Biology · Cell Structure and Function
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Inner surface of cristae, in the mitochondrial matrix have many small knob-like structures, which are actually:
- A
ATP synthetase
- B
Coenzyme Q
- C
Cytochromes
- D
Mesosomes
ATP synthase is a vital enzyme that synthesizes ATP by utilizing the proton gradient generated during cellular respiration, making it essential for energy production in both eukaryotic and prokaryotic cells.
This option is correct. ATP synthase is a vital enzyme that synthesizes ATP by utilizing the proton gradient generated during cellular respiration, making it essential for energy production in both eukaryotic and prokaryotic cells.
This option is incorrect. Coenzyme Q, also known as ubiquinone, is a lipid-soluble molecule that plays a crucial role in the electron transport chain (ETC) within mitochondria.
This option is incorrect. Cytochromes are a class of heme-containing proteins that play essential roles in electron transport and redox reactions within cells. They are primarily found in the mitochondria of eukaryotic cells and the plasma membranes of prokaryotic cells.
This option is incorrect. Mesosomes are infoldings of the plasma membrane found in certain prokaryotic cells, particularly in bacteria. They are often considered structures associated with the bacterial cell's internal organization.
Tagged under Biology · Cell Structure and Function · 2024