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#Question id: 1764


Which of the following is NOT a feature of germinal center B-cells?

#XL - Q Biochemistry
  1. Immunoglobulin gene class switching

  2. Apoptosis

  3. Initial VDJ rearrangement

  4. Somatic hypermutation


Answer:- Option(s): 3


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#Question id: 3849

#XL - Q Biochemistry

Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.

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#Question id: 3850

#XL - Q Biochemistry

The RNA molecule produced in RNA synthesis is:

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#Question id: 3851

#XL - Q Biochemistry

Transcription is initiated at sites called:

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#Question id: 3852

#XL - Q Biochemistry

Which of the following is NOT one of the three stages of transcription?

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#Question id: 3853

#XL - Q Biochemistry

In E. coli, promoter sequences are located at which of the following position(s) on the template strand?

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#Question id: 3854

#XL - Q Biochemistry

In prokaryotes, the presence of a protein called rho will:

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