In a watery environment polar amino acids want to have contact with

1 answer:

6 0

Polar amino acids tend to be hydrophilic, meaning that they bond to water. These are those that establish hydrogen bonds to water. They are considered polar because they have a R group that's hydrophilic. Because of this characteristic, in a protein they tend to a be a at the surface maintaining contact with the surrounding solutions. The most common polar amino acids are: arginine, lysine, glutamic acid, and aspartic acid.

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Spines are hard, needle-like anatomical structures found in both vertebrate and invertebrate species.
The spines of most spiny mammals are modified hairs, with a spongy center covered in a thick, hard layer of keratin and a sharp tip.
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Spines are also important tools for communication, shock absorption, and rain protection.
Animals like porcupine shoot their spines (quills) for defense. Some spines can also pass through gloves.
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