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Há 4 dias · 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.
- General Functions and Characteristics
General functions and characteristics. Like the cell...
- Regulation of RNA After Synthesis
Regulation of RNA after synthesis. After synthesis, RNA...
- Transport Across The Membrane
Cell - Membrane Transport, Osmosis, Diffusion: The chemical...
- Cell Division and Growth
Cell - Mitosis, Cytokinesis, Prokaryotes: In unicellular...
- Calcium Pumps
Calcium pumps. Many animal cells can perform a primary...
- Matrix Proteins
Cell - Matrix, Proteins, Biology: Matrix proteins are large...
- Secretory Vesicles
Cell - Secretory Vesicles: The release of proteins or other...
- Secondary Active Transport
Cell - Secondary Active Transport: In some cases the problem...
- General Functions and Characteristics
14 de mai. de 2024 · Our highly consistent findings across models provides new insight supporting differences between male and female brain cellular-level tissue organization particularly in the central white matter.
22 de mai. de 2024 · Thin cellular protrusions called cytonemes can transport ligand–receptor complexes from a signal-producing cell to a receiving cell in the developing zebrafish embryo.
Há 5 dias · bacteria, any of a group of microscopic single-celled organisms that live in enormous numbers in almost every environment on Earth, from deep-sea vents to deep below Earth’s surface to the digestive tracts of humans. Bacteria lack a membrane-bound nucleus and other internal structures and are therefore ranked among the unicellular life-forms ...
Há 6 dias · ETV4 is a mechanical transducer linking cell crowding dynamics to lineage specification. Yang, Golkaram et al. reported that in human embryonic stem cells, cellular crowding leads to the blockade ...
9 de mai. de 2024 · Science. See the most detailed map of human brain matter ever created. Explore the tiny 'pizza slice' down to the neuron. By Lauren Leffer. Posted on May 9, 2024 2:00 PM EDT. 8 minute read....
17 de mai. de 2024 · Cellular respiration is a basis of life that occurs in all living forms. In most multicellular organisms, cellular respiration occurs in the form of aerobic respiration. The process of cellular respiration involves the breakdown of high energy bonds, which release energy in the form of ATP.
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