TLS Online TPP Program

#Question id: 18786


Flow cytometry is based on light scattering and fluorescence, in which two types of scattering are used Forward light scattering and side scattering, in which forward determines……………while side determines the………….

#Unit 13. Methods in Biology
  1. both the scattering primarily determines the shape only
  2. both the scattering primarily determines the granularity only
  3. Forward scattering detect shape, size while side scattering detects granularity and complexity of the cell
  4. Forward scattering detects granularity and complexity, side scattering and detects detect shape of the cell
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TLS Online TPP Program

#Question id: 13148

#Unit 8. Inheritance Biology

During  a three point test cross is carried out. The parental cross was  AABBCC  X  aabbcc , the F1 progeny is AaBbCc. What will be the no. of given genotype in 100 progeny?
i) AaBbCc               ii) aaBbcc

TLS Online TPP Program

#Question id: 13149

#Unit 8. Inheritance Biology

A three point test cross was made between the  st^+-e^+-ss^+  and  st-e-ss , the genotype of the double cross over  will be;  st^+-e-ss^+  and st-e^+-ss. Based on this, determine the order of the genes.

TLS Online TPP Program

#Question id: 13150

#Unit 8. Inheritance Biology

A fruit fly Drosophila melanogaster showing  three point test cross  st+-e+-ss+  was crossed with triplet recessive mutant st-e-ss. The F1 hybrid  was the backcross with the recessive mutant and the phenotype recorded as follows;

The distance in map unit (mu) between  st+  to  e+ and e+ to ss+ is

TLS Online TPP Program

#Question id: 13151

#Unit 8. Inheritance Biology

A series of two-point crosses were carried out among five loci (a, b, c, d and e) producing the following recombination frequencies. Using these recombination frequencies, map these five loci, showing  their linkage groups, the order of the loci in each linkage group is;

What is the correct order of the loci?

TLS Online TPP Program

#Question id: 13153

#General Aptitude

The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is

TLS Online TPP Program

#Question id: 13154

#Unit 2. Cellular Organization

In starving cells, however, such degradation would deplete essential enzymes and regulatory proteins. Lysosomes therefore also have a selective pathway, which is activated only after a prolonged fast, that imports and degrades cytosolic proteins containing the pentapeptide  , the sequence is