2) A dynamic cell adhesion surface regulates tissue architecture in
... anisotropy in cell shape indicates cell polarity. Thus, it was assumed that cell behaviors lacked directionality in round resting chondrocytes, whereas it was thought that the cell alignment, positioning of the division plane, and cell rearrangement of the discoid proliferative chondrocytes were lin ...
... anisotropy in cell shape indicates cell polarity. Thus, it was assumed that cell behaviors lacked directionality in round resting chondrocytes, whereas it was thought that the cell alignment, positioning of the division plane, and cell rearrangement of the discoid proliferative chondrocytes were lin ...
Answer Keys - My Anatomy Mentor
... 1b. Human or onion cells do not possess chloroplasts. Onions do not photosynthesize because they are the roots of the plant. 1c. Plants: cell wall, chloroplasts, large vacuoles, no centrioles; Animal: no cell wall, no chloroplasts, smaller ...
... 1b. Human or onion cells do not possess chloroplasts. Onions do not photosynthesize because they are the roots of the plant. 1c. Plants: cell wall, chloroplasts, large vacuoles, no centrioles; Animal: no cell wall, no chloroplasts, smaller ...
Module 13: The Endocrine System: Hormones and Receptors
... a normal healthy system, we tend to rely most on the first two mechanisms. Also, many systems are regulated by more than one hormone, so there is balance on even more levels (one hormone increases blood pressure, another lowers it). In many endocrine diseases we can point to malfunctions in one or m ...
... a normal healthy system, we tend to rely most on the first two mechanisms. Also, many systems are regulated by more than one hormone, so there is balance on even more levels (one hormone increases blood pressure, another lowers it). In many endocrine diseases we can point to malfunctions in one or m ...
Cell-cycle regulation
... formation of haploid gametes, and endoreduplication (or: "endoreplication") cycles in which S phases are not followed by mitosis. These variant cell cycles form part of the stereotypical pattern of cell divisions during C. elegans development. Cell external signals and cell intrinsic information tog ...
... formation of haploid gametes, and endoreduplication (or: "endoreplication") cycles in which S phases are not followed by mitosis. These variant cell cycles form part of the stereotypical pattern of cell divisions during C. elegans development. Cell external signals and cell intrinsic information tog ...
Cell cycle progression in response to oxygen levels | SpringerLink
... the population, leading to an even more hypoxic environment. Early studies on the effect of hypoxia on the cell cycle revealed the induction of a reversible cell cycle arrest when cells were exposed to prolonged hypoxia [41]. Flow cytometry analysis showed that there was a decrease in the percentage ...
... the population, leading to an even more hypoxic environment. Early studies on the effect of hypoxia on the cell cycle revealed the induction of a reversible cell cycle arrest when cells were exposed to prolonged hypoxia [41]. Flow cytometry analysis showed that there was a decrease in the percentage ...
PLoS Pathogens
... C212 in HopZ1b) substituted by alanines lose the virulence function or the HR-triggering activity, indicating that the functions of HopZ1 alleles require their enzymatic activities [9,14]. In addition, HopZ1 has a potential N-terminal myristoylation site (Gly2) which directs the proteins to the plas ...
... C212 in HopZ1b) substituted by alanines lose the virulence function or the HR-triggering activity, indicating that the functions of HopZ1 alleles require their enzymatic activities [9,14]. In addition, HopZ1 has a potential N-terminal myristoylation site (Gly2) which directs the proteins to the plas ...
Terminal Cytokinesis Events Uncovered after an RNAi Screen
... contraction of an internal acto-myosin ring is not sufficient to allow fusion of the opposing cellular membranes, a step required for the topological separation of daughter cells. Rather, as first described by Flemming in 1891 (see [7]), a persistent intercellular bridge forms around the spindle rem ...
... contraction of an internal acto-myosin ring is not sufficient to allow fusion of the opposing cellular membranes, a step required for the topological separation of daughter cells. Rather, as first described by Flemming in 1891 (see [7]), a persistent intercellular bridge forms around the spindle rem ...
Platelet granule exocytosis: a comparison with chromaffin cells
... that there are different α-granule subpopulations that store distinct cargo. However, the number of discrete types of α-granule is not known. Evidence that α-granules are heterogeneous comes from several sources. Immunofluorescence microscopy demonstrated that the two α-granule cargos von Willebrand ...
... that there are different α-granule subpopulations that store distinct cargo. However, the number of discrete types of α-granule is not known. Evidence that α-granules are heterogeneous comes from several sources. Immunofluorescence microscopy demonstrated that the two α-granule cargos von Willebrand ...
document
... thin skin laterally, mucosa medially, and an intervening fibrous layer. The fibrous layer thickens along the circumference to form the annulus, an incomplete ring which is fixed into a groove, the tympanic sulcus in the bone at the inner end of the meatus The tympanic sulcus is deficient superiorly, ...
... thin skin laterally, mucosa medially, and an intervening fibrous layer. The fibrous layer thickens along the circumference to form the annulus, an incomplete ring which is fixed into a groove, the tympanic sulcus in the bone at the inner end of the meatus The tympanic sulcus is deficient superiorly, ...
Enzymes for Pharma Applications
... enzymes like pepsin, trypsin, lipase, and amylase break down food compounds into simpler compounds that are then converted into energy for the body. Bio-catalysts: Enzymes are substances that accelerate chemical reactions without being consumed in the process. Industrial enzymes are most frequently ...
... enzymes like pepsin, trypsin, lipase, and amylase break down food compounds into simpler compounds that are then converted into energy for the body. Bio-catalysts: Enzymes are substances that accelerate chemical reactions without being consumed in the process. Industrial enzymes are most frequently ...
Full-Text PDF
... evenly. Others were secreted to the acinar cavity. The presence of all these kinds of lipid droplets demonstrated that DCMECs exhibited a specific phenotype during lactation. We tested the effects of leucine on the proliferative and secretory properties of DCMECs. Our results showed that proteins re ...
... evenly. Others were secreted to the acinar cavity. The presence of all these kinds of lipid droplets demonstrated that DCMECs exhibited a specific phenotype during lactation. We tested the effects of leucine on the proliferative and secretory properties of DCMECs. Our results showed that proteins re ...
Methods for imaging and detecting modification of proteins
... primary components of the diet, biological membranes, and lipoproteins, and they are substrates for lipid peroxidation (LPO) [1–3]. They readily undergo nonenzymatic peroxidation during oxidative stress or are oxidized through reactions involving enzymes such as cyclooxygenase, cytochrome P450, or t ...
... primary components of the diet, biological membranes, and lipoproteins, and they are substrates for lipid peroxidation (LPO) [1–3]. They readily undergo nonenzymatic peroxidation during oxidative stress or are oxidized through reactions involving enzymes such as cyclooxygenase, cytochrome P450, or t ...
Document
... Abstract— S erum; a clear portion of blood obtained after removing cells, platelets and clotting factors is a universal supplement commonly used in media for mammalian cell culture system. Serum contains amino acids, proteins, growth factors, hormones, vitamins, inorganic substances, nutrients and m ...
... Abstract— S erum; a clear portion of blood obtained after removing cells, platelets and clotting factors is a universal supplement commonly used in media for mammalian cell culture system. Serum contains amino acids, proteins, growth factors, hormones, vitamins, inorganic substances, nutrients and m ...
Job Sharing in the Endomembrane System: Vacuolar
... their unique cell architecture. Their often large cell volumes are filled with a central vacuole containing mostly water and solutes that allow plants to maximize collection of solar energy and mineral nutrients by increasing the surface of their photosynthesizing and nutrient-absorbing organs at min ...
... their unique cell architecture. Their often large cell volumes are filled with a central vacuole containing mostly water and solutes that allow plants to maximize collection of solar energy and mineral nutrients by increasing the surface of their photosynthesizing and nutrient-absorbing organs at min ...
Electrocardioqraphic criteria for predicting the site of coronary artery
... filter, and many explain the spread of Rgene to many different species . As opposed to ordinary transposons , which can jump within cell from one DNA location to another, conjugative transposons also encode the ability to bring about conjugation between different bacterial cells[6, 7 ,8]. ...
... filter, and many explain the spread of Rgene to many different species . As opposed to ordinary transposons , which can jump within cell from one DNA location to another, conjugative transposons also encode the ability to bring about conjugation between different bacterial cells[6, 7 ,8]. ...
Sarcolemmal cholesterol and caveolin-3 dependence of - AJP
... Perfused heart preparation. Mice were anesthetized with 60 mg/kg pentobarbital sodium, and hearts removed and perfused as previously described (16, 37, 58). Briefly, hearts were rapidly excised into ice-cold perfusion fluid, the aorta was cannulated, and the coronary circulation was perfused in Lang ...
... Perfused heart preparation. Mice were anesthetized with 60 mg/kg pentobarbital sodium, and hearts removed and perfused as previously described (16, 37, 58). Briefly, hearts were rapidly excised into ice-cold perfusion fluid, the aorta was cannulated, and the coronary circulation was perfused in Lang ...
Cell size: a consequence of growth and division?
... a particular threshold, triggers cell growth. In each of the above cases, growth and cell division are regulated such that when a cell enters mitosis it has achieved the appropriate size. These mechanisms are not all mutually exclusive. For example, models one and three could co-exist if the signal ...
... a particular threshold, triggers cell growth. In each of the above cases, growth and cell division are regulated such that when a cell enters mitosis it has achieved the appropriate size. These mechanisms are not all mutually exclusive. For example, models one and three could co-exist if the signal ...
Links between apoptosis, proliferation and the cell cycle (PDF
... apoptosis. This hypothesis is supported by radiolabelled iron ferrokinetic studies in hypertransfused mice that showed continued production of erythroid progenitor cells but no increase in their number, indicating the direct involvement of apoptosis in this situation.5 As both hypotheses involve cha ...
... apoptosis. This hypothesis is supported by radiolabelled iron ferrokinetic studies in hypertransfused mice that showed continued production of erythroid progenitor cells but no increase in their number, indicating the direct involvement of apoptosis in this situation.5 As both hypotheses involve cha ...
Microtubule and F-actin dynamics at the division site in living
... Microinjection of living cells We describe here aspects of in vivo dynamics of cortical MTs and F-actin in living Tradescantia stamen hair cells, observed by confocal microscopy after microinjection of either Rh-phalloidin or carboxyfluorescein-labelled tubulin. An issue that needs to be addressed a ...
... Microinjection of living cells We describe here aspects of in vivo dynamics of cortical MTs and F-actin in living Tradescantia stamen hair cells, observed by confocal microscopy after microinjection of either Rh-phalloidin or carboxyfluorescein-labelled tubulin. An issue that needs to be addressed a ...