Multiple choice Which of the following is not correctly matched? Photorespiration - Peroxisome ATP Synthesis - Ribosome Production of ribosomal subunits - Nucleolus Maintaining structure of the cell - Microtubules Increasing surface area of plasma membrane - Mesosome Reveal answer Fill a bubble to check yourself B Correct answer Explanation The mitochondria play a central role in making chemical energy available to the cell (ATP Synthesis). Ribosomes are the sites for protein synthesis.