Exam 3 (**Webcam**) - Requires Respondus
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Questions and CORRECT Answers
Fluorescence in situ hybridization (FISH) - CORRECT ANSWER - D) uses a labeled
probe, is useful in microbial ecology, AND allows identification of particular bacterial groups in
mixed samples.
The Ti plasmid is naturally found in - CORRECT ANSWER - B) Agrobacterium
A dye often used for its ease and sensitivity to visualize nucleic acid after agarose gel
electrophoresis is - CORRECT ANSWER - D) ethidium bromide.
Genetic engineering - CORRECT ANSWER - D) allows the use of bacteria as production
factories for a number of molecules AND relies on recombinant DNA technology.
DNA molecules that contain pieces of DNA from two different sources are defined as -
CORRECT ANSWER - C) recombinant DNA.
The agarose used in electrophoresis - CORRECT ANSWER - C) separates DNA fragments
by size.
PCR is useful for amplifying a particular section of DNA. - CORRECT ANSWER - True
When a vector that uses the lacZ gene as a second marker is used in a cloning experiment,
bacteria that contain the recombinant DNA will give rise to - CORRECT ANSWER - B)
white colonies.
Starting with a single piece of dsDNA, after 3 PCR cycles there are - CORRECT
ANSWER - C) 8 additional pieces of dsDNA
LockDown Browser UPDATED Exam
Questions and CORRECT Answers
Fluorescence in situ hybridization (FISH) - CORRECT ANSWER - D) uses a labeled
probe, is useful in microbial ecology, AND allows identification of particular bacterial groups in
mixed samples.
The Ti plasmid is naturally found in - CORRECT ANSWER - B) Agrobacterium
A dye often used for its ease and sensitivity to visualize nucleic acid after agarose gel
electrophoresis is - CORRECT ANSWER - D) ethidium bromide.
Genetic engineering - CORRECT ANSWER - D) allows the use of bacteria as production
factories for a number of molecules AND relies on recombinant DNA technology.
DNA molecules that contain pieces of DNA from two different sources are defined as -
CORRECT ANSWER - C) recombinant DNA.
The agarose used in electrophoresis - CORRECT ANSWER - C) separates DNA fragments
by size.
PCR is useful for amplifying a particular section of DNA. - CORRECT ANSWER - True
When a vector that uses the lacZ gene as a second marker is used in a cloning experiment,
bacteria that contain the recombinant DNA will give rise to - CORRECT ANSWER - B)
white colonies.
Starting with a single piece of dsDNA, after 3 PCR cycles there are - CORRECT
ANSWER - C) 8 additional pieces of dsDNA
