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#Question id: 1740


Activation of resting B-cells by T-helper cells depends directly upon costimulatory interaction between:

#I Life Science/ Life Sciences Group – I-V
  1. CD40 and CD40L

  2. B7 and CD28

  3. B7 and CTLA-4

  4. CD4 and MHC class II


Answer:- Option(s): 1


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#Question id: 15269

#SCPH06 I Botany

The protein concentration in DNA extraction sample measured by

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#Question id: 5529

#SCPH06 I Botany

In humans, organogenesis in the embryo is basically accomplished by the end of which period of the pregnancy?

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#Question id: 449

#SCPH06 I Botany

The standard free-energy changes for the reactions below are given. Phosphocreatine -> creatine + Pi DG'° = –43.0 kJ/mol ATP ->  ADP + Pi DG'° = –30.5 kJ/mol What is the overall DG'° for the following reaction? Phosphocreatine + ADP -> creatine + ATP

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#Question id: 22949

#I Life Science/ Life Sciences Group – I-V

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?

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#Question id: 15231

#SCPH06 I Botany

Which of the following is true for Capillary electrophoresis (CE) resolution

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