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#Question id: 1266


Integrins

#Section 3: Genetics, Cellular and Molecular Biology
  1. are heterodimeric proteins.          

  2. bind to the tripeptide sequence Arg-Gly-Asp (RGD).

  3. are expressed in a cell-specific manner.

  4. have high-affinity binding sites (KD > 10-9 mol/L) for their ligands.


Answer:- Option(s): 2


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#Question id: 604

#Section 2: General Biology

An enzyme is irreversibly inhibited by diisopropylfluorophosphate (DFP). What does this show?

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#Question id: 605

#Section 2: General Biology

Which statement is false about allosteric regulation?

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#Question id: 606

#Section 2: General Biology

Which statement is false about regulatory enzymes that are controlled allosterically?

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#Question id: 607

#Section 2: General Biology

In E. coli ________ is an activator and ________ is a negative allosteric modulator of the enzyme phosphofructokinase-1. 

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#Question id: 608

#Section 2: General Biology

The ʺTʺ state refers to the ________.

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#Question id: 609

#Section 2: General Biology

The ________ theory explains cooperative binding by suggesting all subunits of a given protein have the same conformation, either all R or all T.

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