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A chart or table of nuclides maps the nuclear, or radioactive, behavior of nuclides, as it distinguishes the isotopes of an element.It contrasts with a periodic table, which only maps their chemical behavior, since isotopes (nuclides that are variants of the same element) do not differ chemically to any significant degree, with the exception of hydrogen.
it is a version without text of the File:Diagram human cell nucleus.svg: Date: 17 jun 2006 (original 27 april 2006) Source: edited with adobe ilustrator: Author: Mariana LadyofHats: Permission (Reusing this file)
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A comprehensive diagram of a human cell nucleus. Date: 27 April 2006: Source: I did it myself with adobe ilustrator using the information found here , ,, and : Author: Mariana Ruiz LadyofHats: Permission (Reusing this file)
A neutron (n) has one up quark (u) and two down quarks (d): udd. An antiproton (p) has two up antiquarks (u) and one down antiquark (d): u u d. An antineutron (n) has one up antiquark (u) and two down antiquarks (d): u d d. The color charge (color assignment) of individual quarks is arbitrary, but all three colors (red, green, blue) must be ...
For this reason, one or more neutrons are necessary for two or more protons to be bound into a nucleus. As the number of protons increases, so does the ratio of neutrons to protons necessary to ensure a stable nucleus (see graph). For example, although the neutron–proton ratio of 3 2 He is 1:2, the neutron–proton ratio of 238 92 U is ...
The nuclear pore complex (NPC) is a crucial cellular structure with a diameter of approximately 120 nanometers in vertebrates. Its channel varies from 5.2 nanometers in humans [14] to 10.7 nm in the frog Xenopus laevis, with a depth of roughly 45 nm. [15] Additionally, mRNA, being single-stranded, has a thickness ranging from 0.5 to 1 nm.