During a tissue transplant, the recipient's immune system identifies the donor cells as foreign. Which surface structure is primarily responsible for this recognition?
Q1. During a tissue transplant, the recipient's immune system identifies the donor cells as foreign. Which surface structure is primarily responsible for this recognition?
Answer: Glycocalyx
Explanation: The glycocalyx, composed of glycolipids and glycoproteins, acts as a biological marker for cell-to-cell recognition and immune response.