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31 de mar. de 2021 · Cell Parts and Functions. All cells contain specialized, subcellular structures that are adapted to keep the cell alive. Some of these structures release energy, while others produce proteins, transport substances, and control cellular activities. Collectively, these structures are called organelles.
- Kate Latham
- Overview
- Key points:
Review your understanding of cell parts and functions in this free article aligned to NGSS standards.
•All cells have a cell membrane that separates the inside and the outside of the cell, and controls what goes in and comes out. The cell membrane surrounds a cell’s cytoplasm, which is a jelly-like substance containing the cell’s parts.
•Cells contain parts called organelles. Each organelle carries out a specific function in the cell. A cell’s organelles work alone and together to keep the whole cell functioning.
•Mitochondria are organelles that break down sugars. This process releases energy that the cell can use.
•The nucleus is an organelle that contains a cell’s genes.
•Chloroplasts are organelles that carry out photosynthesis, which makes the food plant cells need to live. This food is in the form of sugars.
•Plant cells have chloroplasts and a cell wall, but animal cells do not. The plant cell wall is outside the cell membrane, and it provides structure for the cell.
19 de dic. de 2023 · Cells have three parts: the membrane, the nucleus, and the cytoplasm. People can think of cells as tiny packages that contain minute factories, warehouses, transport systems, and...
19 de abr. de 2024 · Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Most cells have one or more nuclei and other organelles that carry out a variety of tasks. Some single cells are complete organisms, such as a bacterium or yeast.
- Cell theory states that the cell is the fundamental structural and functional unit of living matter. In 1839 German physiologist Theodor Schwann an...
- The cell membrane surrounds every living cell and delimits the cell from the surrounding environment. It serves as a barrier to keep the contents o...
Las células tienen partes llamadas organelos. Cada organelo lleva a cabo una función específica en la célula. Los organelos de la célula funcionan solos y en conjunto para mantener el funcionamiento de la célula. Las mitocondrias son organelos que descomponen azúcares. Este proceso libera energía que la célula puede usar.
Sea como sea, en el artículo de hoy analizaremos las partes y estructuras indispensables de toda célula. Algunas de ellas están presentes en todas las células y otras son específicos de reino, es decir, de si estamos ante una planta, una bacteria, un animal, un hongo, etc.
Unlike chicken soup, the cell parts in the cytoplasm are not just floating around. Instead, they're organized and held in place by an internal structural network. Some of the parts contained within the cytoplasm are called organelles. So what exactly are organelles?
- 4 min
- Khan Academy
