Kingdom Monera 1_1_
... The are all prokaryotic. This means that their cells lack a nucleus and other membrane bound organelles. They are all unicellular, though may form clumps, strands, chains or even layers and colonies. They are asexual. They reproduce by binary fission. ...
... The are all prokaryotic. This means that their cells lack a nucleus and other membrane bound organelles. They are all unicellular, though may form clumps, strands, chains or even layers and colonies. They are asexual. They reproduce by binary fission. ...
Partitioning of nutrient transport processes in roots
... KUP1 has been reported to mediate high rates of Kq transport from solutions containing up to 150 mM Kq when expressed in yeast (Fu and Luan, 1998). However, the reliability of the yeast trk1 trk2 mutant for making Kq uptake measurements at high external Kq concentrations has been questioned because ...
... KUP1 has been reported to mediate high rates of Kq transport from solutions containing up to 150 mM Kq when expressed in yeast (Fu and Luan, 1998). However, the reliability of the yeast trk1 trk2 mutant for making Kq uptake measurements at high external Kq concentrations has been questioned because ...
Novel Antipeptide Antibodies to the Human Glucocorticoid Receptor
... sucrose gradients prepared in the absence or presence of sodium molybdate. The gradients were centrifuged as described in the text, fractionated, and counted for radioactivity. The upper panel represents cytosol obtained from cells that were homogenized in the absence of molybdate. The lower panel r ...
... sucrose gradients prepared in the absence or presence of sodium molybdate. The gradients were centrifuged as described in the text, fractionated, and counted for radioactivity. The upper panel represents cytosol obtained from cells that were homogenized in the absence of molybdate. The lower panel r ...
Dendritic organization of sensory input to cortical neurons in vivo
... CONNECTIVITY BETWEEN THE BULB AND PIRIFORM CAN GENERATE THE OBSERVED ODORANT REPRESENTATIONS ...
... CONNECTIVITY BETWEEN THE BULB AND PIRIFORM CAN GENERATE THE OBSERVED ODORANT REPRESENTATIONS ...
7-3 Cell Boundaries
... Endocytosis and Exocytosis Endocytosis is the process of taking material into the cell. ...
... Endocytosis and Exocytosis Endocytosis is the process of taking material into the cell. ...
4 The Origin and Early History of Life
... Heredity. All organisms on earth possess a genetic system that is based on the replication of a long, complex molecule called DNA. This mechanism allows for adaptation and evolution over time, also distinguishing characteristics of living things. To understand the role of heredity in our definition ...
... Heredity. All organisms on earth possess a genetic system that is based on the replication of a long, complex molecule called DNA. This mechanism allows for adaptation and evolution over time, also distinguishing characteristics of living things. To understand the role of heredity in our definition ...
Chapter 4 - 4.3 and 4.5 PowerPoint
... the difference in the concentration of a substance from one location to another. • Diffusion – is the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration. • Osmosis – is the movement of water across a semi-permeable membrane from an area o ...
... the difference in the concentration of a substance from one location to another. • Diffusion – is the movement of molecules in a fluid or gas from a region of higher concentration to a region of lower concentration. • Osmosis – is the movement of water across a semi-permeable membrane from an area o ...
Tetramer Staining T Cells with Optimized HLA Class II + CD4
... CD4⫹ T cells in PBMC remained difficult, mainly because the cells are rare in peripheral blood (17–20). Virtually all studies reporting MHCII tetramer staining used high concentrations of tetramer (20 g/ml or more), long incubation times (1–5 h) and temperatures of 23 or 37°C (8 –10, 13–17, 21–27). ...
... CD4⫹ T cells in PBMC remained difficult, mainly because the cells are rare in peripheral blood (17–20). Virtually all studies reporting MHCII tetramer staining used high concentrations of tetramer (20 g/ml or more), long incubation times (1–5 h) and temperatures of 23 or 37°C (8 –10, 13–17, 21–27). ...
The homeobox-containing gene Wariai regulates anterior
... specific developmental stage, the organisms were fixed briefly in Z buffer with 0.5% glutaraldehyde and 0.05% Triton X-100, then stained in Z buffer containing 2.5 mM K3Fe(CN)6, 2.5 mM K4Fe(CN)6 and 1 mM X-gal (5-bromo-4-chloro-3-indolyl-β-Dgalactopyranoside). For β-galactosidase and β-glucuronidase ...
... specific developmental stage, the organisms were fixed briefly in Z buffer with 0.5% glutaraldehyde and 0.05% Triton X-100, then stained in Z buffer containing 2.5 mM K3Fe(CN)6, 2.5 mM K4Fe(CN)6 and 1 mM X-gal (5-bromo-4-chloro-3-indolyl-β-Dgalactopyranoside). For β-galactosidase and β-glucuronidase ...
Dynamic Interplay between Nucleoid Segregation
... molecular structure and topology of cpDNA. In land plants, cp nucleoid morphology and molecular structure are complex and vary considerably depending on tissue type, developmental stage, age, and environment (Oldenburg and Bendich, 2015). Furthermore, as plant cells contain multiple cps that activel ...
... molecular structure and topology of cpDNA. In land plants, cp nucleoid morphology and molecular structure are complex and vary considerably depending on tissue type, developmental stage, age, and environment (Oldenburg and Bendich, 2015). Furthermore, as plant cells contain multiple cps that activel ...
Cell Cycle Control in Arabidopsis
... cdc2aAt promoter–gus fusion were reinduced to divide by plant hormones, gus induction could not be blocked by hydroxyurea. Thus it seems that in quiescent cells, induction of divisions by hormones activate cdc2aAt transcription at or before early S phase, and that this activation is not dependent up ...
... cdc2aAt promoter–gus fusion were reinduced to divide by plant hormones, gus induction could not be blocked by hydroxyurea. Thus it seems that in quiescent cells, induction of divisions by hormones activate cdc2aAt transcription at or before early S phase, and that this activation is not dependent up ...
Rabbit (polyclonal) Anti-Mouse BID Cleavage Site (59/60) Specific
... Luo, X., et al. (1999) BID, a Bcl2 interacting protein, mediates cytochrome c release from mitochondria in response to activation of cell surface death receptors. Cell 94:481-490. Yin, X.M., et al. (1999) BID-deficient mice are resistant to Fas-induced hepatocellular apoptosis. Nature 400:886-891. L ...
... Luo, X., et al. (1999) BID, a Bcl2 interacting protein, mediates cytochrome c release from mitochondria in response to activation of cell surface death receptors. Cell 94:481-490. Yin, X.M., et al. (1999) BID-deficient mice are resistant to Fas-induced hepatocellular apoptosis. Nature 400:886-891. L ...
Can You Hear Me Now
... as boron, there is one fewer electron resulting in a positively charged hole, creating a so-called p-type silicon where electricity is carried by positively charged holes. When a p-type silicon is placed against an n-type silicon it forms a diode and allows electric current to flow in one direction. ...
... as boron, there is one fewer electron resulting in a positively charged hole, creating a so-called p-type silicon where electricity is carried by positively charged holes. When a p-type silicon is placed against an n-type silicon it forms a diode and allows electric current to flow in one direction. ...
Dynamic targeting of the replication machinery to sites of DNA damage
... To investigate the action of specific replication factors during DNA replication and repair in living cells, we generated Rat-1 and U2OS cell lines stably expressing GFP fused to the replication proteins PCNA and RPAp34 (the 34-kD subunit of the replication protein A complex, also termed RPA2). The ...
... To investigate the action of specific replication factors during DNA replication and repair in living cells, we generated Rat-1 and U2OS cell lines stably expressing GFP fused to the replication proteins PCNA and RPAp34 (the 34-kD subunit of the replication protein A complex, also termed RPA2). The ...
Hyndman, I. (2016) Review: the contribution of both
... increases. In some cell types that already show evidence of neoplasia (abnormal growth), the rate of acquisition of further mutations is increased. This increases the chance for an already-mutated cell to acquire the additional genetic alterations which are necessary for the formation of a solid tu ...
... increases. In some cell types that already show evidence of neoplasia (abnormal growth), the rate of acquisition of further mutations is increased. This increases the chance for an already-mutated cell to acquire the additional genetic alterations which are necessary for the formation of a solid tu ...
Presentation by Human Dendritic Cells Killed, and Processed for
... Quantitation of intracellular growth of Hc yeasts in DC and M Intracellular growth of Hc yeasts in DC and M was quantified by the incorporation of [3H]leucine as described previously (16). DC were incubated at varying ratios of cells to yeasts (50/1, 10/1, and 5/1) in polypropylene tubes with 5 ⫻ ...
... Quantitation of intracellular growth of Hc yeasts in DC and M Intracellular growth of Hc yeasts in DC and M was quantified by the incorporation of [3H]leucine as described previously (16). DC were incubated at varying ratios of cells to yeasts (50/1, 10/1, and 5/1) in polypropylene tubes with 5 ⫻ ...
20140912092199
... the watery contents of the cell separate from the watery environment? What substance do you know that doesn’t mix with water? ...
... the watery contents of the cell separate from the watery environment? What substance do you know that doesn’t mix with water? ...
Primary endothelial cells isolated from the yolk sac
... The primary sites of hematopoiesis change during murine ontogeny. The murine yolk sac is well known as the first site of blood cell production.1 Primitive erythroid colony-forming cells (EryP) emerge at embryonic 7.0 days after coitus (dpc) along with minimal numbers of macrophage and megakaryocyte ...
... The primary sites of hematopoiesis change during murine ontogeny. The murine yolk sac is well known as the first site of blood cell production.1 Primitive erythroid colony-forming cells (EryP) emerge at embryonic 7.0 days after coitus (dpc) along with minimal numbers of macrophage and megakaryocyte ...
Autoantibody-Mediated Dysfunction of Sympathetic Neurons in
... Staining properties, cell viability, and noradrenaline synthesis of sympathetic neurons during treatment with IgG from patients with Guillain-Barré syndrome (GBS) and control patients. A, Staining of sympathetic neurons with GBS-IgG (green) and antibody against tyrosine hydroxylase (red, bar = 50 μm ...
... Staining properties, cell viability, and noradrenaline synthesis of sympathetic neurons during treatment with IgG from patients with Guillain-Barré syndrome (GBS) and control patients. A, Staining of sympathetic neurons with GBS-IgG (green) and antibody against tyrosine hydroxylase (red, bar = 50 μm ...
Gravity sensing, a largely misunderstood trigger of plant orientated
... The time course of gravitropic curvature investigated in hypocotyl, stem, as well as in the trunk and branches illustrate the following steps in several species: the upward curving of the organs is observed after a latency phase and progressively followed by a “decurving” which starts at the tip and ...
... The time course of gravitropic curvature investigated in hypocotyl, stem, as well as in the trunk and branches illustrate the following steps in several species: the upward curving of the organs is observed after a latency phase and progressively followed by a “decurving” which starts at the tip and ...
COUP-TFI and COUP-TFII regulate expression of the NHE through a
... The Na1/H1 exchanger (NHE) is a mammalian plasmamembrane protein that exchanges an intracellular H1 for an extracellular Na1. Several isoforms of the protein have been identified and designated NHE1±NHE6. The isoform NHE1 is present in all mammalian cells [1], is involved in pH regulation [2] and co ...
... The Na1/H1 exchanger (NHE) is a mammalian plasmamembrane protein that exchanges an intracellular H1 for an extracellular Na1. Several isoforms of the protein have been identified and designated NHE1±NHE6. The isoform NHE1 is present in all mammalian cells [1], is involved in pH regulation [2] and co ...
Chromatin Fibers Observed In Situ in Frozen Hydrated Sections
... et al., 1993), and dextran cryoprotectant but not fixed. For comparison, the same material after GA fixation and conventional epoxy embedding is shown in Fig. 3 b. Both the frozen hydrated and conventionally prepared cells have nuclei filled with chromatin fibers, and, in general, features seen in t ...
... et al., 1993), and dextran cryoprotectant but not fixed. For comparison, the same material after GA fixation and conventional epoxy embedding is shown in Fig. 3 b. Both the frozen hydrated and conventionally prepared cells have nuclei filled with chromatin fibers, and, in general, features seen in t ...