Answer: Option B) is a foreign molecule that evokes a specific response by a lymphocyte
Explanation:
An antigen is a large, foreign molecule (such as a protein) that stimulates the host organism to secrete lymphocytes and specific antibodies that bind to the foreign molecule, labelling it as foreign and destined for destruction.
It makes sense that cell membranes are made of phospholipids because water cant mix in with lipids, so the phospholipids will be able to effectively block out any unwanted water or chemicals suspended in water outside of the cell.
