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In the human genome, which, according to January 2013 estimates, has about 20,848 protein coding genes [32] in total, there are 497 nuclear genes encoding cytoplasmic tRNA molecules, and 324 tRNA-derived pseudogenes—tRNA genes thought to be no longer functional [33] (although pseudo tRNAs have been shown to be involved in antibiotic ...
Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...
Schematic karyogram showing the human genome, with 23 chromosome pairs, and the human mitochondrial genome to scale at bottom left (annotated "MT"). Its genome is relatively tiny compared to the rest, and its copy number per human cell varies from 0 (erythrocytes) [1] up to 1,500,000 . [2
Involved in orgasm, trust between people, [2] and circadian homeostasis (body temperature, activity level, wakefulness). [3] 50 Pancreatic polypeptide: Peptide: Pancreas: PP cells: pancreatic polypeptide receptor 1: Self-regulation of pancreatic secretions (endocrine and exocrine). It also affects hepatic glycogen levels and gastrointestinal ...
•List of human protein-coding genes page 2 covers genes EPHA1–MTMR3 •List of human protein-coding genes page 3 covers genes MTMR4–SLC17A7 •List of human protein-coding genes page 4 covers genes SLC17A8–ZZZ3 NB: Each list page contains 5000 human protein-coding genes, sorted alphanumerically by the HGNC-approved gene symbol.
The adult human body is estimated to contain about 30 trillion (3×10 13) human cells, with the number varying between 20 and 100 trillion depending on factors such as sex, age, and weight. Additionally, there are approximately an equal number of bacterial cells.
There are more than 100 other naturally occurring modified nucleosides. [22] The greatest structural diversity of modifications can be found in tRNA, [23] while pseudouridine and nucleosides with 2'-O-methylribose often present in rRNA are the most common. [24] The specific roles of many of these modifications in RNA are not fully understood.
small Cajal body-specific RNA RF00553: scnRNA small-scan RNA - scRNA small cytoplasmic RNA - scRNA: small conditional RNA - SgrS RNA: sugar transport-related sRNA RF00534: Small RNA that is activated by SgrR in Escherichia coli during glucose-phosphate stress shRNA: short hairpin RNA - siRNA: small interfering RNA - SL RNA spliced leader RNA ...