الانزيمات-1
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What is the difference between an<br />
enzyme and a protein?<br />
Protein<br />
Enzymes<br />
RNA<br />
•All enzymes are proteins except some RNAs<br />
• not all proteins are enzymes<br />
Most enzymes are three dimensional globular proteins<br />
(tertiary and quaternary structure).<br />
Some special RNA species also act as enzymes<br />
and are called Ribozymes e.g. hammerhead ribozyme.
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