In Vitro Gene Cloning (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is in vitro gene cloning?
What is in vitro gene cloning?
Copying DNA outside living cells using PCR
Which component is NOT essential for PCR?
Which component is NOT essential for PCR?
Restriction endonucleases
Why is Taq polymerase used in PCR?
Why is Taq polymerase used in PCR?
It is thermostable at high temperatures
What is the primary function of primers in PCR?
What is the primary function of primers in PCR?
To provide starting points for polymerase
At what temperature does DNA strand separation occur in PCR?
At what temperature does DNA strand separation occur in PCR?
95°C
What happens during the 55°C stage of PCR?
What happens during the 55°C stage of PCR?
Primers bind to complementary sequences
Approximately how many DNA copies are produced after 25 PCR cycles?
Approximately how many DNA copies are produced after 25 PCR cycles?
Over a million
How long does in vitro cloning take compared to in vivo cloning?
How long does in vitro cloning take compared to in vivo cloning?
Hours vs days or weeks
Why is in vitro cloning resistant to contamination?
Why is in vitro cloning resistant to contamination?
Specific primers only amplify target DNA
What can transformed bacteria produce in in vivo cloning?
What can transformed bacteria produce in in vivo cloning?
Large quantities of valuable proteins