Which of the following contains the largest number of r groups? Which contains sulfur? Please explain- thank you! Tyr-Lys-Met Gly-Pro-Ara Asp-Trp-tvr V Asp-His-Glu Leu-Val-Phe His-Ala-His
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
Amino acids are basic subunits of proteins/peptides. The alpha carbon of amino acids contains amine group, carboxyl group and side chain group. Based on the side chain groups amino acids can be polar, uncharged polar and non-polar amino acids. Polar amino acids can be acidic (His, Arg and Lys) and basic (Asp and Glu). Uncharged polar amino acids are Serine, threonine, asparagine, glutamine and cysteine. Non-polar amino acids can be alanine, leucine (Leu), isoleucine, proline, tryptophan, valine, phenylalanine, and methionine.
Cys and Met are sulphur containing amino acids. Trp, Tyr and Phe are aromatic acids and bulkiest amino acids. Aliphatic chain containing amino acids are Gly, Ala, Val, Leu, Ile, and Pro. Gln and Asn are amide side chain group containing amino acids.
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