The folded portion of mitochondrion is called? by Sunday | May 15 | Biology WAEC | 0 comments A. cristae B. cell membrane C. nucleolus D. partition Correct Answer: Option A A. cristae Users Also Read These:The liquid portion of the earth’s crust is called?Down folded layers of chalk or limestone sandwiched…The specific portion of a habitat which is occupied…The portion authorized capital made available to the…A firm that accepts a portion of the risk involved…