The phrase "a nucleus can be" is correct and usable in written English.
It can be used when discussing the characteristics, functions, or properties of a nucleus in various contexts, such as biology or physics.
Example: "In cellular biology, a nucleus can be the control center of the cell, regulating gene expression and mediating the replication of DNA."
Alternatives: "a nucleus may be" or "a nucleus is capable of".
Electrons orbiting a nucleus can be in different energy states.
Mössbauer found that at a low temperature a nucleus can be embedded in a crystal lattice that absorbs its recoil.
In this rapid, or r, process, the evolution of a nucleus can be very different from that in a slow process.
In the strange world of quantum mechanics, the spin of a nucleus can be in both states, representing both bits, at the same time.
These initial seeds are subsequently refined through geodesic level sets, where fragmented blobs, within a nucleus, can be merged.
In other words, if the interactions between chromosomes contained within a human or a fungal nucleus can be resolved, then it may be possible to resolve the chromosomes of various species mixed together.
The current to a growing nucleus can be written in a form that presents this analogy but it remains a hemispherical current, i.e. there is no change in the diffusional regime or the associated boundary conditions.
In Fig. 1, three sample frames from one of the movies are shown, where, e.g., the entry of a single probe molecule into a cell nucleus can be observed (white arrows).
So the damage from a recoiling nucleus can be one hundred times greater than the damage from an alpha emission.
Thus, a TGC nucleus can be regarded as having increased heterochromatin regions and regions with highly relaxed chromatin in the same genome.
In another series of reactions that involve carbon and nitrogen, called the carbon nitrogen cycle, the nuclei of carbon and nitrogen are used as catalysts to transform hydrogen into helium; protons are successively added to carbon or nitrogen until a helium nucleus can be emitted by them and the original carbon or nitrogen nucleus reproduced.
