EK Biology Review book Q57

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EK Biology Review book Q57 (2007 edition)

Which of the following structures in found in prokaryotes?

I know they have a cell wall and ribosomes but they do not have a nucleus, mitochondria, ER, plasma membrane or any other kind of membrane bound organelles.

The answer explanation says that prokaryotes also have a plasma membrane without cholestrol and that's why choice D is the correct answer. I am confused about this.

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[brood910]

Prokaryotes have plasma memb..

 

[Sub Rosa]

Prokaryotes lack membrane-bound organelles, but they do have hopanoid-containing plasma membranes, similar to eukaryotes.

 

[sazerac]

Prokaryotes lack membrane-bound organelles, but they do have hopanoid-containing plasma membranes, similar to eukaryotes.

This is beyond the scope of the MCAT, but

http://en.wikipedia.org/wiki/Magnetosome

You can win a lot of bar bets with that kind of trivia

 

[Sub Rosa]

This is beyond the scope of the MCAT, but

http://en.wikipedia.org/wiki/Magnetosome

You can win a lot of bar bets with that kind of trivia

I'm a biochemistry major and I've never heard of that. Thanks for the heads up!