TLS Online TPP Program

#Question id: 19155


which one of the following chromatographic technique is most suitable for separating glu-Cosamine from glucuronic acid ?

#Part-A Aptitude & General Biotechnology
  1. Affinity chromatography
  2. lon exchange
  3. Molecular exclusion
  4. Hydrophobic chromatography
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TLS Online TPP Program

#Question id: 18959

#Part-A Aptitude & General Biotechnology

 Vectors used for construction of genomic libraries, and their capacity is given match them correctly
A- λ EMBL series                                                                                   I - 300kb - 1,400 kb
B - Cosmids                                                                                                 II - 45 kb
C – BACs and YACs (high capacity vectors)                                             III - 20kb

TLS Online TPP Program

#Question id: 18960

#Part-A Aptitude & General Biotechnology

cDNA library do not require very large vectors hence which of the following is commonly used in cDNA library

TLS Online TPP Program

#Question id: 18961

#Part-A Aptitude & General Biotechnology

When a cDNA library is generated by first removing those mRNA or cDNA sequences that are common to two sources, e.g., two different Cell types, such a library is called 

TLS Online TPP Program

#Question id: 18962

#Part-A Aptitude & General Biotechnology

1. Presence of oncogenes (iaaM, iaaH and ipt) in T-DNA,

2. Their large size makes the handling procedures during cloning tedious and cumbersome

3. A general lack of unique cloning sites within the T-DNA, which are needed for the insertion of DNA segments to be cloned.

These three problems have been resolved by deleting 

TLS Online TPP Program

#Question id: 18964

#Part-A Aptitude & General Biotechnology

Size of agrobacterium can be reduced by binary vector formation; these binary vectors can be formed by phenomenon of

TLS Online TPP Program

#Question id: 18978

#Part-A Aptitude & General Biotechnology

For expression vector