CHAPTER 19: RESPIRATORY SYSTEM
... transport it into the microscopic air sacs where gases are exchanged. B. The entire process of exchanging gases between the atmosphere and body cells is called respiration. C. Respiration includes 5 parts: ...
... transport it into the microscopic air sacs where gases are exchanged. B. The entire process of exchanging gases between the atmosphere and body cells is called respiration. C. Respiration includes 5 parts: ...
Combination of prednisolone and low dosed dexamethasone
... samples by gradient centrifugation and isolated lymphoblasts were incubated with PRED (prednisolone dinatrium-phosphate, Netherland), DEX (dexamethasonii natrii phosphas, Medochem Ltd.) or the PRED&DEX combination at 37 oC under a humidified atmosphere containing 5% CO2 for 72 h in 96-well plates. T ...
... samples by gradient centrifugation and isolated lymphoblasts were incubated with PRED (prednisolone dinatrium-phosphate, Netherland), DEX (dexamethasonii natrii phosphas, Medochem Ltd.) or the PRED&DEX combination at 37 oC under a humidified atmosphere containing 5% CO2 for 72 h in 96-well plates. T ...
RNA polymerase III component Rpc9 regulates
... the oxygen and immunoprotection demand in early embryogenesis, whereas definitive hematopoiesis gives rise to hematopoietic stem and progenitor cells (HSPCs) capable of self-renewal and differentiation into all lineages of blood cells that sustain physiological homeostasis throughout the lifetime (C ...
... the oxygen and immunoprotection demand in early embryogenesis, whereas definitive hematopoiesis gives rise to hematopoietic stem and progenitor cells (HSPCs) capable of self-renewal and differentiation into all lineages of blood cells that sustain physiological homeostasis throughout the lifetime (C ...
Corticotropin-releasing hormone induces vascular endothelial
... precise mechanism by which CRH induces VEGF secretion has not yet been defined. Here, we show that CRH-induced VEGF release was dose-dependently inhibited by the specific protein kinase A inhibitor H89 or the p38 mitogen-activated protein kinase (MAPK) inhibitor SB203580, but not by the specific inh ...
... precise mechanism by which CRH induces VEGF secretion has not yet been defined. Here, we show that CRH-induced VEGF release was dose-dependently inhibited by the specific protein kinase A inhibitor H89 or the p38 mitogen-activated protein kinase (MAPK) inhibitor SB203580, but not by the specific inh ...
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... k-fibers are under tension, leaving us with a paradox about the origin of the curved shape of the spindle. Let us imagine that something connects sister k-fibers and makes them follow a smooth arc. What could this structure be? The type of material that is able to link k-fibers in such a way must be of ...
... k-fibers are under tension, leaving us with a paradox about the origin of the curved shape of the spindle. Let us imagine that something connects sister k-fibers and makes them follow a smooth arc. What could this structure be? The type of material that is able to link k-fibers in such a way must be of ...
Synergistic interaction between C5a and NOD2 signaling
... as well as circulating innate immune pathways, such as complement, are activated by pathogens/danger signals, inducing inflammatory responses in response to infection and/or tissue injury. While individual signaling pathways for PRRs and complement are relatively well understood, the complex interac ...
... as well as circulating innate immune pathways, such as complement, are activated by pathogens/danger signals, inducing inflammatory responses in response to infection and/or tissue injury. While individual signaling pathways for PRRs and complement are relatively well understood, the complex interac ...
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... they arrive in the epidermis, where they develop small legs, or dendrites. These are the skin’s guardians, programmed to induce an immune response when something they don’t recognize comes in contact with the skin. Ingredients that have been treated with our proprietary fermentation technique are ac ...
... they arrive in the epidermis, where they develop small legs, or dendrites. These are the skin’s guardians, programmed to induce an immune response when something they don’t recognize comes in contact with the skin. Ingredients that have been treated with our proprietary fermentation technique are ac ...
figure 1 - Open Biology
... driving chromosome segregation in eukaryotes. One exception is the segregation of high-copy-number plasmids in prokaryotes, which are thought to use passive diffusion [5,6]. Furthermore, the mechanisms that drive directional chromosome segregation remain elusive [7]. Chromosome segregation in eukary ...
... driving chromosome segregation in eukaryotes. One exception is the segregation of high-copy-number plasmids in prokaryotes, which are thought to use passive diffusion [5,6]. Furthermore, the mechanisms that drive directional chromosome segregation remain elusive [7]. Chromosome segregation in eukary ...
Review Questions
... DNA phages. Give example of phages that use this cycle and their shape Explain the cycle of the lytic phage by single stranded RNA phages. Give example of phages that use this cycle and their shape. Explain the cycle of the latent state by phage lamda.What is the genome structure and the shape o ...
... DNA phages. Give example of phages that use this cycle and their shape Explain the cycle of the lytic phage by single stranded RNA phages. Give example of phages that use this cycle and their shape. Explain the cycle of the latent state by phage lamda.What is the genome structure and the shape o ...
The sliding theory of cytoplasmic streaming: fifty years of progress
... myosin-like component on the surface of organelles) reminded us of the so-called rigor cross-bridge of skeletal muscle myosin. Nagai and Hayama (1979) used electron microscopy to elucidate the morphological basis of the myosin-like component in tonoplastfree cells. They found that the endoplasmic or ...
... myosin-like component on the surface of organelles) reminded us of the so-called rigor cross-bridge of skeletal muscle myosin. Nagai and Hayama (1979) used electron microscopy to elucidate the morphological basis of the myosin-like component in tonoplastfree cells. They found that the endoplasmic or ...
How and why does β-actin mRNA target?
... the zipcode sequence (Kislauskis et al., 1994) or by disrupting the secondary structure of the zipcode (St Johnston, 1995; Ross et al., 1997). In somatic cells, sequence analysis has revealed several regions in the zipcode that are conserved among β-actin mRNAs of several species, in particular the ...
... the zipcode sequence (Kislauskis et al., 1994) or by disrupting the secondary structure of the zipcode (St Johnston, 1995; Ross et al., 1997). In somatic cells, sequence analysis has revealed several regions in the zipcode that are conserved among β-actin mRNAs of several species, in particular the ...
Golgi clusters and vesicles mediate mitotic inheritance
... croscopical procedures used to date, we have carried out a multidisciplinary approach using time-lapse fluorescence microscopy, EM reconstruction of mitotic cells from serial thin sections, and sensitive cytochemical staining using an HRP–Golgi resident chimera. We have been unable to find any evide ...
... croscopical procedures used to date, we have carried out a multidisciplinary approach using time-lapse fluorescence microscopy, EM reconstruction of mitotic cells from serial thin sections, and sensitive cytochemical staining using an HRP–Golgi resident chimera. We have been unable to find any evide ...
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... cells [11]. However, PAKs were shown to play a limited role in the anti-apoptotic activity of PRV US3 [12]. EHV-1 and EHV-4 are members of the genus Varicellovirus in the Alphaherpesvirinae subfamily [13,14]. Although closely related as reflected by extensive similarity of the amino acid sequences o ...
... cells [11]. However, PAKs were shown to play a limited role in the anti-apoptotic activity of PRV US3 [12]. EHV-1 and EHV-4 are members of the genus Varicellovirus in the Alphaherpesvirinae subfamily [13,14]. Although closely related as reflected by extensive similarity of the amino acid sequences o ...
Rac1 accumulates in the nucleus during the G2 phase of the cell
... type, we studied the distribution of these proteins in multiple cell lines including MDCK, COS-1, and porcine aortic endothelial (PAE) cells (Fig. 1, B and C) and ECV304 human bladder carcinoma, HeLa, and NIH 3T3 (not depicted). GFP-Rac1 ranged from 5 ± 2% nuclear in MDCK cells to 30 ± 5% nuclear in ...
... type, we studied the distribution of these proteins in multiple cell lines including MDCK, COS-1, and porcine aortic endothelial (PAE) cells (Fig. 1, B and C) and ECV304 human bladder carcinoma, HeLa, and NIH 3T3 (not depicted). GFP-Rac1 ranged from 5 ± 2% nuclear in MDCK cells to 30 ± 5% nuclear in ...
The sliding theory of cytoplasmic streaming: fifty years of
... myosin-like component on the surface of organelles) reminded us of the so-called rigor cross-bridge of skeletal muscle myosin. Nagai and Hayama (1979) used electron microscopy to elucidate the morphological basis of the myosin-like component in tonoplastfree cells. They found that the endoplasmic or ...
... myosin-like component on the surface of organelles) reminded us of the so-called rigor cross-bridge of skeletal muscle myosin. Nagai and Hayama (1979) used electron microscopy to elucidate the morphological basis of the myosin-like component in tonoplastfree cells. They found that the endoplasmic or ...
19. ch 18(361-383) RESPIRATION
... The Alveoli At the end of the terminal bronchioles, the smallest subdivisions of the bronchial tree, there are clusters of tiny air sacs in which most gas exchange takes place. These sacs are known as alveoli (al-VE-o-li) (sing. alveolus) (see Fig. 18-2). The wall of each alveolus is made of a singl ...
... The Alveoli At the end of the terminal bronchioles, the smallest subdivisions of the bronchial tree, there are clusters of tiny air sacs in which most gas exchange takes place. These sacs are known as alveoli (al-VE-o-li) (sing. alveolus) (see Fig. 18-2). The wall of each alveolus is made of a singl ...
Vesicular transport of newly synthesized opsin from the Golgi
... min after light onset. Eye cups prepared by surgical removal of cornea, iris, and lens were fixed either in 2% paraformaldehyde and 2.5% glutaraldehyde in 0.1 M cacodylate buffer at pH 7.4 (tadpoles), the same aldehydes in 0.067 M cacodylate buffer (postmetamorphic juveniles), or 4% paraformaldehyde ...
... min after light onset. Eye cups prepared by surgical removal of cornea, iris, and lens were fixed either in 2% paraformaldehyde and 2.5% glutaraldehyde in 0.1 M cacodylate buffer at pH 7.4 (tadpoles), the same aldehydes in 0.067 M cacodylate buffer (postmetamorphic juveniles), or 4% paraformaldehyde ...
Occlusive thrombi arise in mammals but not birds in
... Thrombocyte-rich plasma or platelet-rich plasma was incubated with [3H] 5-HT (2 µCi [0.074 MBg]/mL) at 37 °C for 30 min. Thrombocyte or platelet suspensions were washed and resuspended to final concentration of 2 x 107 cells per mL or 2 x 108 platelets per mL, respectively in modified Tyrode’s buffe ...
... Thrombocyte-rich plasma or platelet-rich plasma was incubated with [3H] 5-HT (2 µCi [0.074 MBg]/mL) at 37 °C for 30 min. Thrombocyte or platelet suspensions were washed and resuspended to final concentration of 2 x 107 cells per mL or 2 x 108 platelets per mL, respectively in modified Tyrode’s buffe ...
(1) Urine samples collected randomly during the day are - E
... (1) Urine samples collected randomly during the day are sometimes so dilute due to increased fluid consumption that they tend to give a false picture of patient’s health. (2) However, for detection of glycosuria post—prandial urine (sample collected, 2 hrs. after lunch or dinner) is the best. ...
... (1) Urine samples collected randomly during the day are sometimes so dilute due to increased fluid consumption that they tend to give a false picture of patient’s health. (2) However, for detection of glycosuria post—prandial urine (sample collected, 2 hrs. after lunch or dinner) is the best. ...
The subunit of voltage sensitive Ca 2+ channels is a single
... types of antibodies were used: one type was generated against a GST-~2-fusion protein (Leu 645 Tyr856; see section 2) and the other against a 19 amino acid peptide (LysSC~-lle526) within the alternatively spliced region [20-21]. As shown in Fig. 2B, the reduced a2/5 is expressed as a 140 kDa protein ...
... types of antibodies were used: one type was generated against a GST-~2-fusion protein (Leu 645 Tyr856; see section 2) and the other against a 19 amino acid peptide (LysSC~-lle526) within the alternatively spliced region [20-21]. As shown in Fig. 2B, the reduced a2/5 is expressed as a 140 kDa protein ...
Differential localization of LTA synthesis proteins and their
... In the rod-shaped bacteria Bacillus subtilis and Listeria monocytogenes, the absence of LTA results in a severe filamentation phenotype, highlighting a requirement of LTA for proper cell division in these bacteria (Schirner et al., 2009; Webb et al., 2009; Wörmann et al., 2011a). This is further emp ...
... In the rod-shaped bacteria Bacillus subtilis and Listeria monocytogenes, the absence of LTA results in a severe filamentation phenotype, highlighting a requirement of LTA for proper cell division in these bacteria (Schirner et al., 2009; Webb et al., 2009; Wörmann et al., 2011a). This is further emp ...
COLEGIO DECROLY AMERICANO
... Explain natural selection and its role in the evolution of species. Describe adaptations and variations. Understand the necessities for fossil formation. Describe how fossils are dated and what they can reveal. Analyze unanswered questions about evolution. Trace the evolutionary history of Primates. ...
... Explain natural selection and its role in the evolution of species. Describe adaptations and variations. Understand the necessities for fossil formation. Describe how fossils are dated and what they can reveal. Analyze unanswered questions about evolution. Trace the evolutionary history of Primates. ...
estimating abundance respirating bacteria
... as a vital stain for enumeration of respiring bacteria in situ. Questions concerning its efficacy have been raised. We propose that the abundance of CTC-positive (CTC+)bacteria is a useful parameter in microbial ecology based on the following information: (1) Taxonomically diverse strains of aerobic ...
... as a vital stain for enumeration of respiring bacteria in situ. Questions concerning its efficacy have been raised. We propose that the abundance of CTC-positive (CTC+)bacteria is a useful parameter in microbial ecology based on the following information: (1) Taxonomically diverse strains of aerobic ...
Introduction to Microbiology
... Microbiology is the study of organisms, called micro-organisms, that are too small to be perceived clearly by the unaided eye. If an object has a diameter of less than 0.1 mm, the eye cannot perceive it at all, and very little detail can be perceived in an object with a diameter of 1 mm. In general, ...
... Microbiology is the study of organisms, called micro-organisms, that are too small to be perceived clearly by the unaided eye. If an object has a diameter of less than 0.1 mm, the eye cannot perceive it at all, and very little detail can be perceived in an object with a diameter of 1 mm. In general, ...
Runions et al - Oxford Academic
... Fig. 1. GFP marks the endoplasmic reticulum (green) and RFP marks Golgi bodies (ST-mRFP; red) in tobacco leaf abaxial epidermal cells. (a) The cortical ER network marked by GFP-HDEL has two different spatial domains; the reticulate ER which is slow to remodel and fast moving strands (arrowheads) tha ...
... Fig. 1. GFP marks the endoplasmic reticulum (green) and RFP marks Golgi bodies (ST-mRFP; red) in tobacco leaf abaxial epidermal cells. (a) The cortical ER network marked by GFP-HDEL has two different spatial domains; the reticulate ER which is slow to remodel and fast moving strands (arrowheads) tha ...