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The primary manifestations are thrombocytopenia and megakaryocytopenia, i.e. low numbers of platelets and megakaryocytes. There is an absence of megakaryocytes in the bone marrow with no associated physical abnormalities. [14] The cause for this disorder appears to be a mutation in the gene for the TPO receptor, c-mpl, despite high levels of ...
It is ideally spatially unstructured and temporally unstructured, in a steady state defined by the rates of nutrient supply and bacterial growth. In comparison to batch culture, bacteria are maintained in exponential growth phase, and the growth rate of the bacteria is known. Related devices include turbidostats and auxostats.
In comparison to eukaryotes, the intracellular features of the bacterial cell are extremely simple. Bacteria do not contain organelles in the same sense as eukaryotes. Instead, the chromosome and perhaps ribosomes are the only easily observable intracellular structures found in all bacteria. There do exist, however, specialized groups of ...
Bacterial taxonomy is the classification of strains within the domain Bacteria into hierarchies of similarity. This classification is similar to that of plants , mammals , and other taxonomies. However, biologists specializing in different areas have developed differing taxonomic conventions over time.
Scientists have discovered a bacterium that's about 5,000 times larger than any other giant bacteria -- large enough to see without a microscope.
Spiral bacteria are another major bacterial cell morphology. [2] [30] [31] [32] Spiral bacteria can be sub-classified as spirilla, spirochetes, or vibrios based on the number of twists per cell, cell thickness, cell flexibility, and motility. [33] Bacteria are known to evolve specific traits to survive in their ideal environment. [34]
For example, different types of apples each have their own PLU code, as do different kinds of nuts, organic vs. non-organic lettuce, and so on. The stickers also usually contain barcodes for easy ...
The Big Mac, often considered the most iconic fast-food burger, has been a McDonald's menu staple since 1967. Created by Pittsburgh franchise owner Jim Delligatti, the original Big Mac featured a ...