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3309 14828 Ensembl ENSG00000044574 ENSMUSG00000026864 UniProt P11021 P20029 RefSeq (mRNA) NM_005347 NM_001163434 NM_022310 RefSeq (protein) NP_005338 NP_001156906 NP_071705 Location (UCSC) Chr 9: 125.23 – 125.24 Mb Chr 2: 34.66 – 34.67 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Binding immunoglobulin protein (BiPS) also known as 78 kDa glucose-regulated protein (GRP-78) or ...
A cell is the basic unit of life that is responsible for the living and functioning of organisms. [3] Cell biology is the study of the structural and functional units of cells. Cell biology encompasses both prokaryotic and eukaryotic cells and has many subtopics which may include the study of cell metabolism , cell communication , cell cycle ...
The hole it forms is about 2.5 nanometers wide at the ends, and shrinks to about 1.4–1.6 nanometers in diameter at its narrowest point—wide enough to allow partially folded chloroplast preproteins to pass through. [43] Toc75 can also bind to chloroplast preproteins, but is a lot worse at this than Toc34 or Toc159. [43]
Biology is the science of life. It spans multiple levels from biomolecules and cells to organisms and populations. Biology is the scientific study of life. [1] [2] [3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.
Mathematical and theoretical biology, or biomathematics, is a branch of biology which employs theoretical analysis, mathematical models and abstractions of living organisms to investigate the principles that govern the structure, development and behavior of the systems, as opposed to experimental biology which deals with the conduction of ...
[1]: 221 Asters do not form during mitosis in plants. Astral rays, composed of microtubules , radiate from the centrosphere and look like a cloud. Astral rays are one variant of microtubule which comes out of the centrosome; others include kinetochore microtubules and polar microtubules.
The exact mechanism of transport is not known; however, findings indicate that ATP binding to TAP-1 is the initial step in the transport process, and that ATP bound to TAP-1 induces ATP binding in TAP-2. It has also been shown that undocking of the loaded MHC class I is linked to the transport cycle of TAP caused by signals from the TAP-1 subunit.
In Chara coralina, cells can grow up to 10 cm long and 1 mm in diameter. [8] The diameter of the vacuole can occupy around 80% of the cell's diameter. [11] Thus for a 1 mm diameter cell, the vacuole can have a diameter of 0.8 mm, leaving only a path width of about 0.1 mm around the vacuole for cytoplasm to flow.