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In the inner membrane of mitochondria, there is one protein molecule for approximately every _______(a) 15 phospholipids(b) 25 phospholipids(c) 5 phospholipids(d) 10 phospholipidsThe question was asked in semester exam.Enquiry is from Mitochondrial Structure and Function topic in portion Mitochondrial Structure and Function of Cell Biology

Answer»

Correct choice is (a) 15 phospholipids

For explanation: The inner membrane contains more than 100 different polypeptides and has a very HIGH PROTEIN to lipid ratio. The protein content EXCEEDS 70% by weight. This corresponds to about one protein molecule for every 15 phospholipids.



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