just checking - marking assignments (May/12/2005 )

Hi,
I'm supposed to be marking assignments on intellectual property, and i've got this one essay, and i should know, but don't. sorta. maybe.

penicillin is not a protein. i mean, there are penicillin binding proteins, but itself is not actually a protein, it's a compound, right?

It's not a protein .... you are correct.

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http://img.tfd.com/wiki/8/82/Penicillin-core.png