Transmembrane Adhesive Heterodimeric Proteins, Composed of an a and a ß

question 3

Multiple Choice

Transmembrane adhesive heterodimeric proteins, composed of an a and a ß chain, are expressed on activated leukocytes during inflammation. They bind primarily to intercellular adhesion molecule 1 (ICAM-1) and vascular cell adhesion molecule 1 (VCAM-1) , both of which belong to the family of proteins known as

• A) selectins
• B) integrins
• C) immunoglobulins
• D) lectins
• E) growth factors

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