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TLS Online TPP Program

#Question id: 11201

Why are action potentials usually conducted in one direction?

#Part-A Aptitude & General Biotechnology
  1. The nodes of Ranvier conduct potentials in one direction.
  2. The brief refractory period prevents reopening of voltage-gated sodium channels.
  3. The axon hillock has a higher membrane potential than the terminals of the axon.
  4. Voltage-gated channels for both Na+ and K+ open in only one direction.
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TLS Online TPP Program

#Question id: 19844

#Part-A Aptitude & General Biotechnology

Match the following column, which correctly represent the qPCR done by three methods and measure such as;

                  COLUMN I

                    COLUMN II

A) SYBR green

i) Annealing

B) Taqman Assay

ii) Denaturation

C) Molecular beacon

iii) pH

 

iv) Amplification

 

v) Extension

TLS Online TPP Program

#Question id: 887

#Part-A Aptitude & General Biotechnology

Polypeptides fold rapidly by a stepwise process, how does the polypeptide chain arrive at its native conformation?
TLS Online TPP Program

#Question id: 1554

#Part-B Specialized Branches in Biotechnology

Which domain of MHC-1 is interact with CD8 cell surface molecule found on TC cells.
TLS Online TPP Program

#Question id: 11908

#Part-B Specialized Branches in Biotechnology

What is the phenotype of a person who has XXXY sex chromosomes?
TLS Online TPP Program

#Question id: 18729

#Part-A Aptitude & General Biotechnology

Which of the following is not a function of DNA topoisomerase?