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The sulfur containing amino acids that are found in proteins are cysteine and methionine.

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15y ago

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Does hydrochloric acids have amino acids?

No, hydrochloric acid does not contain amino acids. Hydrochloric acid is a strong acid composed of hydrogen and chlorine atoms, whereas amino acids are organic compounds that contain an amino group and a carboxyl group.


What elements are always found in all protein molecules?

Some elements that are always present in amino acids are carbon, oxygen, and nitrogen. Hydrogen is also present in amino acids.


Amino acids which r is an h?

Glycine has one hydrogen atom as its R group.


What end arrangement is present in both amino acids and fatty acids?

Both amino acids and fatty acids contain a carboxyl group at one end of the molecule. This carboxyl group consists of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group (OH).


What is the subunit of an amino acid?

The subunit of an amino acid is an α-carbon atom bonded to an amino group, a carboxyl group, a hydrogen atom, and a side chain (R-group). The side chain varies among different amino acids and gives each amino acid its unique chemical properties.


Do amino acids have a central atom?

Amino acids do not have a central atom. They are organic compounds composed of carbon, hydrogen, oxygen, and nitrogen atoms, with some also containing sulfur. The central atom concept is more commonly associated with molecules of inorganic compounds.


What groups of atoms are common to all amino acids?

The various amino acids are distinguished by the substitution on the central carbon atom. All amino acids feature an amine group and a carboxylic acid.


What are the subunits of amino acids?

Amino acids are composed of an amino group, a carboxyl group, a hydrogen atom, and a side chain (R-group). The R-group varies among different amino acids and gives each amino acid its unique properties.


What is the difference between amino acids and peptides?

Amino acids are the building blocks of proteins, consisting of a central carbon atom bound to an amino group, carboxyl group, hydrogen atom, and a side chain. Peptides are short chains of amino acids linked together by peptide bonds. Peptides can vary in length, with dipeptides containing two amino acids, tripeptides containing three, and so on.


Are proteins carboxylic acids?

Proteins are polymer of amino acids. They contain both amino (-NH2) and carboxylic group (-COOH) as their main functional groups.With this the side chains specific for amino acids will attach and form poly peptides during protein synthesis.


Amino acids include a side group as well as?

a central carbon, a hydrogen atom, an amino group, and a carboxyl group


How do amino acids differ?

Amino acids differ according to their R groups. All amino acids have an amino group, a carboxyl group (organic acid), and a hydrogen atom attached to a central carbon atom. Also attached to the central carbon atom is an R group that varies according to the amino acid. Refer to the related links for illustrations.