What do '$X$' and '$Y$' represent in the given diagram of $pBR322$?

  • A
    $amp^R$ and $kan^R$
  • B
    $Bam\,H\,I$ and $Pvu\,I$
  • C
    $tet^R$ and $rop$
  • D
    $amp^R$ and $tet^R$

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Match the following columns:
Column-$I$Column-$II$
$(a)$ $EFB$$(1)$ Recognition sequence
$(b)$ Biotechnology$(2)$ Molecular scissors
$(c)$ Restriction enzyme$(3)$ Definition of biotechnology
$(d)$ Palindromic sequence$(4)$ Test tube baby

What color does $X-gal$ produce in the presence of $\beta$-galactosidase?

Match the following items in List-$I$ with List-$II$:
List-$I$List-$II$
$(a)$ Gel electrophoresis$(1)$ Amplification of gene of interest
$(b)$ $PCR$$(2)$ Separation of $DNA$ fragments
$(c)$ Bioreactor$(3)$ Plasmid
$(d)$ Cloning vector$(4)$ Production of desired product

Biotechnology is the modern branch of biology which deals with

Match the organism with its use in biotechnology:
$(a)$ Bacillus thuringiensis$(i)$ Cloning vector
$(b)$ Thermus aquaticus$(ii)$ Construction of first rDNA molecule
$(c)$ Agrobacterium tumefaciens$(iii)$ $DNA$ polymerase
$(d)$ Salmonella typhimurium$(iv)$ Cry proteins

$(a)\quad (b)\quad (c)\quad (d)$

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