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Biotechnology : Principles and Processes

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

A gene whose expression helps to identify transformed cell is known as

  • Selectable marker

  • Vector

  • Plasmid

  • Structural gene


Selectable marker

1131 Views . 7 Shares

What are BACs and YACs ?

BACs and YACs are artificial chromosomes from bacteria and yeast used for efficient gene transfer and gene sequencing.
970 Views . 8 Shares

What is the role of restriction endonuclease ?

Restriction endonucleases are specific enzymes which can cleave double stranded DNA at specific sites called recognition sequences. Restriction endonucleases provide protection to the bacteria by restricting the growth of bacteriophages. They also serve as tools for Recombinant DNA technology.

833 Views . 12 Shares

Name the soil bacterium which contain gene for production of endotoxins.

Bacillus thuringiensis.
819 Views . 10 Shares

What is genetic engineering ?

Genetic engineering is a technique for artificially and deliberately modifying DNA (genes) to suit human needs. It is used to change the genetic makeup of the cells by using Recombinant DNA technology 
1228 Views . 3 Shares

Define recombinant DNA.

Recombinant DNA is the artificially created DNA which incorporates DNA segments from different sources into one.
852 Views . 6 Shares

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