Multiple choice Which of the following is not a common feature of both mitochondria and chloroplasts? Semi-autonomous organelles Enveloped by two unit membranes Presence of thylakoid membranes Presence of circular DNA and three types of DNA Energy transducing organelles Reveal answer Fill a bubble to check yourself C Correct answer Explanation Chloroplast contains thylakoid membranes and pigment molecules, which are not found in mitochondria.