How do amino acids react to water and oil?

Answer 1

Amino acids are diprotic and triprotic acids that undergo only protonation and deprotonation reactions in water, making them relatively unreactive in and of themselves.

Apart from the acidic portions, oils don't have any reactive groups and are generally very unreactive. A protein will unfold in oil, but that's not a chemical reaction.

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Answer 2

Vivian Aronson

Since amino acids are polar molecules and water is a nonpolar substance, amino acids are soluble in water because of their polarity, which enables them to form hydrogen bonds with water molecules. On the other hand, because oil is nonpolar, some amino acids with long hydrophobic side chains can interact with nonpolar substances like oil.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.