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The sulfur containing amino acids that are found in proteins are cysteine and methionine.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agolower sulphur containing amino acids are methionine, cysteine and also its oxidized form, cystine.
Wiki User
∙ 15y agoCysteine is the only one I know.
Wiki User
∙ 9y agoMethionine and cysteine
Wiki User
∙ 13y agomethionine and cysteine
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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.
Does hydrochloric acids have amino acids?
Hydrochloric acid is made up of a hydrogen and one cholride atom i.e, HCl. So there is no chance to have a amino acid in HCl.
Is thymine an amino acid?
No, it is NOT, although it is often claimed to be. It is a sulfonic acid, but NOT an amino acid. Why not, you may ask? This is due to the scientific definition of how an amino acid has to be composed: Amino acids are defined as organic acids with an amino group (-NH2) and a carboxy group (-COOH) attached to a chain of carbon atoms of varying length. A look a the structural formula of taurine shows that this is clearly not the case: The hydroxy group (-OH) as well as the doubly bonded oxygen are attached to a sulfur atom and not to a carbon atom.
What elements make up the amino group?
Chemical molecules.Amino acids have a two-carbon bond. One of the carbons is part of a group called the carboxyl group. A carboxyl group is made up of one carbon (C), two oxygens (O), and one hydrogen atom (H). The carboxyl group is acidic. The second carbon is a part of the amino group. Amino means there is an NH2 group bonded to the carbon atom.
Do amino acids have a central atom?
Yes. The alpha carbon, from where the amino group, the carboxylic group and the side chain (or R group) are attached.
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.
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.
What elements are amino acids made of?
Amino acids, the building blocks which comprise proteins, are made up of an asymmetric alpha carbon atom at their center, an amino group, a hydrogen atom, a carboxyl group, and a R side chain that differs with each amino acid. The R side chain helps to determine whether the amino acid is nonpolar and hydrophobic, polar and hydrophilic, or electrically charged and hydrophilic.
How do individual 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.
How do 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.
Why is sulfur essential for living things?
Sulfur is found in the bonds between certain amino acids- which are the chemical building blocks of proteins. The body uses 20 different amino acids in various sequences and lengths to make all of its proteins. The amino acids cysteine and methionine has a S atom in it. Two cysteine residues can therefore join together via their S atoms to form a disulphide bond. This bond makes proteins stronger, e.g keratin in hair and nails. Also proteins and other componds with biochemical importance contain sulfur.
What are amino acids?
Amino acids are organic molecules that contain both a basic amino group and an acidic carboxyl group linked to an alpha carbon. The alpha-amino acids, in which the amino group is attached to the alpha carbon, are the building blocks of peptides and proteins. The amino acids are commonly classified either as a) neutral, basic, or acidic, or as b) nonpolar, polar and uncharged, or polar and charged; the presence or absence of a charge on the amino acids refers to that at pH 7.0
What are the similarity between a sulfur atom and a sulfur molecule?
A sulfur molecule contain more atoms.
What are the similarities between a sulfur atom and a sulfur molecule?
A sulfur molecule contain more atoms.
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.
What part of an amino acid that makes it different from other amino acids?
The remainder group or R Group. An amino acid is constituted by the amine group, the carboxylic acid group, and the side chain (AKA Remainder group). It's the chemistry of the side chain that makes an amino acid unique from the other amino acids.
What makes up protein what are the subunits called and what bonds them together?
Proteins are made up of amino acids. The bond between amino acids is called a peptide bond, which occurs between the carbon atom of the carboxyl group of one amino acid and the nitrogen atom of the amino group of another amino acid. Please see the related link to see an illustration of two amino acids bonding to form a peptide bond.
