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Amino acids are (relatively) small molecules with a similar chemical structure. All of them have 2 carbon atoms connected to a nitrogen atom. This similar structure allows them to combine in long chains to make macromolecules called proteins.

How many different amino acids are there?

A. 4

B. 20

C. 5

D. Thousands

Sagot :

Answer:

The correct answer is 20...

Explanation:

The name of these 20 common amino acids is as follows: alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalaine, proline, serine, threonine, tryptophan, tyrosine, and valine. Alanine.

Although their is 20 altogether their is only 9 main essential ones:

The 9 essential amino acids are leucine, iso-leucine, valine (all BCAAs), lysine, histidine, phenylalanine, methionine, threonine, and tryptophan. Essentials amino acids are important because they serve as the "building blocks" for muscle protein. They are also are what makes a protein a "complete" protein.

dojac4t

Answer: 20

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