The β-Sheet is formed mainly by a. hydrophobic interaction b. hydrogen bonding between the peptide bond and water c. hydrogen bonding between two strands d. hydrogen bonding of the side chains e. disulfide bonding
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.
The β-Sheet is formed mainly by
hydrophobic interaction
hydrogen bonding between the peptide bond and water
hydrogen bonding between two strands
hydrogen bonding of the side chains
disulfide bonding
Alpha-helix and beta-sheets are regular secondary structures that are mainly found in protein structures. Alpha-helix is a coiled arrangement of a polypeptide chain, while beta-sheet is composed of polypeptide chains that are arranged in a parallel or antiparallel manner. Loops and turn are irregular secondary structures that connects the regular secondary structures. Proteins can be composed of either alpha-helix or beta-sheets or both.
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