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The main function of the nucleus is to store genetic information (DNA), passing this information precisely to its daughter cell through cell division, and coordinating the whole activities through controlling gene expression and protein synthesis.
4 de feb. de 2021 · Nucleus is a membrane-bound organelle that houses DNA, the genetic material of a eukaryotic cell whereas nucleolus is a sub-organelle found within the nucleus containing RNA and is responsible for ribosome synthesis.
4 de oct. de 2019 · When looking at stained nuclei under a microscope, you notice that some appear uniformly colored, while other appear almost empty, with most of the color clumped together in the middle. What is happening?
The presence of a nucleus is the principal feature that distinguishes eukaryotic from prokaryotic cells. By housing the cell's genome, the nucleus serves both as the repository of genetic information and as the cell's control center.
31 de oct. de 2023 · The nucleus is separated from the rest of the cell or the cytoplasm by a nuclear membrane. As the nucleus regulates the integrity of genes and gene expression, it is also referred to as the control center of a cell.
19 de sept. de 2023 · The nucleolus is not surrounded by a membrane, but it has a unique density, separating it from the surrounding nucleoplasm, and allowing it to be visualised under a microscope. As well as being involved in ribosomal biogenesis, the nucleolus is thought to have other roles, as it contains a number of proteins unrelated to rRNA and ...
The nucleus. Typically, the nucleus is the most prominent organelle in a cell (see figure below) when viewed through a microscope. The nucleus (plural = nuclei) houses the cell’s DNA. Let’s look at it in more detail. Figure 4. The nucleus stores chromatin (DNA plus proteins) in a gel-like substance called the nucleoplasm.
