Question 1

Which of the following best defines organic chemistry ?

Accepted Answer

A)  The study of compounds contained in organisms. 
B)  The study of compounds containing organs. 
C)  The study of compounds containing carbon and hydrogen and their derivatives. 
D)  The study of compounds containing elements other than carbon. 
A)  The study of compounds contained in organisms. 
B)  The study of compounds containing organs. 
C)  The study of compounds containing carbon and hydrogen and their derivatives. 
D)  The study of compounds containing elements other than carbon.

Question 2

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 3

Which cell component is able to capture the energy of light?

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 4

What is the chemical formula for ozone?

Accepted Answer

A)  O2 
B)  O3 
C)  NH3 
D)  H2S 
E)  CH4 
A)  O2 
B)  O3 
C)  NH3 
D)  H2S 
E)  CH4

Question 5

The genetic coding material is

Accepted Answer

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

Question 6

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 7

Which is not a property of ribosomes?

Accepted Answer

A)  They are an assembly of polypeptides and RNA. 
B)  They are found in both prokaryotic and eukaryotic cells. 
C)  They function as agents in the biosynthesis of proteins. 
D)  They are found in the cytoplasm and smooth endoplasmic reticulum. 
E)  All of these statements are true about ribosomes. 
A)  They are an assembly of polypeptides and RNA. 
B)  They are found in both prokaryotic and eukaryotic cells. 
C)  They function as agents in the biosynthesis of proteins. 
D)  They are found in the cytoplasm and smooth endoplasmic reticulum. 
E)  All of these statements are true about ribosomes.

Question 8

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 9

Which organelle is involved in the synthesis of ATP?

Accepted Answer

A)  Nucleus 
B)  Mitochondrion 
C)  Chloroplast 
D)  ATP is synthesized in both mitochondria and chloroplasts. 
E)  ATP is synthesized in all three organelles. 
A)  Nucleus 
B)  Mitochondrion 
C)  Chloroplast 
D)  ATP is synthesized in both mitochondria and chloroplasts. 
E)  ATP is synthesized in all three organelles.

Question 10

All eukaryotic organisms

Accepted Answer

A)  are multicellular 
B)  have a nucleus 
C)  have chloroplasts 
D)  have a cell wall 
A)  are multicellular 
B)  have a nucleus 
C)  have chloroplasts 
D)  have a cell wall

Question 11

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 12

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 13

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 14

Which of the following shows the correct order from most simple to most complex:

Accepted Answer

A)  atom, molecule, organelle, macromolecule 
B)  molecule, atom, macromolecule, organelle 
C)  tissue, cell, organ 
D)  atom, macromolecule, tissue, organ 
A)  atom, molecule, organelle, macromolecule 
B)  molecule, atom, macromolecule, organelle 
C)  tissue, cell, organ 
D)  atom, macromolecule, tissue, organ

Question 15

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 16

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 17

The idea that a coding system and a catalysis system came about separately and then combined to form life as we know it is known as

Accepted Answer

A)  the origin of life 
B)  the big bang theory 
C)  the double origen theory 
D)  the theory of evolution 
A)  the origin of life 
B)  the big bang theory 
C)  the double origen theory 
D)  the theory of evolution

Question 18

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 19

The endosymbiotic theory describes the origin of

Accepted Answer

A)  the nucleus & ribosomes. 
B)  the Golgi and endoplasmic reticulum. 
C)  lysosomes and the cytoskeleton. 
D)  mitochondria & chloroplasts. 
A)  the nucleus & ribosomes. 
B)  the Golgi and endoplasmic reticulum. 
C)  lysosomes and the cytoskeleton. 
D)  mitochondria & chloroplasts.

Question 20

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

Exam 1: Biochemistry and the Organization of Cells

Which of the following best defines organic chemistry ?

Which of the following statements regarding biomolecules is false ?

Which cell component is able to capture the energy of light?

What is the chemical formula for ozone?

The genetic coding material is

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

Which is not a property of ribosomes?

Which of these kingdoms includes only prokaryotic organisms?

Which organelle is involved in the synthesis of ATP?

All eukaryotic organisms

Energy-yielding oxidation reactions take place in eukaryotic

A spontaneous reaction is

Which of the following statements about eukaryotic nuclei is FALSE?

Which of the following shows the correct order from most simple to most complex:

Lysosomes, peroxisomes, and glyoxysomes are

Prokaryotic cells

The idea that a coding system and a catalysis system came about separately and then combined to form life as we know it is known as

Which of the following is NOT a Functional Group

The endosymbiotic theory describes the origin of

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

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 the 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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