BIO 100 EXAM 4 PRACTICE QUESTIONS
AND COMPLETE SOLUTIONS
◉ Darwin made numerous observations during his five-year
voyage. What observation did NOT influence the formation his
Theory of Natural Selection?
A. Observing changes in DNA among species
B. Observing similarities among Galapagos species of finches to
that of Mainland finches
C. Witnessing volcanic eruptions and landslides
D. Observing fossils of extinct organisms
Answer: A. Observing changes in DNA among species
◉ Erasmus Darwin
Answer: Supported ideas of transmutation
◉ Alfred Russel Wallace
Answer: Developed a theory of evolution similar to Darwin
◉ Thomas Huxley
Answer: Considered "Darwin's Bulldog" and first to apply the
theory of natural selection to humans
◉ Richard Owen
,Answer: Discounted Darwin's Theory of Evolution by means of
Natural Selection
◉ Jean Baptiste Lamarck
Answer: Supported the idea of inheritance and acquired traits
◉ Charles Lyell
Answer: Proposed the idea that the Earth is ever changing
◉ Thomas Malthus
Answer: Economist that stated that when resources are limited,
populations decline
◉ Which of the following is NOT a tool of biotechnology involving
genetic engineering?
A. Inserting
B. Chopping
C. Chromatography
D. Amplifying
Answer: C. Chromatography
◉ T/F: Almost everyone in the U.S. consumes genetically
engineered (modified) foods regularly without knowing it
Answer: True
,◉ T/F: Biotechnology tools have been developed to identify
whether an individual carries disease-causing genes that may
affect them later in life
Answer: True
◉ T/F: DNA fingerprinting is based on the idea that there are DNA
segments (STRs) within every person's genome that have unique
patterns of repeating sequences
Answer: True
◉ Short Tandem Repeats (STRs of DNA):
A. are used in biotechnology when creating a clone
B. are characteristic of genes that code for biochemical traits
rather than structural traits
C. are produced when a mutation occurs in a non-sex cell
D. can be used to make a DNA fingerprint
Answer: D. can be used to make a DNA fingerprint
◉ What is true of gene regulation?
A. it is the same in every person
B. it allows a cell to produce proteins regardless of when and
where they are needed
C. it is not dependent on the environment
D. it is the on/off switch for protein production
, Answer: D. it is the on/off switch for protein production
◉ Polymerase Chain Reaction (PCR) is used to:
A. chop up DNA from a donor species
B. amplify small samples of DNA into more useful quantities
C. insert pieces of DNA into bacterial cells or viruses
D. grow separate colonies of bacteria or viruses, each containing
some donor DNA
Answer: B. amplify small samples of DNA into more useful
quantities
◉ The cloning of ampicillin in bacteria involves which of the
following biotechnology tools:
A. Growing the bacteria
B. chopping out the ampicillin gene
C. Inserting the gene into a bacteria
D. all of these
Answer: D. all of these
◉ T/F: Cloning Dolly the sheep required the DNA from an egg cell
of Dolly
Answer: False
◉ Who was the first scientist to discover that DNA could be used
as a "fingerprint" to link suspects to a crime scene?
AND COMPLETE SOLUTIONS
◉ Darwin made numerous observations during his five-year
voyage. What observation did NOT influence the formation his
Theory of Natural Selection?
A. Observing changes in DNA among species
B. Observing similarities among Galapagos species of finches to
that of Mainland finches
C. Witnessing volcanic eruptions and landslides
D. Observing fossils of extinct organisms
Answer: A. Observing changes in DNA among species
◉ Erasmus Darwin
Answer: Supported ideas of transmutation
◉ Alfred Russel Wallace
Answer: Developed a theory of evolution similar to Darwin
◉ Thomas Huxley
Answer: Considered "Darwin's Bulldog" and first to apply the
theory of natural selection to humans
◉ Richard Owen
,Answer: Discounted Darwin's Theory of Evolution by means of
Natural Selection
◉ Jean Baptiste Lamarck
Answer: Supported the idea of inheritance and acquired traits
◉ Charles Lyell
Answer: Proposed the idea that the Earth is ever changing
◉ Thomas Malthus
Answer: Economist that stated that when resources are limited,
populations decline
◉ Which of the following is NOT a tool of biotechnology involving
genetic engineering?
A. Inserting
B. Chopping
C. Chromatography
D. Amplifying
Answer: C. Chromatography
◉ T/F: Almost everyone in the U.S. consumes genetically
engineered (modified) foods regularly without knowing it
Answer: True
,◉ T/F: Biotechnology tools have been developed to identify
whether an individual carries disease-causing genes that may
affect them later in life
Answer: True
◉ T/F: DNA fingerprinting is based on the idea that there are DNA
segments (STRs) within every person's genome that have unique
patterns of repeating sequences
Answer: True
◉ Short Tandem Repeats (STRs of DNA):
A. are used in biotechnology when creating a clone
B. are characteristic of genes that code for biochemical traits
rather than structural traits
C. are produced when a mutation occurs in a non-sex cell
D. can be used to make a DNA fingerprint
Answer: D. can be used to make a DNA fingerprint
◉ What is true of gene regulation?
A. it is the same in every person
B. it allows a cell to produce proteins regardless of when and
where they are needed
C. it is not dependent on the environment
D. it is the on/off switch for protein production
, Answer: D. it is the on/off switch for protein production
◉ Polymerase Chain Reaction (PCR) is used to:
A. chop up DNA from a donor species
B. amplify small samples of DNA into more useful quantities
C. insert pieces of DNA into bacterial cells or viruses
D. grow separate colonies of bacteria or viruses, each containing
some donor DNA
Answer: B. amplify small samples of DNA into more useful
quantities
◉ The cloning of ampicillin in bacteria involves which of the
following biotechnology tools:
A. Growing the bacteria
B. chopping out the ampicillin gene
C. Inserting the gene into a bacteria
D. all of these
Answer: D. all of these
◉ T/F: Cloning Dolly the sheep required the DNA from an egg cell
of Dolly
Answer: False
◉ Who was the first scientist to discover that DNA could be used
as a "fingerprint" to link suspects to a crime scene?
