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What would happen when one grows a recombinant bacterium in a bioreactor but forget to add antibiotic to the medium in which the recombinant is growing? - Biology

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प्रश्न

What would happen when one grows a recombinant bacterium in a bioreactor but forget to add antibiotic to the medium in which the recombinant is growing?

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उत्तर

In the absence of antibiotic, there will be no pressure on recombinants to retain the plasmid (containing the gene of your interest). Since, maintaining a high copy number of plasmids is a metabolic burden to the microbial cells, will thus tend to lose the plasmid.

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पाठ 11: Biotechnology : Principles and Processes - SHORT ANSWER [पृष्ठ ७९]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 11 Biotechnology : Principles and Processes
SHORT ANSWER | Q 10. | पृष्ठ ७९

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संबंधित प्रश्‍न

Distinguish between RNA and DNA.


The enzyme nuclease hydrolyses ______ of polynucleotide chain of DNA.


A PCR machine can raise the temperature up to 100°C but after that, it is not able to lower the temperature below 70°C automatically. Which step of PCR will be hampered first in this faulty machine? Explain why?


What is gene cloning? Explain different tools used for it.


Which of the following is TRUE regarding EcoR I?


For which of the following purpose restriction endonuclease enzyme is used in genetic engineering?


Identify the characterization techniques that are based on molecular weights of compounds.


____________ cuts the DNA within the specific positions.


Which of the following is NOT involved in genetic engineering technique?

i. Combining genes from two organisms

ii. Gene cloning

iii. Transfer of lipid molecules

iv. Transfer of genes to new organisms

v. Repairing or replacing the defective genes by healthy genes

vi. Artificial synthesis of new gene


In PCR technique, the organism providing thermostable DNA polymerase is a ____________.


Lytic cycle involves bacteriophage and ____________.


Human insulin is produced by culturing the genetically engineered ______


Which of the following viruses has the capacity to produce lysozymes?


What is true for plasmid?


What is the significance of adding proteases at the time of isolation of genetic material (DNA)?


What is meant by gene cloning?


Write a short note on vectors.


What is EcoRI?


Expand YAC used in the field of Biotechnology.


Give a reason for the following:

The diagram given below represents vector pBr322 which was modified by a research scholar Dr. Rayon, but the vector was rejected by his guide.


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