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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.
Hace 5 días · membrane, in biology, the thin layer that forms the outer boundary of a living cell or of an internal cell compartment. The outer boundary is the plasma membrane, and the compartments enclosed by internal membranes are called organelles.
Hace 3 días · Eukaryote. The eukaryotes ( / juːˈkærioʊts, - əts / yoo-KARR-ee-ohts, -əts) [5] constitute the domain of Eukarya or Eukaryota, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, and many unicellular organisms are eukaryotes.
Hace 2 días · First published: May 13, 2024. Biomechanical stress drives CD8 + T cell exhaustion program in solid tumors via a signaling cascade centered on the transcription factor Osr2. Intervention in this signaling pathway reverses CD8 + T cell exhaustion and enhances their anti-tumor efficacy. Full-Text HTML. PDF.
Hace 1 día · Hola chicos, siguiendo con los análisis de villanos icónicos de Dragon Ball, esta vez ha llegado el turno de Cell. Espero que os guste el análisis.
Hace 5 días · mitochondrion, membrane-bound organelle found in the cytoplasm of almost all eukaryotic cells (cells with clearly defined nuclei), the primary function of which is to generate large quantities of energy in the form of adenosine triphosphate (ATP).
Hace 2 días · A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.This protein was the first to have its structure solved by X-ray crystallography.Toward the right-center among the coils, a prosthetic group called a heme group (shown in gray) with a bound oxygen molecule (red).. Proteins are large biomolecules and macromolecules that comprise one or more long chains of ...
