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c-IAP1 shuttling from the nucleus to the Golgi apparatus in cells
c-IAP1 shuttling from the nucleus to the Golgi apparatus in cells

... redistribution of c-IAP1 and XIAP from the nucleus into the cytoplasm. It has been previously shown that exposure of U937 cells to 20 nM TPA induced their differentiation into macrophage-like cells. Cells become adherent to the culture flask and the expression of CD11b at their plasma membrane incre ...
Cell reproduction PPT
Cell reproduction PPT

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Nuclear Translocation of Fibroblast Growth Factor (FGF) Receptors
Nuclear Translocation of Fibroblast Growth Factor (FGF) Receptors

... were detected in the nuclear fraction, and < 5 % of the total acid phosphatase activity was associated with the nuclear fraction. For most experiments, we used a rapid method that allows isolation of nuclei from small numbers of cells (Schreiber et al., 1989). Briefly, cells in 35-mm culture dishes ...
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25DNA-mitosis-2008pr..

... use original parent strand as “template”  add new matching bases  ___________________ ___________________ ...
Dynamic Proteomics of Individual Cancer Cells in Response to a
Dynamic Proteomics of Individual Cancer Cells in Response to a

... TOP1 also showed rapid localization changes. TOP1 is found in the nucleoli and nucleus of cells before drug addition (24). On CPT treatment, tagged TOP1 intensity in the nucleoli dropped in less than 2 min (Fig. 3A). Fluorescence accumulated in the cytoplasm on the time scale of 5 hours after CPT ad ...
Biology, 7e (Campbell)
Biology, 7e (Campbell)

... Topic: Concepts 6.3, 6.4 Skill: Application ...
cell signaling in class
cell signaling in class

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http://medlib
http://medlib

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RNA Control of Epigenetic Processes

... of these non-coding transcripts play important roles in the activation of gene expression by targeting global protein regulators such as HP1, Ash1 and the chromatin insulator protein CP190 to the cognate sequences in cis-regulatory response elements, including Polycomb- and Trithoraxresponse element ...
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Chapter 11 PowerPoint 2016
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The Submicroscopic Structure of the Drosophila Egg

... During this increase in the area of the nuclear membrane the size of the pores does not appear to change (Fig. 19). During stages 10 and 11 quite large gaps in the membrane can be found, up to 6,000 A or even larger in size (Fig. 6). King & Devine (1959) describe similar gaps in stage 8 nuclei and p ...
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... Regulation of Protein Function Regulation of protein function allows the cell to regulate not only the amounts but also the activities of its proteins. There are three general mechanisms of control of cellular proteins: • regulation by small molecules - most enzymes are controlled by changes in conf ...
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11-CellCommunication

... • Signal transduction usually involves multiple steps • Multistep pathways can amplify a signal: A few molecules can produce a large cellular response • Multistep pathways provide more opportunities for coordination and regulation of the cellular response ...
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Inhibition of translation in living eukaryotic cells by an RNA G

... levels were observed for all three constructs, i.e., the GQ motif does not reduce the mRNA level of the Renilla luciferase. We thus conclude that the decrease of protein synthesis is due to repression of translation rather than a consequence of reduced transcription. Suppresion of Zic-1 protein synt ...
The Cell Membrane and Homeostasis
The Cell Membrane and Homeostasis

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Cell Membrane Structure - Toronto District Christian High School
Cell Membrane Structure - Toronto District Christian High School

... that the cell membrane also contains a mosaic of different components scattered throughout it, much like raisins in a slice of raisin bread. For example, numerous protein molecules stud the phospholipid bilayer. The phospholipid molecules and some of these proteins can drift sideways in the bilayer, ...
Acidic (Eosinophilic) and Basic Dyes
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TSM59 - The Cerebellum
TSM59 - The Cerebellum

Mitosis Flip-Book - dublin.k12.ca.us
Mitosis Flip-Book - dublin.k12.ca.us

...  textbook, or a good diagram of stages of mitosis, for reference Preparation: Cut each sheet of paper into quarters or eighths. The paper must all be the same size. Method: 1. You can make your books as detailed as you want, as long as you realize you’ll be drawing a lot of very similar pictures. 2 ...
Cell - Glow Blogs
Cell - Glow Blogs

... Common cell structures: Summary of plants and animal cells Plant and animal cells both have Only plant cells have ...
Do Now: - Ms. Cooper's 7th Grade Life Science Class
Do Now: - Ms. Cooper's 7th Grade Life Science Class

... Autotrophs and Heterotrophs - Similarities Following are the similarities between autotrophs and heterotrophs. Have a look at them: Autotrophs, as well as heterotrophs, are living things and both are part of some ecosystem. The autotrophs and heterotrophs, together form various trophic levels in th ...
Cell Membranes Osmosis and Diffusion
Cell Membranes Osmosis and Diffusion

... to bulge inward, forming a vesicle. Phagocytosis is the type of endocytosis where an entire cell is engulfed. Pinocytosis is when the external fluid is engulfed. Receptor-mediated endocytosis occurs when the material to be transported binds to certain specific molecules in the membrane. Examples inc ...
In vitro translation of archaeal natural mRNAs at high temperature
In vitro translation of archaeal natural mRNAs at high temperature

... translation takes place at unusually high concentrations (15-20 raM) of Mg 2+ ions; other described natural m R N A translating cell-free systems, either eubacterial or eukaryotic, have Mg 2+ optima no higher than 2 - 7 mM. However, Sulfolobus ribosomes are unique in forming extremely labile 70S mon ...
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Cell nucleus



In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel) is a membrane-enclosed organelle found in eukaryotic cells. Eukaryotes usually have a single nucleus, but a few cell types have no nuclei, and a few others have many.Cell nuclei contain most of the cell's genetic material, organized as multiple long linear DNA molecules in complex with a large variety of proteins, such as histones, to form chromosomes. The genes within these chromosomes are the cell's nuclear genome. The function of the nucleus is to maintain the integrity of these genes and to control the activities of the cell by regulating gene expression—the nucleus is, therefore, the control center of the cell. The main structures making up the nucleus are the nuclear envelope, a double membrane that encloses the entire organelle and isolates its contents from the cellular cytoplasm, and the nucleoskeleton (which includes nuclear lamina), a network within the nucleus that adds mechanical support, much like the cytoskeleton, which supports the cell as a whole.Because the nuclear membrane is impermeable to large molecules, nuclear pores are required that regulate nuclear transport of molecules across the envelope. The pores cross both nuclear membranes, providing a channel through which larger molecules must be actively transported by carrier proteins while allowing free movement of small molecules and ions. Movement of large molecules such as proteins and RNA through the pores is required for both gene expression and the maintenance of chromosomes. The interior of the nucleus does not contain any membrane-bound sub compartments, its contents are not uniform, and a number of sub-nuclear bodies exist, made up of unique proteins, RNA molecules, and particular parts of the chromosomes. The best-known of these is the nucleolus, which is mainly involved in the assembly of ribosomes. After being produced in the nucleolus, ribosomes are exported to the cytoplasm where they translate mRNA.
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