NAME: IWORH CHINYERE MIRACLE MATRIC NO: 14/MHS02/031
... The Z-lines(Zwischenschieben) bisect the I-bands. A light band called the H-band(Heller) sits within each A-band. The M-line(Mittelschiebe) bisects each A-band(and, in doing so bisects each H-band). Each myofibril can be understood as a series of contractile units called sarcomeres that contains two ...
... The Z-lines(Zwischenschieben) bisect the I-bands. A light band called the H-band(Heller) sits within each A-band. The M-line(Mittelschiebe) bisects each A-band(and, in doing so bisects each H-band). Each myofibril can be understood as a series of contractile units called sarcomeres that contains two ...
Energetics and genetics across the prokaryote
... hard to distinguish between eukaryotic and prokaryotic microfossils let alone prove the existence of extinct lines of protoeukaryotes. While asserting the unprovable existence of extinct lines of eukaryotes is unsatisfying, if not unscientific, extinction is commonplace, and the argument seems, on t ...
... hard to distinguish between eukaryotic and prokaryotic microfossils let alone prove the existence of extinct lines of protoeukaryotes. While asserting the unprovable existence of extinct lines of eukaryotes is unsatisfying, if not unscientific, extinction is commonplace, and the argument seems, on t ...
J153
... for the repeating distance of bipolar plates in the stack, in keeping with the US-DOE target for volumetric power density of 2 kW/L. Flow field design has been shown to play a key role in influencing the water flooding in the channels. Both serpentine and interdigitated flow fields have shown reduce ...
... for the repeating distance of bipolar plates in the stack, in keeping with the US-DOE target for volumetric power density of 2 kW/L. Flow field design has been shown to play a key role in influencing the water flooding in the channels. Both serpentine and interdigitated flow fields have shown reduce ...
Metaplastic carcinoma of the breast: A clinicopathological review
... 1) GM Tse, PHTom, TC Putti, PCW Leri, B.Chaiwon, BKB Law; Metaplastic carcinoma of breast: A clinicopathological review J clinicopatholol.oct 2006; 59(10): 1079-1083. | 2) Wargotz ES, Does PH, Norris HJ, Metaplastic carcinoma of breast. II. Spindle cell carcinoma. Hum pathol 1989.20732740.740 (Pubme ...
... 1) GM Tse, PHTom, TC Putti, PCW Leri, B.Chaiwon, BKB Law; Metaplastic carcinoma of breast: A clinicopathological review J clinicopatholol.oct 2006; 59(10): 1079-1083. | 2) Wargotz ES, Does PH, Norris HJ, Metaplastic carcinoma of breast. II. Spindle cell carcinoma. Hum pathol 1989.20732740.740 (Pubme ...
Exercise 4 - ROOTS
... stems, leaves, flowers, fruits) produced by primary growth and sometimes added on to by secondary growth to produce a multitude of herbaceous and woody plant species. Two major classes exist with the flowering plants, also called angiosperms, found within the Kingdom Plantae. The more ancient lineag ...
... stems, leaves, flowers, fruits) produced by primary growth and sometimes added on to by secondary growth to produce a multitude of herbaceous and woody plant species. Two major classes exist with the flowering plants, also called angiosperms, found within the Kingdom Plantae. The more ancient lineag ...
Immunocytochemical studies on the occurence of gamma
... diluted in PBS containing 0.5 % (w/v) Triton X-lOO and 0.0 I % (w/v) sodium azide for I hat 20°C. The normal swine serum was then replaced with primary antiserum diluted I : 1000 in PBS/Tritonlsodium azide with 0.1 % (w/v) BSA and incubated overnight at 4°C. After thorough rinsing in PBSrrritonIBSA, ...
... diluted in PBS containing 0.5 % (w/v) Triton X-lOO and 0.0 I % (w/v) sodium azide for I hat 20°C. The normal swine serum was then replaced with primary antiserum diluted I : 1000 in PBS/Tritonlsodium azide with 0.1 % (w/v) BSA and incubated overnight at 4°C. After thorough rinsing in PBSrrritonIBSA, ...
Mice transgenic for equine cyclin T1 and ELR1 are susceptible to
... support HIV-1 replication and are used for preliminary treatment assessments [15]. The combination of CD4 and the co-receptors CCR5 or CXCR4 can mediate the cell entry of HIV-1, and human cyclin T1 interacts with the viral Tat protein in a species-restricted manner to promote virus RNA transcription ...
... support HIV-1 replication and are used for preliminary treatment assessments [15]. The combination of CD4 and the co-receptors CCR5 or CXCR4 can mediate the cell entry of HIV-1, and human cyclin T1 interacts with the viral Tat protein in a species-restricted manner to promote virus RNA transcription ...
DNA damage induces nucleoid compaction via the Mre11Rad50
... that the latter are not yet dead at time of microscopy, because they respond by nucleoid compaction and remain impermeable to propidium iodide (Fig. 2A). Furthermore, we found that treatment with the DNA replication inhibitor aphidicolin induces pronounced nucleoid compaction (Fig. 1F), when used at ...
... that the latter are not yet dead at time of microscopy, because they respond by nucleoid compaction and remain impermeable to propidium iodide (Fig. 2A). Furthermore, we found that treatment with the DNA replication inhibitor aphidicolin induces pronounced nucleoid compaction (Fig. 1F), when used at ...
In the prevailing view Conducitn is usually considered to act as a
... interacts less efficiently with Dvl2 than axin making it largely resistant to inhibition by Dvl2. Thus, functional rather than expression differences determine the differential roles of axin and conductin as constitutive versus inducible inhibitors of Wnt signalling. Results and discussion The relat ...
... interacts less efficiently with Dvl2 than axin making it largely resistant to inhibition by Dvl2. Thus, functional rather than expression differences determine the differential roles of axin and conductin as constitutive versus inducible inhibitors of Wnt signalling. Results and discussion The relat ...
Pattern Specification and Pattern Regulation in the Embryonic Chick
... anterior cells (Saunders and Gasseling, 1968). These posterior limb bud cells were named the Zone of Polarizing Activity (ZPA) (Balcuns et al, 1970) and the ZPA of a limb bud was operationally defined as those posterior cells that have the capacity of stimulating the formation of polarized supernume ...
... anterior cells (Saunders and Gasseling, 1968). These posterior limb bud cells were named the Zone of Polarizing Activity (ZPA) (Balcuns et al, 1970) and the ZPA of a limb bud was operationally defined as those posterior cells that have the capacity of stimulating the formation of polarized supernume ...
Glucocorticoid Receptor-mediated Suppression of the Interleukin 2
... The immunosuppressant hormone dexamethasone (Dex) interferes with T cell-specific signals activating the enhancer sequences directing interleukin 2 (IL-2) transcription. We report that the Dex-dependent downregulation of 12-O-tetradecanoyl-phorbo1-13-acetate (TPA) and calcium ionophore-induced activ ...
... The immunosuppressant hormone dexamethasone (Dex) interferes with T cell-specific signals activating the enhancer sequences directing interleukin 2 (IL-2) transcription. We report that the Dex-dependent downregulation of 12-O-tetradecanoyl-phorbo1-13-acetate (TPA) and calcium ionophore-induced activ ...
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... INTRODUCTION The Notch and Wnt pathways are two of only a handful of highly conserved signalling pathways that control cell-fate decisions during the formation and maintenance of tissues in animal embryogenesis and adult homeostasis (Pires-daSilva and Sommer, 2003). However, they typically have dist ...
... INTRODUCTION The Notch and Wnt pathways are two of only a handful of highly conserved signalling pathways that control cell-fate decisions during the formation and maintenance of tissues in animal embryogenesis and adult homeostasis (Pires-daSilva and Sommer, 2003). However, they typically have dist ...
Working paper - Complex Systems Lab
... a better understanding of possible prebiotic scenarios in which cellular life could have originated (Maynard Smith and Szathmáry, 2001) as well as to the design and synthesis of artificial protocells (Rasmussen et al., 2004). Considering a minimal cell structure, basically two mechanisms can give o ...
... a better understanding of possible prebiotic scenarios in which cellular life could have originated (Maynard Smith and Szathmáry, 2001) as well as to the design and synthesis of artificial protocells (Rasmussen et al., 2004). Considering a minimal cell structure, basically two mechanisms can give o ...
MAUREEN CAROLINE McCANN Nationality
... machinery of the plant cell wall contributes to cell growth and specialization, and thus to the final stature and form of plants. The plant cell wall is a highly organized composite of many different polysaccharides, proteins, and aromatic substances that undergo dynamic changes during cell division ...
... machinery of the plant cell wall contributes to cell growth and specialization, and thus to the final stature and form of plants. The plant cell wall is a highly organized composite of many different polysaccharides, proteins, and aromatic substances that undergo dynamic changes during cell division ...
Discovery of frameshifting in Alphavirus 6K resolves a 20
... Background: The genus Alphavirus includes several potentially lethal human viruses. Additionally, species such as Sindbis virus and Semliki Forest virus are important vectors for gene therapy, vaccination and cancer research, and important models for virion assembly and structural analyses. The geno ...
... Background: The genus Alphavirus includes several potentially lethal human viruses. Additionally, species such as Sindbis virus and Semliki Forest virus are important vectors for gene therapy, vaccination and cancer research, and important models for virion assembly and structural analyses. The geno ...
Amoeba and Paramecium
... Paramecium Grammers • Growth: 0.05 mm avg. • Respond: -react to chemicals – salt and vinegar -live in slightly acidic environments (stagnant H2O) -anterior end sensitive – move by trial and error ...
... Paramecium Grammers • Growth: 0.05 mm avg. • Respond: -react to chemicals – salt and vinegar -live in slightly acidic environments (stagnant H2O) -anterior end sensitive – move by trial and error ...
Patent ductus arteriosus in mice with smooth muscle
... Surprisingly, we found that vascular smooth muscle cell differentiation defects in Jag1-SMcko mice were restricted to the region of the ductus arteriosus and the adjacent descending aorta. Both the ascending limb of the aorta (Fig. 2D⬘-F⬘) and the pulmonary artery trunk (Fig. 2G⬘-I⬘) of the mutant e ...
... Surprisingly, we found that vascular smooth muscle cell differentiation defects in Jag1-SMcko mice were restricted to the region of the ductus arteriosus and the adjacent descending aorta. Both the ascending limb of the aorta (Fig. 2D⬘-F⬘) and the pulmonary artery trunk (Fig. 2G⬘-I⬘) of the mutant e ...
Biology I Framework Competencies
... 6. Demonstrate an understanding of principles that explain the diversity of life and biological evolution. a. Draw conclusions about how organisms are classified into a hierarchy of groups and subgroups based on similarities that reflect their evolutionary relationships. (DOK 2) Characteristics of t ...
... 6. Demonstrate an understanding of principles that explain the diversity of life and biological evolution. a. Draw conclusions about how organisms are classified into a hierarchy of groups and subgroups based on similarities that reflect their evolutionary relationships. (DOK 2) Characteristics of t ...
Rb is required for progression through myogenic differentiation but
... proliferating myoblasts and is down-regulated during differentiation. Myogenin is not expressed in proliferating myoblasts and is up-regulated in mononuclear cells as an early response gene during induction of differentiation. Finally, MHC is up-regulated relatively late in the differentiation progr ...
... proliferating myoblasts and is down-regulated during differentiation. Myogenin is not expressed in proliferating myoblasts and is up-regulated in mononuclear cells as an early response gene during induction of differentiation. Finally, MHC is up-regulated relatively late in the differentiation progr ...
tubulin isotypes - Journal of Cell Science
... 1984). In the yeast Schizosaccharomyces pombe two functional ar-tubulin genes have been identified; the genes are dispersed within the genome, one having an intron and one being intronless (Toda et al. 1984). In unicellular organisms there appear to be no simple paradigms governing the number or arr ...
... 1984). In the yeast Schizosaccharomyces pombe two functional ar-tubulin genes have been identified; the genes are dispersed within the genome, one having an intron and one being intronless (Toda et al. 1984). In unicellular organisms there appear to be no simple paradigms governing the number or arr ...
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... nuclear lamina [56]. This autophagic degradation of lamin B1 results in oncogene-induced senescence and subsequent tumor suppression [56]. A recent study also demonstrated that selective autophagy, which specifically degrades GATA4, a key regulator of the SASP and cellular senescence during aging, p ...
... nuclear lamina [56]. This autophagic degradation of lamin B1 results in oncogene-induced senescence and subsequent tumor suppression [56]. A recent study also demonstrated that selective autophagy, which specifically degrades GATA4, a key regulator of the SASP and cellular senescence during aging, p ...
Therapeutic approaches to Lysosomal Storage Disorders
... required for membrane fusion. SNARE proteins are classified as vesicle SNAREs (vSNAREs), located on the vesicles membrane, and target SNAREs (t-SNAREs), located on the membranes of target compartments. SNAREs may vary in size and composition, but they all share a 60-70 amino acid cytosolic domain ( ...
... required for membrane fusion. SNARE proteins are classified as vesicle SNAREs (vSNAREs), located on the vesicles membrane, and target SNAREs (t-SNAREs), located on the membranes of target compartments. SNAREs may vary in size and composition, but they all share a 60-70 amino acid cytosolic domain ( ...