Question 1

Prokaryotic cells

Accepted Answer

A)  do not have a well defined nucleus 
B)  are smaller than eukaryotic cells 
C)  do not have internal membranes 
D)  all of the above 
A)  do not have a well defined nucleus 
B)  are smaller than eukaryotic cells 
C)  do not have internal membranes 
D)  all of the above

Question 2

It is generally believed that the following gas was missing in the primordial atmosphere:

Accepted Answer

A)  H2 
B)  CO2 
C)  CH4 
D)  NH3 
E)  O2 
A)  H2 
B)  CO2 
C)  CH4 
D)  NH3 
E)  O2

Question 3

Which of the following is not a subcellular organelle?

Accepted Answer

A)  nucleus 
B)  mitochondrion 
C)  endoplasmic reticulum 
D)  cytoskeleton 
A)  nucleus 
B)  mitochondrion 
C)  endoplasmic reticulum 
D)  cytoskeleton

Question 4

The aerobic combustion of glucose to yield carbon dioxide and water

Accepted Answer

A)  is thermodynamically favorable 
B)  requires oxygen 
C)  has a negative Gibb's free energy 
D)  all of these are true 
A)  is thermodynamically favorable 
B)  requires oxygen 
C)  has a negative Gibb's free energy 
D)  all of these are true

Question 5

Which of the following best describes the results of the Miller-Urey experiment?

Accepted Answer

A)  It proved that DNA is the genetic material. 
B)  It produced proteins under conditions simulating the early Earth. 
C)  It created living cells from non-living materials. 
D)  It produced some simple organic compounds from a mixture of gases presumed to have existed in the early atmosphere. 
E)  All of these results of the Miller-Urey experiment. 
A)  It proved that DNA is the genetic material. 
B)  It produced proteins under conditions simulating the early Earth. 
C)  It created living cells from non-living materials. 
D)  It produced some simple organic compounds from a mixture of gases presumed to have existed in the early atmosphere. 
E)  All of these results of the Miller-Urey experiment.

Question 6

Which of the following organelles does not have a double membrane?

Accepted Answer

A)  mitochondrion 
B)  nucleus 
C)  endoplasmic reticulum 
D)  chloroplast 
A)  mitochondrion 
B)  nucleus 
C)  endoplasmic reticulum 
D)  chloroplast

Question 7

Matching
Match the macromolecules with the monomeric unit in each.
-nucleotide

Accepted Answer

A) nucleic acids 
B) proteins 
C) carbohydrate 
A) nucleic acids 
B) proteins 
C) carbohydrate

Question 8

Cell walls

Accepted Answer

A)  occur in plants and bacteria 
B)  occur in plants and animals 
C)  occur only in plants 
D)  occur only in bacteria 
A)  occur in plants and bacteria 
B)  occur in plants and animals 
C)  occur only in plants 
D)  occur only in bacteria

Question 9

Which of the following was part of the vital force theory?

Accepted Answer

A)  The compounds found in living things are just like those found in the non-living world. 
B)  The compounds found in living things are interesting, but can easily be produced in the laboratory. 
C)  The compounds found in living things can not be produced in the laboratory. 
A)  The compounds found in living things are just like those found in the non-living world. 
B)  The compounds found in living things are interesting, but can easily be produced in the laboratory. 
C)  The compounds found in living things can not be produced in the laboratory.

Question 10

Which of the following is NOT one of the primary simple molecules that scientists believe must have ultimately led to creating living things?

Accepted Answer

A)  ammonia 
B)  carbon dioxide 
C)  hydrogen 
D)  simple carbohydrates 
A)  ammonia 
B)  carbon dioxide 
C)  hydrogen 
D)  simple carbohydrates

Question 11

Which of the following statements regarding biomolecules is false?

Accepted Answer

A)  They contain predominantly ionic bonds. 
B)  They contain predominantly nonmetallic elements. 
C)  Carbon is the key element. 
D)  Specific stereoisomers are essential in most cases. 
A)  They contain predominantly ionic bonds. 
B)  They contain predominantly nonmetallic elements. 
C)  Carbon is the key element. 
D)  Specific stereoisomers are essential in most cases.

Question 12

Which cell component does not have a double membrane?

Accepted Answer

A)  Nucleus 
B)  Lysosome 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  Mitochondrion 
A)  Nucleus 
B)  Lysosome 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  Mitochondrion

Question 13

The synthesis of urea from ammonium cyanate.

Accepted Answer

A)  was a critical component of the Miller-Urey experiment. 
B)  requires a protein as a catalyst. 
C)  helped dispel the vital force theory. 
D)  supported the vital force theory. 
A)  was a critical component of the Miller-Urey experiment. 
B)  requires a protein as a catalyst. 
C)  helped dispel the vital force theory. 
D)  supported the vital force theory.

Question 14

Biological catalysts are

Accepted Answer

A)  proteins exclusively 
B)  RNA exclusively 
C)  DNA exclusively 
D)  some proteins and some RNA 
A)  proteins exclusively 
B)  RNA exclusively 
C)  DNA exclusively 
D)  some proteins and some RNA

Question 15

Matching
Match the macromolecules with the monomeric unit in each.
-amino acid

Accepted Answer

A) nucleic acids 
B) proteins 
C) carbohydrate 
A) nucleic acids 
B) proteins 
C) carbohydrate

Question 16

The following cellular component is characteristic of eukaryotic cells:

Accepted Answer

A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  More than one of these is characteristic of eukaryotic cells. 
A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  More than one of these is characteristic of eukaryotic cells.

Question 17

A kind of cellular structure present in plant cells but not in human cells is

Accepted Answer

A)  the endoplasmic reticulum 
B)  a cell wall 
C)  ribosomes 
D)  a plasma membrane 
A)  the endoplasmic reticulum 
B)  a cell wall 
C)  ribosomes 
D)  a plasma membrane

Question 18

Which of the following statements about eukaryotic nuclei is FALSE?

Accepted Answer

A)  They are separated from the rest of the cell by a single membrane. 
B)  They contain RNA. 
C)  They contain chromatin. 
D)  They play a role in genetics. 
A)  They are separated from the rest of the cell by a single membrane. 
B)  They contain RNA. 
C)  They contain chromatin. 
D)  They play a role in genetics.

Question 19

Which of these eukaryotic kingdoms consists primarily of unicellular organisms?

Accepted Answer

A)  Animals 
B)  Fungi 
C)  Plants 
D)  Protista 
E)  Both fungi and protista. 
A)  Animals 
B)  Fungi 
C)  Plants 
D)  Protista 
E)  Both fungi and protista.

Question 20

Which cell component has cristae?

Accepted Answer

A)  Nucleus 
B)  Mitochondrion 
C)  Endoplasmic Reticulum 
D)  Chloroplast 
E)  Ribosome 
A)  Nucleus 
B)  Mitochondrion 
C)  Endoplasmic Reticulum 
D)  Chloroplast 
E)  Ribosome

Exam 1: Biochemistry and the Organization of Cells

Prokaryotic cells

It is generally believed that the following gas was missing in the primordial atmosphere:

Which of the following is not a subcellular organelle?

The aerobic combustion of glucose to yield carbon dioxide and water

Which of the following best describes the results of the Miller-Urey experiment?

Which of the following organelles does not have a double membrane?

Matching Match the macromolecules with the monomeric unit in each. -nucleotide

Cell walls

Which of the following was part of the vital force theory?

Which of the following is NOT one of the primary simple molecules that scientists believe must have ultimately led to creating living things?

Which of the following statements regarding biomolecules is false?

Which cell component does not have a double membrane?

The synthesis of urea from ammonium cyanate.

Biological catalysts are

Matching Match the macromolecules with the monomeric unit in each. -amino acid

The following cellular component is characteristic of eukaryotic cells:

A kind of cellular structure present in plant cells but not in human cells is

Which of the following statements about eukaryotic nuclei is FALSE?

Which of these eukaryotic kingdoms consists primarily of unicellular organisms?

Which cell component has cristae?

Water: the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three-Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins: Enzymes

The Behavior of Proteins: Enzymes, Mechanisms, and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids: How Structure Conveys Information

Biosynthesis of Nucleic Acids: Replication

Transcription of the Genetic Code: Biosynthesis of RNA

Protein Synthesis: Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

Viruses, Cancer, and Immunology

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Glycolysis

Storage Mechanisms and Control in Carbohydrate Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism: Cellular Signaling

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