Proteins and their uses in the cell

Proteins argon large complex molecules which argon major construction blocks of all living organisms. Proteins are organic molecules. Enzymes are a type of protein which acts as a catalyst within reactions.

Proteins are made up of aminic acids. The structure of proteins are at sea down into several categories. First is primary structure, which is the sequence of amino acids within the protein. The amino acids are held together by peptide bonds, in which the amino assemblage bonds to the carboxyl group, and are bonded using desiccation synthesis. This sequence is determined by the desoxyribonucleic acid. Second is the secondary structure, which is around basic common shapes that are found within a protein. The alpha helix and beta sheet are the ii main examples of this. There can be many of some(prenominal) of these within a protein. Tertiary structure can?t be described as a single shape, it is fundamentally a glob. Tertiary structure is the shape of the single protein. The ordinal structure can not be estimated because there are so many ways it could fold. Folds are determined by attraction between molecules within different amino acids. sometimes two proteins combine, the structure of scenario is called quaternary structure. The shape of the protein dictates its function.



Proteins can channelise there shape, such as enzymes, which slightly alter their vigorous site to fit the substrate.

Proteins are made up of amino acids, which the sequence of is determined by the codons of the DNA. A codon is a group of three bases of DNA which code for a specific amino acid. The amino acids make up a polypeptide chain, forming the protein. The section of DNA that is needed is unwound and read by RNA polymerase, which makes messenger RNA. The messenger RNA has its introns removed and is sent out of the...

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