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2025-02-01

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Johan Dahlin
2025-11-29 23:05:34 +01:00
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content/Biokemi/Gamla tentor/2025-02-01/14.md
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@@ -4,3 +4,13 @@ tags:
- biokemi
- provfråga
---
**Uppgift**
Aminoacyl-tRNA synthetases have an activation site and an editing site. Account for their function in translation. (4p) Please answer this question in English.
**Answer**
The activation site of the Aminoacyl-tRNA synthetase is responsible for adding an amino acid to the tRNA that carries the right anticodon. The binding of the amino acid and tRNA is then controlled by the editing site. If the wrong amino acid is added, the binding between the amino acid and tRNA is cleaved, and a new amino acid gets added by the activation site to the tRNA.
Ord: 68
Totalpoäng: 4