Practice Questions

TLS Online TPP Program

#Question id: 11145

Two fundamental concepts about the ion channels of a "resting" neuron are that the channels ________.

#Part-B Specialized Branches in Biotechnology

are always open, but the concentration gradients of ions frequently change
are always closed, but ions move closer to the channels during excitation
are open or closed depending on their type, and are specific as to which ion can traverse them
open in response to stimuli, and then close simultaneously, in unison

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TLS Online TPP Program

#Question id: 18778

#Part-A Aptitude & General Biotechnology

which of the following technique provides an unusually powerful technology for the quantitative analysis and sorting of cell populations labelled with one or more fluorescent antibodies.

TLS Online TPP Program

#Question id: 3615

#Part-A Aptitude & General Biotechnology

What are alleles?

TLS Online TPP Program

#Question id: 3021

#Part-B Specialized Branches in Biotechnology

The lag phase of the bacterial growth curve is marked by

TLS Online TPP Program

#Question id: 14148

#Part-B Specialized Branches in Biotechnology

Dynamic programming determines optimal alignment by matching two sequences for all possible pairs of characters between the two sequences.

Reason(R): Use of the dynamic programming method requires a scoring system to account for matches and mismatches between sequences, and a scheme for Gap penalties.

TLS Online TPP Program

#Question id: 5362

#Part-B Specialized Branches in Biotechnology

From the following select the possible mode of inheritance and the probability that the daughter in generation III will show the trait.