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TLS Online TPP Program

#Question id: 3672

During initiation of replication

#XL - S Microbiology

  1. DNA polymerases denature A-T rich sequences at the origin.

  2. replication begins when DnaA protein binds the origin and synthesizes primers.

  3. DnaB protein cleaves the double-helix to produce template strands.

  4. two replication forks need to be created to establish bidirectional replication.

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TLS Online TPP Program

#Question id: 15232

#XL - Q Biochemistry

Phenomenon of Smiling Effect and Phenomenon of Venetian Blind Effect is largely applicable in 
A) Gel Electrophoresis
B) PAGE
C) Free Solution
D) Capillary
TLS Online TPP Program

#Question id: 15237

#XL - Q Biochemistry

Agarose gels are used for the electrophoresis of
A. Proteins
B. DNA
C. RNA
D. Amino acids
TLS Online TPP Program

#Question id: 15239

#XL - Q Biochemistry

Which of the following are the three important components of gel Electrophoresis 
a) Current applied
b) Buffer system used 
c) Gel concentration 
d) Surface of electrophoresis kit
TLS Online TPP Program

#Question id: 15248

#XL - S Microbiology

Which of the following groups of microorganism contain both  superoxide dismutase and catalase enzymes for growth?
TLS Online TPP Program

#Question id: 15249

#XL - S Microbiology

Halophiles have adapted so completely to ____________ conditions that they require high levels of ___________ to grow.
TLS Online TPP Program

#Question id: 15250

#XL - S Microbiology

Osmotolerant microorganisms can survive at extreme osmotic pressure because