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Maximum number of existing transgenic animals is of 

  • mice 

  • cow

  • pig

  • pig


A.

mice 

animals that have had their DNA manipulated to possess and express an extra (foreign) gene are known as transgenic animals. e.g, rats,rabbits, pig, sheep, cows, fish etc. Over 95% of all eisting transgenic animals are mice.

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Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?

  • A: Triglycerid e- major - source of energy

  • B: Uracil - a component of DNA

  • A - Lecithin - a component of cell membrane

  • A - Lecithin - a component of cell membrane


Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it?
5' ______ GAATTC ________ 3'
3'________CTTAAG ________ 5'

  • Deletion mutation

  • Start codon at the 5'end

  • Palindromic sequence of base pairs

  • Palindromic sequence of base pairs


There is a restriction endonuclease called Eco RI. What does 'co' part in it stand for?

  • Coelom

  • Coenzyme

  • coli

  • coli


Agarose extracted from sea weeds finds use in

  • tissue culture

  • PCR

  • gel electrophoresis

  • gel electrophoresis


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