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19 de abr. de 2024 · cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast. Other cells acquire specialized functions as they mature.
6 de may. de 2024 · Mitosis is a process of cell duplication, in which one cell divides into two genetically identical daughter cells. In the various stages of mitosis, the cell’s chromosomes are copied and then distributed equally between the two new nuclei of the daughter cells.
Hace 5 días · Cell membrane, thin membrane that surrounds every living cell. The cell membrane functions as a barrier, keeping cell constituents in and unwanted substances out, and as a gate, allowing transport into the cell of essential nutrients and movement from the cell of waste products.
19 de abr. de 2024 · Nature Cell Biology publishes research of the highest quality across all areas of cell biology, encouraging studies that shed light on the mechanisms underlying fundamental cell biological ...
Hace 2 días · A cell is the basic building block of living things. All cells can be sorted into one of two groups: eukaryotes and prokaryotes. A eukaryote has a nucleus and membrane-bound organelles, while a prokaryote does not.
2 de may. de 2024 · DNA replication is the process in which a cell makes an identical copy of its DNA. It is vital for cell growth, repair, and reproduction in organisms as it helps with the transmission of genetic information.
Hace 2 días · A nucleus, as related to genomics, is the membrane-enclosed organelle within a cell that contains the chromosomes. An array of holes, or pores, in the nuclear membrane allows for the selective passage of certain molecules (such as proteins and nucleic acids) into and out of the nucleus.
