The synthesis of proteins is directed by DNA or genetic RNA, where DNA is absent. The basic information for the polypeptide structure is stored in the polynucleotide chain. The base sequence in the codon determines the amino acids sequence in a particular polynucleotide. In general, there are three views regarding the flow of genetic information […]
Synthesis of Protein (With Diagram)
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Maturation of mRNA from HnRNA | Plant Physiology
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In this article we will discuss about the maturation of mRNA from HnRNA. In higher organisms, within the nucleus, heterogenous nuclear RNA (HnRNA) or high molecular weight RNA (HMW RNA) or DNA-like-RNA (dRNA) is synthesized. These molecules are larger than mRNA and used in cytoplasm. Polymerase-I is added at 3′-end of HnRNA. Subsequently mRNA molecule […]
Amino Acids—Synthesis and Degradation | Plant Physiology
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In this article we will discuss about the synthesis and degradation of amino acids. When a protein is hydrolyzed as many as 20 amino acids of different kinds are produced. These are protein amino acids. In addition non-protein amino acids are also present but they do not form structural components of proteins. The details of […]
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