PLS I NEED HELP!! I GOT C, D, AND E WRONG CAN SOMEONE HELP ME GET THE CORRECT ANSWER?

What is the relation ship between structure and function in an organism

Mutations associated with albinism affect proteins involved in synthesis

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen