The last day of a Century year can not be:

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#Question id: 18979

#Part-A Aptitude & General Biotechnology

For expression vector Strong and Regulatable Promoters are used which have

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#Question id: 10885

#Part-B Specialized Branches in Biotechnology

In a field experiment, autotrophs are provided a 14C-labelled carbon compound for photosynthesis. Radioactivity (14C) levels were then monitored at regular intervals in all the trophic levels. In which ecosystem is the radioactivity likely to be detected in longer time at the higher trophic level?

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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.

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#Question id: 4151

#Part-A Aptitude & General Biotechnology

The signal sequences that direct proteins to the nucleus are:

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#Question id: 11291

#Part-B Specialized Branches in Biotechnology

A small lake has three trophic levels- phytoplankton (autotrophs), Zooplankton (herbivore) and planktivorous fish (primary carnivore). In this lake, addition of nutrients is allowed to study the 'bottom up' effects". What is the expected biomass of phytoplankton and zooplankton tropic levels?