
Understanding PCR and Its Evolution
Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do hot springs and hydrothermal vents play in molecular biology?
They are sources of renewable energy.
They provide unique microbes for studying pathogens.
They are used for recreational purposes.
They are locations for archaeological digs.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was a major challenge in DNA sequencing during the 1960s?
Lack of interest in genetic research.
Inability to visualize DNA.
Difficulty in obtaining sufficient genetic material.
Absence of computing technology.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of DNA polymerase in DNA replication?
It binds primers to DNA.
It cuts DNA into smaller pieces.
It builds new DNA strands from nucleotides.
It unwinds the DNA strands.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was the early DNA replication process slow and expensive?
It required rare chemicals.
It depended on large machines.
It needed constant manual intervention.
It used heat-sensitive polymerases.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of Thermus aquaticus in PCR?
It is used in vaccine production.
Its polymerase can withstand high temperatures.
It is a model organism for genetic studies.
It is a source of antibiotics.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did Taq polymerase revolutionize genetics?
By making DNA replication faster and cheaper.
By eliminating the need for primers.
By allowing DNA replication at room temperature.
By enabling rapid DNA sequencing.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a limitation of Taq polymerase?
It requires a specific type of primer.
It cannot function at high temperatures.
It sometimes makes errors in DNA replication.
It is too expensive for widespread use.
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