Which of the following is NOT true of isotopes of a given atom?

Accepted Answer

A) have the same number of neutrons 
B) have the same number of protons 
C) have different atomic masses 
D) All apply. 
A) have the same number of neutrons 
B) have the same number of protons 
C) have different atomic masses 
D) All apply.

Question 4

An element with 11 neutrons,11 protons,and 11 electrons would have a mass number of

Accepted Answer

A) 11 
B) 33 
C) 22 
D) cannot be determined 
A) 11 
B) 33 
C) 22 
D) cannot be determined

Question 5

A six-sided organic molecule with alternating double bonds is termed a(n)

Accepted Answer

A) aromatic compound. 
B) ketone. 
C) alcohol. 
D) organic aciD. 
A) aromatic compound. 
B) ketone. 
C) alcohol. 
D) organic aciD.

Question 6

How many single bonds can a carbon atom form if it is double-bonded to an oxygen atom?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

Molecules with the same atoms,in the same sequence,but arranged differently in space are called

Accepted Answer

A) structural isomers. 
B) stereoisomers. 
C) functional groups. 
D) aromatic molecules. 
A) structural isomers. 
B) stereoisomers. 
C) functional groups. 
D) aromatic molecules.

Question 8

A buffer has an acid component and a base component that can prevent drastic changes in pH.

Accepted Answer

A) True 
 B)False

Question 9

The specific shape of a protein determines its function.

Accepted Answer

A) True 
 B)False

Question 10

In DNA,cytosine forms a complementary base pair with adenine.

Accepted Answer

A) True 
 B)False

Question 11

In an acidic solution,

Accepted Answer

A) the OH- ion concentration is greater than the H+ ion concentration. 
B) the OH- ion concentration is less than the H+ ion concentration. 
C) the H+ ion concentration is equal to the OH- ion concentration. 
D) the H+ ion concentration is less than the OH- ion concentration only if the solution is buffereD. 
A) the OH- ion concentration is greater than the H+ ion concentration. 
B) the OH- ion concentration is less than the H+ ion concentration. 
C) the H+ ion concentration is equal to the OH- ion concentration. 
D) the H+ ion concentration is less than the OH- ion concentration only if the solution is buffereD.

Question 12

A blood pH of 7.6 is

Accepted Answer

A) indicative of acidosis. 
B) indicative of alkalosis. 
C) in the normal physiological range. 
D) indicates effective buffering by the bicarbonate/carbonic acid system. 
A) indicative of acidosis. 
B) indicative of alkalosis. 
C) in the normal physiological range. 
D) indicates effective buffering by the bicarbonate/carbonic acid system.

Question 13

Fats and carbohydrates are the primary energy stores in the body.

Accepted Answer

A) True 
 B)False

Question 14

Peptide bonds are formed by the process of

Accepted Answer

A) ketosis. 
B) hydrolysis. 
C) dehydration synthesis. 
D) aromatization. 
A) ketosis. 
B) hydrolysis. 
C) dehydration synthesis. 
D) aromatization.

Question 15

The nitrogenous base adenine is a

Accepted Answer

A) purine. 
B) pyrimidine. 
C) steroid. 
D) prostaglandin. 
A) purine. 
B) pyrimidine. 
C) steroid. 
D) prostaglandin.

Question 16

What type of bond is formed between potassium and iodine?

Accepted Answer

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

Question 17

The ability of water to be pulled as a column through narrow channels is called

Accepted Answer

A) osmalality. 
B) surface tension. 
C) neutrality. 
D) capillary action. 
A) osmalality. 
B) surface tension. 
C) neutrality. 
D) capillary action.

Question 18

Bases will _______________ protons in a solution.

Accepted Answer

A) accept 
B) donate 
C) ignore 
D) repel 
A) accept 
B) donate 
C) ignore 
D) repel

Question 19

Which reaction represents a dehydration synthesis reaction?

Accepted Answer

A) Reaction A 
B) Reaction B 
A) Reaction A 
B) Reaction B

Question 20

Hydration spheres can be formed by compounds which contain _______________ bonds.

Accepted Answer

A) nonpolar covalent 
B) polar covalent 
C) ionic 
D) either polar covalent or ionic 
A) nonpolar covalent 
B) polar covalent 
C) ionic 
D) either polar covalent or ionic

Which of the following would be most easily broken?

_________ are molecules with the same ratio of atoms but different arrangements of atoms.

Which of the following is NOT true of isotopes of a given atom?

An element with 11 neutrons,11 protons,and 11 electrons would have a mass number of

A six-sided organic molecule with alternating double bonds is termed a(n)

How many single bonds can a carbon atom form if it is double-bonded to an oxygen atom?

Molecules with the same atoms,in the same sequence,but arranged differently in space are called

A buffer has an acid component and a base component that can prevent drastic changes in pH.

The specific shape of a protein determines its function.

In DNA,cytosine forms a complementary base pair with adenine.

In an acidic solution,

A blood pH of 7.6 is

Fats and carbohydrates are the primary energy stores in the body.

Peptide bonds are formed by the process of

The nitrogenous base adenine is a

What type of bond is formed between potassium and iodine?

The ability of water to be pulled as a column through narrow channels is called

Bases will _______________ protons in a solution.

Which reaction represents a dehydration synthesis reaction?

Hydration spheres can be formed by compounds which contain _______________ bonds.

The Study of Body Function

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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Exam 2: Chemical Composition of the Body

Which of the following would be most easily broken?

_________ are molecules with the same ratio of atoms but different arrangements of atoms.

Which of the following is NOT true of isotopes of a given atom?

An element with 11 neutrons,11 protons,and 11 electrons would have a mass number of

A six-sided organic molecule with alternating double bonds is termed a(n)

How many single bonds can a carbon atom form if it is double-bonded to an oxygen atom?

Molecules with the same atoms,in the same sequence,but arranged differently in space are called

A buffer has an acid component and a base component that can prevent drastic changes in pH.

The specific shape of a protein determines its function.

In DNA,cytosine forms a complementary base pair with adenine.

In an acidic solution,

A blood pH of 7.6 is

Fats and carbohydrates are the primary energy stores in the body.

Peptide bonds are formed by the process of

The nitrogenous base adenine is a

What type of bond is formed between potassium and iodine?

The ability of water to be pulled as a column through narrow channels is called

Bases will _______________ protons in a solution.

Which reaction represents a dehydration synthesis reaction?

Hydration spheres can be formed by compounds which contain _______________ bonds.

The Study of Body Function

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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