Base Ingredient of Jello and Photographic Film
This page is the CodyCross answer for the clue below from Photography, Group 2005, Puzzle 4 (Tintype Photography).
Question is: Base Ingredient of Jello and Photographic Film
and the answer is: GELATIN
Word Meaning:
GELATIN — A protein derived through partial hydrolysis of the collagen extracted from animal skin, bones, cartilage, ligaments, etc.
Definitions from Wiktionary.