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Exam (elaborations)

BTEC EXAM REVIEW TEST QUESTIONS & ANSWERS 2024/2025

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BTEC EXAM REVIEW TEST QUESTIONS & ANSWERS 2024/2025

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  • August 23, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BTEC
  • BTEC
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BTEC EXAM REVIEW TEST QUESTIONS
& ANSWERS 2024/2025

What does apply to bacteriophages? - ANSWERSBacteriophages recognize molecules on bacterial surface
to infect



Most phages have narrow host range



Bacteriophage genomes can be RNA, but mostly DNA



All phages use the hosts replication machinery to some extent



In vitro transcription of the SARS-2 spike gene makes use of the __________ - ANSWERST7 gp10
promoter



The antirestriction protein of T7: - ANSWERSprotects T7 DNA from bacterial endonucleases



What is the enzymatic function of gene product 1 in T7? - ANSWERSmRNA synthesis



Which phage-encoded protein catalyzes the formation of phosphodiester bonds between nucleotides? -
ANSWERSDNA ligase



In the pET system for recombinant protein expression, in the absence of IPTG: - ANSWERSBinding of T7
RNA polymerase to the gp10 promoter is obstructed



Which gene or feature is not employed in the pET system? - ANSWERST7 DNA polymerase



What is a major advantage of bacteriophages as antimicrobial agents over small molecule antibiotics? -
ANSWERSless killing of friendly human bacteria

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