TLS Online TPP Program

#Question id: 1365


Which of the following best describes the structure of integrins?

#Unit 4. Cell Communication and Cell Signaling
  1. Integrins cluster in cis until coming into contact with another cell, where a trans network forms.

  2. Integrins are homodimers of subunits expressed in a cell-type specific manner,

  3. A single integrin subunit forms heterophilic interactions with fibronectin and laminin.

  4. Integrins are heterodimers composed of alpha and beta subunits.