B. their fuction is a result of their shape and folding
Answer:
In mitochandia and cytoplasm
Explanation:
mitochandira is the eukaryotic cell structure where cellular respiration occure.
cytoplasm is jelly like matterial found between plasma membrane and nuclear envelople it has organelles for performing respiration.
It’s very confusing sorry for that
They all develop gills, slits and tails