CHAPTER 24 CHEMICAL COMMUNICATIONS: NEUROTRANSMITTERS
1. Which of the following are discrete bodies within cells?
c. both a and b
d. neither a nor b
TOP: 24.1 - WHAT MOLECULES ARE INVOLV
CHAPTER 23 ENZYMES
1. Which of the following is true?
a. All enzymes are fibrous proteins.
b. All enzymes are globular proteins.
c. The majority of enzymes are fibrous proteins.
d. The majority of enzymes are globular proteins.
If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress
the gas until its volume is 4.8 L, what will the new pressure inside the
I have added 15 L of air to a balloon at sea level (1.0 atm). If I take the
CHAPTER 26 GENE EXPRESSION AND PROTEIN SYNTHESIS
1. Which of the following occurs in retroviruses?
a. DNA is replicated in the 3' 5' direction
b. DNA is replicated in the 5' 3' direction
c. DNA is transcribed to RNA
d. RNA is transcribed t
CHAPTER 13 BENZENE AND ITS DERIVATIVES
1. On what basis was the name aromatic originally given to compounds?
a. They had strong odors.
b. Their first application was in aromatherapy.
c. Their odors were considered to be pleasant.
CHAPTER 20 CARBOHYDRATES
1. Which are the most abundant organic compounds in the plant world?
b. amino acids
TOP: 20.1 - CARBOHYDRATES: WHAT ARE MONOSACCHARIDES?
2. Which of the follow
CHAPTER 16 AMINES
1. Which element is the fourth most common element in organic compounds?
TOP: 16.1 - WHAT ARE AMINES?
2. Nitrogen's abundance among organic compounds is primarily the result of the wide d
CHAPTER 21 LIPIDS
1. Which of the following is used to define lipids?
a. the presence of a specific functional group
b. their chemical structure
c. their insolubility in water
d. none of these
TOP: 21.1 - WHAT ARE LIPIDS?
CHAPTER 15 CHIRALITY: THE HANDEDNESS OF MOLECULES
1. Which of the following statements is true?
a. Biologically important organic molecules never exhibit enantiomerism.
b. Very few biologically important organic molecules exhibit enantiome
CHAPTER 3 CHEMICAL BONDS
1. How many main types of chemical bonds exist?
TOP: 3.1 - WHAT DO WE NEED TO KNOW BEFORE WE BEGIN?
2. Which of the following is true in general of all cations?
a. A cation has equ
CHAPTER 28 SPECIFIC CATABOLIC PATHWAYS: CARBOHYDRATE, LIPID,
AND PROTEIN METABOLISM
1. Why must carbohydrates, fats and proteins be broken down into small molecules?
a. So they can be absorbed through the walls of the stomach.
b. So they c
CHAPTER 11 ALKANES
1. Alkanes belong to which class of hydrocarbons?
TOP: 11.1 - WHAT ARE ALKANES?
2. Which of the following explains why alkanes are called saturated hydrocar
CHAPTER 14 ALCOHOLS, ETHERS, AND THIOLS
1. Which of the following elements is present in thiols but not in alcohols?
TOP: 14.1 - WHAT ARE THE STRUCTURES, NAMES, AND PHYSICAL PROPERTIES OF
CHAPTER 12 ALKENES AND ALKYNES
1. Which of the following is the characteristic feature of all alkenes?
a. the presence of one or more carbon-carbon double bonds
b. the presence of one or more carbon-carbon triple bonds
c. the presence of a
CHAPTER 10 ORGANIC CHEMISTRY
1. Which element accounts for the largest percentage of the earth's crust?
TOP: 10.1 - WHAT IS ORGANIC CHEMISTRY?
2. Which of the following statements is
CHAPTER 18 CARBOXYLIC ACIDS
1. Which of the following must be present in a carboxylic acid?
a. a carbonyl group and a hydroxyl group bonded to different carbon atoms
b. a carbonyl group and a hydroxyl group bonded to the same carbon atom
CHAPTER 4 CHEMICAL REACTIONS
1. The reactants in a chemical reaction are analogous to which of the following?
a. a baked cake
b. the flour, eggs, chocolate used to bake a cake
c. both a and b
d. neither a nor b
TOP: 4.1 - WHA
Gas Stoichiometry Practice
For all of these problems, assume that the reactions are being performed at a
pressure of 1.0 atm and a temperature of 298 K.
Calcium carbonate decomposes at high temperatures to form carbon
dioxide and calcium oxide:
CHAPTER 27 BIOENERGETICS: HOW THE BODY CONVERTS FOOD TO
1. Metabolism is which of the following?
a. all the processes that involve breaking down molecules into smaller fragments
b. all the processes that involve the synthesis of mol
CHAPTER 17 ALDEHYDES AND KETONES
1. Which functional group is found in aldehydes?
TOP: 17.1 - WHAT ARE ALDEHYDES AND KETONES?
2. Which functional group is found in ketones?
CHAPTER 8 ACIDS AND BASES
1. According to Arrhenius which species is associated with all acids?
d. none of these
TOP: 8.1 - WHAT ARE ACIDS AND BASES?
2. According to Arrhenius which species is associated
CHAPTER 19 CARBOXYLIC ANHYDRIDES, ESTERS, AND AMIDES
1. Which of the following represents the overall transformation when a carboxylic acid is converted to an
a. The combining of the fragments which remain after the loss of OH from
CHAPTER 2 ATOMS
1. The name of which Greek philosopher is most closely associated with the concept of an atom?
TOP: 2.1 - WHAT IS MATTER MADE OF?
2. Which Greek philosopher thought
CHAPTER 6 SOLUTIONS AND COLLOIDS
1. The term solution is synonymous with which of the following?
c. heterogeneous mixture
d. homogeneous mixture
TOP: 6.1 - WHAT DO WE NEED TO KNOW AS WE BEGIN?
CHAPTER 5 GASES, LIQUIDS, AND SOLIDS
1. Which of the following is most important in determining if a material will be a solid, a liquid or a gas?
a. covalent bonds
c. intramolecular forces
b. intermolecular forces
d. nuclear forces
CHAPTER 22 PROTEINS
1. Although all biological molecules are important, which type of molecule is considered the most
a. amino acids
TOP: 22.1 - WHAT ARE THE MANY FUNCTIONS OF
CHAPTER 25 NUCLEOTIDES, NUCLEIC ACIDS, AND HEREDITY
1. Which of the following is where genetic information is located?
b. endoplasmic reticulum
TOP: 25.1 - WHAT ARE THE MOLECULES OF HER
CHAPTER 7 REACTION RATES AND CHEMICAL EQUILIBRIUM
1. Which of the following best describes the rates of chemical reaction?
a. Most chemical reactions occur very slowly.
b. Most chemical reactions occur at moderate rates.
c. Most chemical r
CHAPTER 1 MATTER, ENERGY, AND MEASUREMENT
1. Which of the following is an example of matter?
a. the light of a flame
c. the air you breathe
b. the sound of thunder
d. None of these is matter.
TOP: 1.1 - WHY DO WE CALL CHEMIST
CHAPTER 9 NUCLEAR CHEMISTRY
1. Which of the following scientists discovered radioactivity?
a. H. Becquerel
c. A. Einstein
b. M. Curie
d. E. Rutherford
TOP: 9.1 - HOW WAS RADIOACTIVITY DISCOVERED?
2. Which of the following was