B cells negatively regulated by,

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#Question id: 14213

#Part-B Specialized Branches in Biotechnology

Which phase has the condition of specific growth rate “μ = 0”?

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#Question id: 18940

#Part-A Aptitude & General Biotechnology

which of the following permits the amplification of chosen segments of DNA or RNA for detailed study or cloning.

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#Question id: 12714

#Part-B Specialized Branches in Biotechnology

Physiological and biochemical perturbations in plants caused by fluctuations in the abiotic environment, given column I with environmental factor and with its effects in the form of primary effects  in column II and secondary effects  in column III

COLUMN I        (environmental factor )	COLUMN II            (primary effects)	COLUMN III         (secondary effects)
A) Water deficit	i) Hypoxia,  Anoxia	a) Membrane dysfunction
B) High temperature	ii) ROS production	b) Reduced cellular and metabolic activities, Leaf abscission, Ion cytotoxicity and Cavitation
C) Trace element toxicity	iii) Photo inhibition	c) Reduced respiration,     Fermentative metabolism,       Inadequate ATP production ,  ROS production and  Stomatal closure
D) Flooding and soil compaction	iv) Membrane destabilization	d) Inhibition of PSII repair
E) Chilling	v) Cell dehydration and Hydraulic resistance	e) Disruption of metabolism
F) High light intensity		f) Photosynthetic and respiratory inhibition, ROS production

Find out the correct combination of given above column;

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#Question id: 2956

#Part-A Aptitude & General Biotechnology

The product of the cdc2 gene is

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#Question id: 19874

#Part-A Aptitude & General Biotechnology

Adding homopolymer tails to the 3’ end of DNA by an enzyme such as