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NEET UG/Zoology/Biotechnology - Principles and Processes/2021

NEET UG 2021 — Biotechnology - Principles and Processes

Zoology Biotechnology - Principles and Processes questions from NEET UG 2021.

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7 Biotechnology - Principles and Processes Questions from 2021

A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:

DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:

During the process of gene amplification using PCR, if a very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?

easy

mcq

During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:

Plasmid $\mathrm{pBR}322$ has PstI restriction enzyme site within gene ${\mathrm{amp}}^{R}$ that confers ampicillin resistance. If this enzyme is used for inserting a gene for $\beta$-galactoside production and the recombinant plasmid is inserted in an E. coli strain

Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?

Which of the following is not an application of PCR (Polymerase Chain Reaction)?