Multiple choice Which of the following statements is incorrect? Green algae are eukaryotic organisms. Green algae contains sulfated polysaccharides. The green algae have served as model experimental organisms to understand the mechanisms of osmoregulation. All green algae have mitochondria with curved cristae. Green algae have chloroplasts that contain chlorophyll a and chlorophyll b. Reveal answer Fill a bubble to check yourself D Correct answer Explanation All green algae have mitochondria with flat cristae. When present, paired flagella are used to move the cell. They are anchored by a cross-shaped system of microtubules and fibrous strands.