Any cell can contain what which are specialized structures that carry out specific functions

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.

answer: dna

because all cells have genes