In a batch sterilization process if ∇overall , ∇heating & ∇cooling are 32.2, 9.8 & 10.1 respectively, then the holding time at 121ºC of the process is (given that the specific death rate (k) of microorganisms at 121ºC is 2.54 min-1 ):

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#Question id: 1672

#Section 2: General Biology

Using only random VDJ recombination, from 40 V, 23 D, and 6 J gene segments, what are the number of possible variable regions of an antigen receptor molecule?

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#Question id: 1673

#Section 2: General Biology

N-region insertion is associated with the expression of:

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#Question id: 1674

#Section 2: General Biology

Which of the following statements is TRUE of receptor editing?

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#Question id: 1675

#Section 2: General Biology

Somatic hypermutation of V genes:

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#Question id: 1676

#Section 2: General Biology

NK cells lack receptors with:

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#Question id: 1678

#Section 2: General Biology

What does the MHC class I heavy chain consists of?