Which of the following statements about mitochondria is correct based on ultrastructural and functional properties?
Show answer and explanation
Correct answer: They possess their own DNA and ribosomes and generate ATP by oxidative phosphorylation
Mitochondria are double-membraned organelles that contain their own DNA and ribosomes; they produce ATP by oxidative phosphorylation — their inner membrane cristae hosting electron transport chain components.
Keep practicing
More Ultrastructure of cells questions
- Which structure is most directly involved in lipid synthesis and detoxification and would appear under EM as a network of smooth tubular me…
- Which ultrastructural feature would you expect to see in a cell that is highly active in secretion of glycosylated proteins (e.g., secretor…
- What advantage does TEM (transmission electron microscopy) provide over light microscopy for studying cell ultrastructure?
- Which of the following correctly matches organelle and its primary function, based on ultrastructural knowledge?
- Which organelle would you expect to be sparse or small in a cell that does not engage in lipid synthesis or detoxification (e.g., mature re…
- Which ultrastructural region of a eukaryotic cell is continuous with the perinuclear space and forms an extensive network throughout the cy…