Question 1

Eukaryotic DNA

Accepted Answer

A)  is found in the nucleus 
B)  is found in the mitochondrion 
C)  is found in the chloroplast 
D)  all of the above 
A)  is found in the nucleus 
B)  is found in the mitochondrion 
C)  is found in the chloroplast 
D)  all of the above D

Question 2

Which of the following statements about eukaryotic mitochondria is TRUE?

Accepted Answer

A)  They play a role in genetics. 
B)  They are the site of photosynthesis in green plants. 
C)  They have an inner and an outer membrane. 
D)  They only occur in animals, not plants. 
A)  They play a role in genetics. 
B)  They are the site of photosynthesis in green plants. 
C)  They have an inner and an outer membrane. 
D)  They only occur in animals, not plants. C

Question 3

The genetic coding material is

Accepted Answer

A)  protein 
B)  DNA 
C)  polysaccharide 
D)  lipid 
A)  protein 
B)  DNA 
C)  polysaccharide 
D)  lipid B

Question 4

Chloroplasts

Accepted Answer

A)  contain no DNA 
B)  are bounded by a single membrane 
C)  are relatively small organelles 
D)  are the site of photosynthesis in green plants 
A)  contain no DNA 
B)  are bounded by a single membrane 
C)  are relatively small organelles 
D)  are the site of photosynthesis in green plants

Question 5

In its earliest stages, which atoms were present in the universe?

Accepted Answer

A)  carbon, hydrogen, and oxygen 
B)  hydrogen, helium, and lithium 
C)  nitrogen, sulfur, and phosphorous 
D)  uranium, polonium, and radium 
E)  helium, neon, and argon 
A)  carbon, hydrogen, and oxygen 
B)  hydrogen, helium, and lithium 
C)  nitrogen, sulfur, and phosphorous 
D)  uranium, polonium, and radium 
E)  helium, neon, and argon

Question 6

Which of these kingdoms includes only prokaryotic organisms?

Accepted Answer

A)  Animals 
B)  Fungi 
C)  Monera 
D)  Plants 
E)  Protista 
A)  Animals 
B)  Fungi 
C)  Monera 
D)  Plants 
E)  Protista

Question 7

In the Five Kingdom classification system, human beings would be considered

Accepted Answer

A)  animals. 
B)  protists. 
C)  monera. 
D)  fungi. 
E)  none of the above. 
A)  animals. 
B)  protists. 
C)  monera. 
D)  fungi. 
E)  none of the above.

Question 8

Which of the following is NOT a Functional Group

Accepted Answer

A)  Amino group 
B)  Protein 
C)  Alcohol group 
D)  Carbonyl group 
A)  Amino group 
B)  Protein 
C)  Alcohol group 
D)  Carbonyl group

Question 9

The following cellular component is the defining component of eukaryotic cells:

Accepted Answer

A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  Cell membranes 
A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  Cell membranes

Question 10

How do the molecules that play a role in living cells compare to those encountered in organic chemistry?

Accepted Answer

A)  They are the same, just operating in a different context. 
B)  Biological molecules are organic molecules, but the similarity ends there. 
C)  Biological molecules aren't similar to organic molecules at all. 
D)  Biology isn't based on molecules at all, but a "vital force". 
A)  They are the same, just operating in a different context. 
B)  Biological molecules are organic molecules, but the similarity ends there. 
C)  Biological molecules aren't similar to organic molecules at all. 
D)  Biology isn't based on molecules at all, but a "vital force".

Question 11

Lysosomes, peroxisomes, and glyoxysomes are

Accepted Answer

A)  sites of cell damage 
B)  important in mitosis 
C)  specialized organelles 
D)  a part of the rough endoplasmic reticulum 
A)  sites of cell damage 
B)  important in mitosis 
C)  specialized organelles 
D)  a part of the rough endoplasmic reticulum

Question 12

Which cell component contains many hydrolytic enzymes?

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

All of the following bonds are important in biomolecules, except:

Accepted Answer

A)  C−Cl 
B)  C−H 
C)  C−N 
D)  O−H 
E)  O−P 
A)  C−Cl 
B)  C−H 
C)  C−N 
D)  O−H 
E)  O−P

Question 14

The Golgi apparatus

Accepted Answer

A)  occurs in prokaryotes 
B)  is involved in secretion of proteins from the cell 
C)  is part of the chloroplast 
D)  is the site of protein synthesis 
A)  occurs in prokaryotes 
B)  is involved in secretion of proteins from the cell 
C)  is part of the chloroplast 
D)  is the site of protein synthesis

Question 15

Which organelle does not contain DNA?

Accepted Answer

A)  Nucleus 
B)  Mitochondrion 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  All of these organelles contain DNA 
A)  Nucleus 
B)  Mitochondrion 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  All of these organelles contain DNA

Question 16

A spontaneous reaction is

Accepted Answer

A)  exergonic. 
B)  endergonic. 
C)  at equilibrium. 
D)  none of the above. 
A)  exergonic. 
B)  endergonic. 
C)  at equilibrium. 
D)  none of the above.

Question 17

Energy-yielding oxidation reactions take place in eukaryotic

Accepted Answer

A)  nuclei. 
B)  ribosomes. 
C)  mitochondria. 
D)  endoplasmic reticula. 
E)  cell walls. 
A)  nuclei. 
B)  ribosomes. 
C)  mitochondria. 
D)  endoplasmic reticula. 
E)  cell walls.

Question 18

Which of following provides evidence for the endosymbiotic theory describing the origin of mitochondria & chloroplasts?

Accepted Answer

A)  These organelles have their own nuclei. 
B)  These organelles have their own endoplasmic reticulum. 
C)  These organelles have their own lysosomes. 
D)  These organelles have their own DNA. 
A)  These organelles have their own nuclei. 
B)  These organelles have their own endoplasmic reticulum. 
C)  These organelles have their own lysosomes. 
D)  These organelles have their own DNA.

Question 19

According to the big bang theory of the creation of the universe,

Accepted Answer

A)  the universe has been getting cooler since its beginning 
B)  the initial explosion caused the creation of all of the elements of the periodic table 
C)  carbon is the most abundant element in the universe 
D)  the earth could be no older than 1 billion years 
A)  the universe has been getting cooler since its beginning 
B)  the initial explosion caused the creation of all of the elements of the periodic table 
C)  carbon is the most abundant element in the universe 
D)  the earth could be no older than 1 billion years

Question 20

How are the majority of elements thought to have been formed?

Accepted Answer

A)  By thermonuclear reactions that normally take place in stars. 
B)  In explosions of stars. 
C)  By the action of cosmic rays outside the stars since the formation of the galaxy. 
D)  All of the choices are true 
E)  None of the choices; all the elements were present from the initial Big Bang. 
A)  By thermonuclear reactions that normally take place in stars. 
B)  In explosions of stars. 
C)  By the action of cosmic rays outside the stars since the formation of the galaxy. 
D)  All of the choices are true 
E)  None of the choices; all the elements were present from the initial Big Bang.

Exam 1: Biochemistry and the Organization of Cells

Eukaryotic DNA

Which of the following statements about eukaryotic mitochondria is TRUE?

The genetic coding material is

Chloroplasts

In its earliest stages, which atoms were present in the universe?

Which of these kingdoms includes only prokaryotic organisms?

In the Five Kingdom classification system, human beings would be considered

Which of the following is NOT a Functional Group

The following cellular component is the defining component of eukaryotic cells:

How do the molecules that play a role in living cells compare to those encountered in organic chemistry?

Lysosomes, peroxisomes, and glyoxysomes are

Which cell component contains many hydrolytic enzymes?

All of the following bonds are important in biomolecules, except:

The Golgi apparatus

Which organelle does not contain DNA?

A spontaneous reaction is

Energy-yielding oxidation reactions take place in eukaryotic

Which of following provides evidence for the endosymbiotic theory describing the origin of mitochondria & chloroplasts?

According to the big bang theory of the creation of the universe,

How are the majority of elements thought to have been formed?

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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