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TLS Online TPP Program

#Question id: 11130

Which of the following electrical events is characteristic of inhibitory synaptic interactions?

#Part-B Specialized Branches in Biotechnology
  1. A neurotransmitter agent that selectively opens ligand-gated chloride channels is the basis for an inhibitory postsynaptic potential
  2. Because the Nernst potential for chloride is about −70 mV, chloride ions tend to move out of the cell along its electrochemical gradient
  3. A neurotransmitter that selectively opens potassium channels will allow potassium to move into the cell
  4. An increase in the extracellular sodium concentration usually leads directly to an inhibitory postsynaptic potential
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TLS Online TPP Program

#Question id: 5741

#Part-A Aptitude & General Biotechnology

In a mammal 2 Barr bodies are observed.  How many X chromosomes does the organism have?
TLS Online TPP Program

#Question id: 1566

#Part-A Aptitude & General Biotechnology

Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?
TLS Online TPP Program

#Question id: 11855

#Part-A Aptitude & General Biotechnology

The least number which when divided by 5,6,7 and 8 leaves a reminder 3, but when divided by 9 leaves no reminder is.
TLS Online TPP Program

#Question id: 18938

#Part-A Aptitude & General Biotechnology

If the sequence of at least the end portions of a DNA segment of interest is known, the number of copies of that DNA segment can be hugely amplified with the 
TLS Online TPP Program

#Question id: 5302

#Part-B Specialized Branches in Biotechnology

Using modern techniques of sequencing by synthesis and the shotgun approach, sequences are assembled into chromosomes by ________.