Extraction LogicMediumQuestion 10505
Question
Why do proteins usually appear in the acid-insoluble fraction during biochemical analysis?
- ATheir large size and folded assemblies precipitate rather than remain dissolvedCorrect
- BThey are always gases
- CThey contain no carbon
- DThey are smaller than mineral ions
Correct answer
Their large size and folded assemblies precipitate rather than remain dissolved
Explanation
The acid-insoluble fraction enriches macromolecules and cellular assemblies rather than small soluble metabolites.