Multiple choice

In a human lymphatic system, the VLA molecules generally exist as

  1. homotrimers

  2. homodimers

  3. single chain molecules

  4. heterodimers with a common beta chain

  5. heterodimers with a common alpha chain
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The alpha chain is specific for each VLA molecule (for example, VLA-1 is an alpha1beta1 molecule whilst VLA-6 is an alpha6beta1 molecule).

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