A Protein That Produces an Immune Response
This page is the CodyCross answer for the clue below from Trip to Spain, Group 858, Puzzle 1 (Hand Painted Fans).
Question is: A Protein That Produces an Immune Response
and the answer is: ANTIBODY
Word Meaning:
ANTIBODY — (immunology) A protein produced by B-lymphocytes that binds to a specific antigen.
Definitions from Wiktionary.