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How many different amino acids are used in human proteins?

User Barryku
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2 Answers

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20 amino acids make up the proteins found in the human body.
User Neoteknic
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Answer:

20 amino acids

Step-by-step explanation:

500 amino acids have been identified in nature, but just 20 amino acids make up the proteins found in the human body.

User Rayworks
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