A lucky man finds 6 pots of gold coins . He counts the coins in the first four pots to be 60,30,20, and 15 respectively . If there is a definite progression , what would be the numbers of coins in the next two pots?

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#Question id: 18777

#Part-A Aptitude & General Biotechnology

which of the following technique using antibodies labelled with fluorescent molecules can be used to visualize antigen on or within cells.

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: 18779

#Part-A Aptitude & General Biotechnology

Flow-cytometric analysis for the detection and measurement of subpopulations of leukocytes, including those of leukaemia, is usually performed using monoclonal antibodies. Why is this the case?

Choose whether each of the following statements is true 

a) Indirect immunofluorescence is a more sensitive technique than direct immunofluorescence

b) Most antigens induce a polyclonal response. 

c) For precipitation to occur, both antigen and antibody must be multivalent.

d) ELISA tests using chemiluminescence are more sensitive than chromogenic ones and precipitation tests are more sensitive than agglutination tests

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#Question id: 18780

#Part-A Aptitude & General Biotechnology

Which of the following does not participate in the formation of antigen-antibody complexes?

TLS Online TPP Program

#Question id: 18781

#Part-A Aptitude & General Biotechnology

In which of the following case a large lattice is formed?

TLS Online TPP Program

#Question id: 18782

#Part-A Aptitude & General Biotechnology

The concentration of a small amount antibodies 2 μg antibody/ml can be detected