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For hydrogen,what is the wavelength of the photon emitted when an electron drops from a 4f orbital to a 2p orbital in a hydrogen atom? The Rydberg constant is 1.097 × 10-2 nm-1.
Nuclear Envelope
A double-membrane structure that encases the nucleus of eukaryotic cells, providing a barrier that separates the nuclear contents from the cytoplasm.
Early Prophase
The initial stage of cell division, specifically in mitosis, where chromosomes start to condense and become visible, the nuclear envelope begins to dissociate, and the mitotic spindle starts to form.
Accompanying Figure
A visual aid (such as a chart, graph, or image) that is provided alongside a piece of text to help explain or illustrate the content.
Centromere
The region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.
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