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#Question id: 1563


A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.

#Zoology
  1. respond to circulating viral antigens

  2. lyse tumor cells

  3. stimulate a cytotoxic T cell

  4. interact with a class II MHC-antigen complex


Answer:- Option(s): 4


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#Question id: 38094

#Plant Biotechnology

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#Plant Biotechnology

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#Question id: 38096

#Plant Biotechnology

Selection of resistant cell lines using somaclonal variation involves:

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#Plant Biotechnology

The primary advantage of somaclonal variation in plant breeding is its use in:

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#Question id: 38618

#Plant Biotechnology

Q.  The mechanical method of protoplast isolation primarily involves which of the following principle 

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#Question id: 38626

#Plant Biotechnology

Q. Why are meristematic cells considered unsuitable for mechanical protoplast isolation?

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