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Extranuclear inheritance or cytoplasmic inheritance is the transmission of genes that occur outside the nucleus. It is found in most eukaryotes and is commonly known to occur in cytoplasmic organelles such as mitochondria and chloroplasts or from cellular parasites like viruses or bacteria .
Mitochondrial DNA (mtDNA) was found in the malaria parasite. [48] There are two forms of extrachromosomal DNA found in the malaria parasites. One of these is 6-kb linear DNA and the second is 35-kb circular DNA. These DNA molecules have been researched as potential nucleotide target sites for antibiotics. [49]
Although the transfer of a number of genes from these organelles to the nucleus prevents them from living independently, each still possesses genetic material in the form of double stranded DNA. [citation needed] It is the transmission of this organellar DNA that is responsible for the phenomenon of extranuclear inheritance. Both chloroplasts ...
Nuclear DNA is a nucleic acid, a polymeric biomolecule or biopolymer, found in the nucleus of eukaryotic cells.Its structure is a double helix, with two strands wound around each other, a structure first described by Francis Crick and James D. Watson (1953) using data collected by Rosalind Franklin.
DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are biomolecular cousins that are fundamental molecules in cell biology. DNA contains an organism's genetic code.
The four bases found in DNA are adenine (A), cytosine (C), guanine (G) and thymine (T). These four bases are attached to the sugar-phosphate to form the complete nucleotide, as shown for adenosine monophosphate. Adenine pairs with thymine and guanine pairs with cytosine, forming A-T and G-C base pairs. [17] [18]
The report also found the following: - 10 percent of vegetarian products contained meat; - Labels of some vegetarian products exaggerated the amount of protein in the item by as much as 2.5 times.
The exact cause of Alzheimer’s disease has long evaded scientists, but experts typically suggest there are likely several factors (like genetics, environment, and lifestyle) that contribute to ...