TLS Online TPP Program

#Question id: 18716


Function of B-mercaptoethanol in SDS-PAGE is

#Part-A Aptitude & General Biotechnology
  1. To give negative charges to amino acids in the proteins
  2. For the oxidation of disulfide bonds in the proteins
  3. For breaking hydrogen bonds in the proteins
  4. For the reduction of disulphide bonds in the proteins
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TLS Online TPP Program

#Question id: 19791

#Part-A Aptitude & General Biotechnology

Which of the following statements about polymerase chain reaction is correct?
a) PCR denaturation temperature calculated by using Y = X (1+E)n
b) Size of the primer negatively affects the efficiency of PCR
c) Standard PCR doesn’t efficiently amplify sequence much longer than about 5kb.
d) Primer annealing of PCR at 550C for 1.5 min.
e) Time taken for each cycle of PCR considerably longer than 3 min.

TLS Online TPP Program

#Question id: 19791

#Part-A Aptitude & General Biotechnology

Which of the following statements about polymerase chain reaction is correct?
a) PCR denaturation temperature calculated by using Y = X (1+E)n
b) Size of the primer negatively affects the efficiency of PCR
c) Standard PCR doesn’t efficiently amplify sequence much longer than about 5kb.
d) Primer annealing of PCR at 550C for 1.5 min.
e) Time taken for each cycle of PCR considerably longer than 3 min.

TLS Online TPP Program

#Question id: 19840

#Part-A Aptitude & General Biotechnology

Match the following source of thermostable DNA polymerase with proofreading (3’−5’ exonuclease) activity;

DNA PolymeraseSources
A- Tmai) Pyrococcus furiosus
B- Deep Vent™ii) Pyrococcus woesi
C- Tliiii) Thermotoga maritima
D- Pfuiv) Pyrococcus sp.
E- Pwov) Thermococcus litoralis

TLS Online TPP Program

#Question id: 19840

#Part-A Aptitude & General Biotechnology

Match the following source of thermostable DNA polymerase with proofreading (3’−5’ exonuclease) activity;

DNA PolymeraseSources
A- Tmai) Pyrococcus furiosus
B- Deep Vent™ii) Pyrococcus woesi
C- Tliiii) Thermotoga maritima
D- Pfuiv) Pyrococcus sp.
E- Pwov) Thermococcus litoralis

TLS Online TPP Program

#Question id: 19841

#Part-A Aptitude & General Biotechnology

Which of the following is true regarding Reverse transcriptase ?

TLS Online TPP Program

#Question id: 19841

#Part-A Aptitude & General Biotechnology

Which of the following is true regarding Reverse transcriptase ?