Watson 1959 has calculated the nuclear pores of the mammalian cells extend percent of the total surface area of the nucleus. (Function of the) Rough Endoplasmic Reticulum. Messenger RNA is a transcribed DNA segment that serves as a template for protein production. (2004). In this reactor, the pressure of steam is just the working pressure of steam used by the turbine. Components 4. It is composed of lamins, which are also present in the nuclear interior, and lamin-associated proteins. U238 is transformed to Pu239 which is highly fissionable and contributes to heat production. Marks’ basic medical biochemistry: A clinical approach. The nuclear pores are octagonal in shape and have a diameter of 600 angstroms. The nucleus is the organelle that houses chromosomes. A nuclear power plant does not respond to load fluctuations. v. The maintenance cost of a nuclear power plant is high due to high salary paid to workers. The nucleus communicates with the remaining of the cell or the cytoplasm through several openings called nuclear pores. Introduction to Nuclear Power Plant: Nuclear energy is a recent entrant in the field of power production. Like the cell membrane, the nuclear envelope consists of phospholipids that form a lipid bilayer. As the nucleus regulates the integrity of genes and gene expression, it is also referred to as the control center of a cell. This also allows the transfer of materials as well. The disposal of nuclear waste is difficult. The water circulates upward through the fuel core and downward over the thermal shield. -Acts as a transport system within the cell, as its cisternae act as channels to transport substances around the cell. The nucleoplasm contains many enzymes which are necessary for the synthesis of the DNA and RNA. Terms of Service 7. -Gives support and mechanical strength to the cytoplasm and to the cell. Steam is produced in the secondary circuit which consists of heat exchanger which acts as boiler, as in a steam turbine. Nuclear Membrane Structure. In certain cases the pore complex remains covered by a thin membrane of septums, which means serve as a special structure for the selective permeability. Any atom can be made to undergo fission for energy release. Nuclear power plant are majorly classified as: In a boiling water reactor, the water acts as a coolant as well as moderator. It is the command center of a eukaryotic cell and is usually the most notable cell organelle in both size and function. (Structure of the) Rough Endoplasmic Reticulum. A shield of several meters of heavy barite concrete may be used.
At nuclear pores, are the pathways for the exchange of the macromolecules. However, some eukaryotic cells are enucleated cells (without a nucleus), for example, red blood cells (RBCs); whereas, some are multinucleate (consists of two or more nuclei), for example, slime, The nucleus is separated from the rest of the cell or the. Sodium is opted because it can be operated at high temperature (about 700°C) at atmospheric pressure of 1 bar and boiling and freezing temperatures are 880°C and 75°C, respectively. The nucleus communicates with the remaining of the cell or the cytoplasm through several openings called nuclear pores. The coolant used may be H2O, D2O, helium, sodium, or sodium-potassium. 5.13. The heat produced by nuclear fission in the atoms is utilized in a special heat exchanger for the generation of steam which is used to drive turbo-generator. Nucleus is a membrane bound structure that contains the cell’s hereditary information and controls the cell’s growth and reproduction. It is connected to the endoplasmic reticulum (ER) in such a way that the internal chamber of the nuclear envelope is continuous with the lumen, or inside, of the ER. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Designed with ❤️ by Sagar Aryal. The superheated steam is generated to run the steam turbine. The pressurized water reactor is shown in Fig.

-Beats to allow bacteria or sperm cells to move. Uploader Agreement. The controversy over stem cell research is mainly centered in the creation and/or destruction of human embryos. Learn how your comment data is processed. Content Filtration 6. The nucleolus and chromosomes are surrounded by nucleoplasm, which functions to cushion and protect the contents of the nucleus. It is the command center of a eukaryotic cell and is commonly the most prominent organelle in a cell accounting for about 10 percent of the cell’s volume.

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