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Download as PDF; Printable version; In other projects ... Pages in category "Nucleus diseases" The following 6 pages are in this category, out of 6 total.
These are transcribed in the nucleolus by RNA polymerase I. 45S is processed in the nucleus via 32S rRNA to 28S [6] and 5.8S, [7] and via 30S to 18S, [8] as shown in the diagram. 18S is a component of the ribosomal 40S subunit. 28S, 5.8S and 5S, [9] which is transcribed independently, are components
The nucleus of the cell is very important in evaluating the cellular sample. In cancerous cells, altered DNA activity can be seen as a physical change in the nuclear qualities. Since more DNA is unfolded and being expressed, the nucleus will be darker and less uniform, larger than in normal cells, and often show a bright-red nucleolus.
Whenever they encounter signs of disease, caused for example by the presence of viruses or intracellular bacteria or a transformed tumor cell, they initiate processes to destroy the potentially harmful cell. [1] All nucleated cells in the body (along with platelets) display class I major histocompatibility complex (MHC-I molecules). Antigens ...
The principal function of nuclear pore complexes is to facilitate selective membrane transport of various molecules across the nuclear envelope. This includes the transportation of RNA and ribosomal proteins from the nucleus to the cytoplasm , as well as proteins (such as DNA polymerase and lamins ), carbohydrates , signaling molecules , and ...
One hypothesized function of the dots is as a 'nuclear dump' or 'storage depot'. [21] The nuclear bodies may not all perform the same function. Sp140 associates with certain bodies and appears to be involved in transcriptional activation. [22] ND10 nuclear bodies have been shown to play a major role in chromatin regulation. [23]
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Is a benign dominantly inherited defect of terminal neutrophil differentiation as a result of mutations in the lamin B receptor gene. The characteristic leukocyte appearance was first reported in 1928 by Karel Pelger (1885-1931), a Dutch Hematologist, who described leukocytes with dumbbell-shaped bilobed nuclei, a reduced number of nuclear segments, and coarse clumping of the nuclear chromatin.