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#Question id: 164


The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5).  In an aqueous solution, pH = 7.0, selenocysteine would:

#Section 2: General Biology
  1. be a fully ionized zwitterion with -1 net charge

  2. be found in proteins as D-selenocysteine.

  3. never be found in a protein.

  4. be nonionic.


Answer:- Option(s): 1


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#Question id: 1652

#Section 2: General Biology

With reference to the variable Ig domain, which of the following statements is FALSE?

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#Question id: 1653

#Section 2: General Biology

Which of the following statements does NOT apply to IgG?

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#Question id: 1654

#Section 2: General Biology

The low affinity FcγRII IgG receptor:

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#Question id: 1655

#Section 2: General Biology

IgA in seromucus secretions:

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#Question id: 1656

#Section 2: General Biology

Which of the following statements is TRUE of IgM?

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#Question id: 1657

#Section 2: General Biology

Which of the following statements is TRUE of IgD?

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