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Eukayotic mRNA molecules are monocistronic, containing the coding sequence alone for i polypeptide. In prokaryotes private bacterial mRNA molecules are polycistronic having transcripts of several genes of a detail metabolic pathway.   Polycistronic mRNA vs  Monocistronic mRNA Polycistronic mRNA  1. Contains codons of a to a greater extent than than i cistron. 2. Codes alone for to a greater extent than than i protein. 3. Is transcribed from a to a greater extent than than i cistron (cistron) in addition to has every bit many every bit initiation in addition to final result codons. 4. Present inwards prokaryotes. Monocistronic mRNA 1. Contains codons of a unmarried cistron. 2. Codes alone for a unmarried protein. 3. Is transcribed from a unmarried cistron (cistron) in addition to has i initiation in addition to final result codon. 4. Present inwards eukaryotes.

Both mitochondrion as well as chloroplast are semi autonomous organelles alongside DNA. Majority of proteins required for mitochondrion as well as chloroplast are coded past times genes of the nucleus. Only around proteins are coded past times the deoxyribonucleic acid of mitochondrion as well as chloroplast. That is why; these organelles are called every bit semi-autonomous organelles. Mitochondrial DNA 1. Mitochondrial deoxyribonucleic acid is called every bit mt deoxyribonucleic acid which is double stranded, circular as well as non covered past times a membrane. 2. Size varies betwixt species · Human mt deoxyribonucleic acid xvi Kb (16569 bp) · Plant jail cellular telephone mt deoxyribonucleic acid 200 kb-2500kb 3. Typically dozens of copies of deoxyribonucleic acid inwards each mitochondria 4. Animal mitochondrial genome contains 37 genes that encode thirteen proteins, 22 tRNAs, as well as two rRNAs The thirteen mitochondrial genes codes for poly peptide subu...