Every B3 Past Paper Question
... Put a tick ( ) in the box next to one characteristic Carol wants in her carrots. short stems bright yellow colour large tap root few leaves ...
... Put a tick ( ) in the box next to one characteristic Carol wants in her carrots. short stems bright yellow colour large tap root few leaves ...
Myc increases self-renewal in neural progenitor cells through Miz-1
... renewing activity is maintained through adulthood (Bhardwaj et al., 2006; Morshead et al., 1998; Suhonen et al., 1996; Taupin and Gage, 2002). Some of the developmental genes involved in selfrenewal maintenance, differentiation and regeneration are also protooncogenes such as Myc. The two cellular p ...
... renewing activity is maintained through adulthood (Bhardwaj et al., 2006; Morshead et al., 1998; Suhonen et al., 1996; Taupin and Gage, 2002). Some of the developmental genes involved in selfrenewal maintenance, differentiation and regeneration are also protooncogenes such as Myc. The two cellular p ...
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... express AP, however, is inconsistent with the possibility that AP expression depends solely on the translational activation of maternal AP mRNA. There are several reasons why AP may not have been expressed in the anucleate fragments. First, the anucleate fragments may not be capable of protein synth ...
... express AP, however, is inconsistent with the possibility that AP expression depends solely on the translational activation of maternal AP mRNA. There are several reasons why AP may not have been expressed in the anucleate fragments. First, the anucleate fragments may not be capable of protein synth ...
Living together in biofilms: the microbial cell factory and its
... lactic acid, and succinic acid) or during wastewater treatment or bioremediation. Thus far, the biofilms used to obtain industrial products are typically those of single species, which allows the controlled growth conditions needed to maximize the production of the desired compound [59–61]. In biofi ...
... lactic acid, and succinic acid) or during wastewater treatment or bioremediation. Thus far, the biofilms used to obtain industrial products are typically those of single species, which allows the controlled growth conditions needed to maximize the production of the desired compound [59–61]. In biofi ...
Mark scheme F211 Cells, Exchange and Transport June 2014
... Functional Skills, Key Skills, Entry Level qualifications, NVQs and vocational qualifications in areas such as IT, business, languages, teaching/training, administration and secretarial skills. It is also responsible for developing new specifications to meet national requirements and the needs of st ...
... Functional Skills, Key Skills, Entry Level qualifications, NVQs and vocational qualifications in areas such as IT, business, languages, teaching/training, administration and secretarial skills. It is also responsible for developing new specifications to meet national requirements and the needs of st ...
Pathogenesis of lung cancer signalling pathways: roadmap for therapies SERIES ‘‘LUNG CANCER’’
... rationally selected molecules for targeted therapy. While initial targeted approaches utilised monoclonal antibodies, which block the ligand–receptor interaction, newer approaches have utilised small molecule reversible TK inhibitors (TKIs). The TK activity of EGFR is required for the biochemical re ...
... rationally selected molecules for targeted therapy. While initial targeted approaches utilised monoclonal antibodies, which block the ligand–receptor interaction, newer approaches have utilised small molecule reversible TK inhibitors (TKIs). The TK activity of EGFR is required for the biochemical re ...
Caryoneme alternative to chromosome and a new caryological
... it seems doubtful whether it continues to serve as a useful purpose.” As a matter of fact, Barber & Callan’s criticism was fully overlooked by the following scientific literature and this, likely, owing to the difficulty of finding a convincing system alternative to a terminological state of affairs ...
... it seems doubtful whether it continues to serve as a useful purpose.” As a matter of fact, Barber & Callan’s criticism was fully overlooked by the following scientific literature and this, likely, owing to the difficulty of finding a convincing system alternative to a terminological state of affairs ...
Lysosomal Sequestration of Polyamine
... because of gene amplification as indicated by genomic Southern blot analysis and increased expression of AdoMetDC mRNA and enzyme activity (6). The initial characterization of this cell line led to the observation that these same cells were only cytostatically affected by the polyamine analogue DENS ...
... because of gene amplification as indicated by genomic Southern blot analysis and increased expression of AdoMetDC mRNA and enzyme activity (6). The initial characterization of this cell line led to the observation that these same cells were only cytostatically affected by the polyamine analogue DENS ...
Emergence of robust growth laws from optimal regulation of
... Department of Physics and Center for Theoretical Biological Physics, University of California, San Diego, La Jolla, CA, USA ...
... Department of Physics and Center for Theoretical Biological Physics, University of California, San Diego, La Jolla, CA, USA ...
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... only single lines for all antigens. In the case of the y-globulins this was yG. For direct tracing, protein conjugates were sterilized by filtration and after laparotomy injected into the uterine lumen of Dutch rabbits, 26-28 days pregnant, at a dose of 1 ml/conceptus. At various time intervals, ran ...
... only single lines for all antigens. In the case of the y-globulins this was yG. For direct tracing, protein conjugates were sterilized by filtration and after laparotomy injected into the uterine lumen of Dutch rabbits, 26-28 days pregnant, at a dose of 1 ml/conceptus. At various time intervals, ran ...
Basic Amino Acid Inhibition of Cell Division and
... by several investigators to inhibit growth. Davis et al. (1970) observed that adding arginine to an arginase-defective mutant culture of Neurospora stopped its growth. Since the inhibition was relieved by supplying putrescine in the culture medium, they attributed the effects to feedback inhibition ...
... by several investigators to inhibit growth. Davis et al. (1970) observed that adding arginine to an arginase-defective mutant culture of Neurospora stopped its growth. Since the inhibition was relieved by supplying putrescine in the culture medium, they attributed the effects to feedback inhibition ...
Epithelial Tissue
... Desmosome or macula adherens • The desmosome is a complex disk-shaped structure at the surface of one cell that is matched with an identical structure at the surface of the adjacent cell. • On the cytosolic side of the membrane of each cell and separated from it by a short distance is a circular pl ...
... Desmosome or macula adherens • The desmosome is a complex disk-shaped structure at the surface of one cell that is matched with an identical structure at the surface of the adjacent cell. • On the cytosolic side of the membrane of each cell and separated from it by a short distance is a circular pl ...
The connection of cytoskeletal network with plasma membrane and
... (Dhonukshe et al. 2003). Additionally, tubulin subunits were detected in pull-down assays, using PLDd-GFP as bait, in transgenic Arabidopsis cell cultures (Ho et al. 2009). Based on these results, the PLDs were speculated to be linkers between microtubules and the plasma membrane. However, tubulin s ...
... (Dhonukshe et al. 2003). Additionally, tubulin subunits were detected in pull-down assays, using PLDd-GFP as bait, in transgenic Arabidopsis cell cultures (Ho et al. 2009). Based on these results, the PLDs were speculated to be linkers between microtubules and the plasma membrane. However, tubulin s ...
Systematic identification of cell size regulators in
... below median (P < 10 5) and one (ygr064w) did not grow well (Fig 1D and E). Overall, correlations between results of different screens were significant, but relatively low, stressing the difficulty of measuring cell size in high-throughput manner and the strong effect of environmental conditions on ...
... below median (P < 10 5) and one (ygr064w) did not grow well (Fig 1D and E). Overall, correlations between results of different screens were significant, but relatively low, stressing the difficulty of measuring cell size in high-throughput manner and the strong effect of environmental conditions on ...
Chapter 2.3 Active Cell Processes: Motility, Muscle, and Mechanotransduction
... macroscopic perspective, but extending down to the level of individual cross-bridge dynamics and the models that are used to describe it. This chapter ends with a discussion of mechanotransduction. Contrary to most of the literature on this topic, however, the focus here is on the mechanisms by whic ...
... macroscopic perspective, but extending down to the level of individual cross-bridge dynamics and the models that are used to describe it. This chapter ends with a discussion of mechanotransduction. Contrary to most of the literature on this topic, however, the focus here is on the mechanisms by whic ...
Ion channels in the immune system as targets for
... controlling transcription have been described [72]. The levels of Kv1.3 expression are increased during T-cell activation, further suggesting a role in mitogenesis [2]. Kv1.3 is found associated with a β2 subunit which is also up-regulated during activation and may serve to stabilize the integrity o ...
... controlling transcription have been described [72]. The levels of Kv1.3 expression are increased during T-cell activation, further suggesting a role in mitogenesis [2]. Kv1.3 is found associated with a β2 subunit which is also up-regulated during activation and may serve to stabilize the integrity o ...
Anopheles gambiae Drosophila melanogaster Bo Lindberg
... Malaria is a disease of poverty and continues to plague a great part of the world’s population. An increased understanding of the interactions between the vector mosquito, the malaria parasite, and also the mosquito gut microbiota are pivotal for the development of novel measures against the disease ...
... Malaria is a disease of poverty and continues to plague a great part of the world’s population. An increased understanding of the interactions between the vector mosquito, the malaria parasite, and also the mosquito gut microbiota are pivotal for the development of novel measures against the disease ...
Cell types
... Trichomes Trichomes can appear as singular "hairs" or they can be branched as seen in these two stellate trichomes. Trichome shape is indicative of a particular plant species and has been used in taxonomy to identify plants. ...
... Trichomes Trichomes can appear as singular "hairs" or they can be branched as seen in these two stellate trichomes. Trichome shape is indicative of a particular plant species and has been used in taxonomy to identify plants. ...
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... determine optimal FGF2 concentration, LM cells were treated with 50 ng/ml of FGF2 (as employed previously for LM differentiation) and a higher concentration of FGF2 (100 ng/ml). Both showed similar results and failed to significantly induce epicardial gene expression (supplementary material Fig. S1B ...
... determine optimal FGF2 concentration, LM cells were treated with 50 ng/ml of FGF2 (as employed previously for LM differentiation) and a higher concentration of FGF2 (100 ng/ml). Both showed similar results and failed to significantly induce epicardial gene expression (supplementary material Fig. S1B ...
Malpighian tubules and formation of uric acid
... also draws across water, by osmosis. This probably takes place largely by the paracellular pathway, that is between the epithelial cells. Sugars and amino acids are swept along by the water into the tubule lumen. Since these materials are useful they will be reabsorbed later further downstream. Othe ...
... also draws across water, by osmosis. This probably takes place largely by the paracellular pathway, that is between the epithelial cells. Sugars and amino acids are swept along by the water into the tubule lumen. Since these materials are useful they will be reabsorbed later further downstream. Othe ...
Mader 11 ch 5 Membrane Structure and Function
... Junction Proteins: Tight junctions join cells so that a tissue can fulfill a function, as when a tissue pinches off the neural tube during development. Without this cooperation between cells, an animal embryo would have no nervous system. Mills AP Biology 2012 ...
... Junction Proteins: Tight junctions join cells so that a tissue can fulfill a function, as when a tissue pinches off the neural tube during development. Without this cooperation between cells, an animal embryo would have no nervous system. Mills AP Biology 2012 ...
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... E) Endocytosis is a form of passive transport, whereas exocytosis is a form of active transport. Answer: C Bloom's Rank: Comprehension Section: Eukaryotic Cell Walls and Cytoplasmic Membranes 22) One lipid found in eukaryotes but NOT in prokaryotes is A) hopanoid. B) lipopolysaccharide. C) phospholi ...
... E) Endocytosis is a form of passive transport, whereas exocytosis is a form of active transport. Answer: C Bloom's Rank: Comprehension Section: Eukaryotic Cell Walls and Cytoplasmic Membranes 22) One lipid found in eukaryotes but NOT in prokaryotes is A) hopanoid. B) lipopolysaccharide. C) phospholi ...
Controls T Cell Differentiation RAGE Ligation Affects T Cell
... It has also been suggested that RAGE ligation may affect adaptive immune responses, but the role of this pattern recognition receptor on T cells has not been well studied, and some investigations have failed to show a role of RAGE in adaptive responses (11). These studies and previous studies indica ...
... It has also been suggested that RAGE ligation may affect adaptive immune responses, but the role of this pattern recognition receptor on T cells has not been well studied, and some investigations have failed to show a role of RAGE in adaptive responses (11). These studies and previous studies indica ...
Botanical Gazette
... FIGS. 1-10.-Microand megasporophylls in section. Fig. 1, Bovvenia spectabilis cross section of microsporophyll, idioblasts (arrows), iodine-fast green (IFG); insert a=ninhydrin-Schiff (NIN) stain. Fig. 2, Ceratozamia mexicana cross section of microsporophyll, secretory idioblasts (arrow) NIN stain; ...
... FIGS. 1-10.-Microand megasporophylls in section. Fig. 1, Bovvenia spectabilis cross section of microsporophyll, idioblasts (arrows), iodine-fast green (IFG); insert a=ninhydrin-Schiff (NIN) stain. Fig. 2, Ceratozamia mexicana cross section of microsporophyll, secretory idioblasts (arrow) NIN stain; ...