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... segregation of cytoplasmic factors are responsible for enters both blastomeres after the first cleavage, can the differences in fate that distinguish one cell from the produce mirror-symmetrical double embryos. In Tub$ex, yolk-poor cytoplasm accumulates at the polar regions other three in the four-c ...
... segregation of cytoplasmic factors are responsible for enters both blastomeres after the first cleavage, can the differences in fate that distinguish one cell from the produce mirror-symmetrical double embryos. In Tub$ex, yolk-poor cytoplasm accumulates at the polar regions other three in the four-c ...
Cellular Mechanics
... • The sensory neurons in muscles and tendons tranduce strain energy all the way to an action potential. • Most other cells just use strain energy to adjust the cytoskeleton structure. ...
... • The sensory neurons in muscles and tendons tranduce strain energy all the way to an action potential. • Most other cells just use strain energy to adjust the cytoskeleton structure. ...
In vitro control of neuronal polarity by
... their high content of negative charges. Thus, it is not surprising that GAGs, in the absence of their protein cores, can themselves be biologically active entities (Verna et al., 1989). However, the exact role and mode of action of proteoglycans and, in particular, the actual function of the complex ...
... their high content of negative charges. Thus, it is not surprising that GAGs, in the absence of their protein cores, can themselves be biologically active entities (Verna et al., 1989). However, the exact role and mode of action of proteoglycans and, in particular, the actual function of the complex ...
Concepts of Biology
... The microscopes we use today are far more complex than those used in the 1600s by Antony van Leeuwenhoek, a Dutch shopkeeper who had great skill in crafting lenses. Despite the limitations of his now-ancient lenses, van Leeuwenhoek observed the movements of protists (a type of single-celled organism ...
... The microscopes we use today are far more complex than those used in the 1600s by Antony van Leeuwenhoek, a Dutch shopkeeper who had great skill in crafting lenses. Despite the limitations of his now-ancient lenses, van Leeuwenhoek observed the movements of protists (a type of single-celled organism ...
Adjustment of Host Cells for Accommodation of
... surface–volume dynamics during nodule development. This showed that vacuole modification plays a crucial role in symbiotic cell progression. We hypothesized that the maintenance of symbiosomes requires a major adjustment of the vacuole formation pathway and tonoplast-targeted trafficking. Therefore, w ...
... surface–volume dynamics during nodule development. This showed that vacuole modification plays a crucial role in symbiotic cell progression. We hypothesized that the maintenance of symbiosomes requires a major adjustment of the vacuole formation pathway and tonoplast-targeted trafficking. Therefore, w ...
RETINOBLASTOMA RELATED1 Regulates
... and the corresponding positions in the regulatory loop, also called the P-loop, has a strong inhibitory function. The expression of a CDKA;1 variant in which Thr-161 was replaced with the nonphosphorylatable amino acid Val (cdka;12/2 ProCDKA;1: CDKA;1T161V) could not rescue cdka;1 mutants, consisten ...
... and the corresponding positions in the regulatory loop, also called the P-loop, has a strong inhibitory function. The expression of a CDKA;1 variant in which Thr-161 was replaced with the nonphosphorylatable amino acid Val (cdka;12/2 ProCDKA;1: CDKA;1T161V) could not rescue cdka;1 mutants, consisten ...
Cell Structure Jepordy
... • First hand up gets to select a category. • You then get to answer the questions until you get them wrong. • If you get it wrong the fastest had up will get to answer the question. To take the point. • You have 5 seconds to answer the question. ...
... • First hand up gets to select a category. • You then get to answer the questions until you get them wrong. • If you get it wrong the fastest had up will get to answer the question. To take the point. • You have 5 seconds to answer the question. ...
the cell cycle in action - Oxford Academic
... finger (CUL3-BTB/POZ); UV-damaged DNA binding protein 1 (CUL4-DDB1) and the anaphase-promoting complex/ cyclosome (APC/C). In the case of plants, the number of E3 ligases is much higher than in other eukaryotes (yeast and mammals for example), also suggesting a broader number of targets that might b ...
... finger (CUL3-BTB/POZ); UV-damaged DNA binding protein 1 (CUL4-DDB1) and the anaphase-promoting complex/ cyclosome (APC/C). In the case of plants, the number of E3 ligases is much higher than in other eukaryotes (yeast and mammals for example), also suggesting a broader number of targets that might b ...
The Molecular Basis of Self-Avoidance
... sequences; these differentially control localization of Dscam1 proteins to axons and dendrites (Wang et al. 2004, Shi et al. 2007, Yang et al. 2008). Finally, alternative splicing also generates different variants of the cytoplasmic domain, although how these variants contribute to Dscam1 function i ...
... sequences; these differentially control localization of Dscam1 proteins to axons and dendrites (Wang et al. 2004, Shi et al. 2007, Yang et al. 2008). Finally, alternative splicing also generates different variants of the cytoplasmic domain, although how these variants contribute to Dscam1 function i ...
3 | cell structure and function
... are used for locomotion. Pili are used to exchange genetic material during a type of reproduction called conjugation. Fimbriae are protein appendages used by bacteria to attach to other cells. ...
... are used for locomotion. Pili are used to exchange genetic material during a type of reproduction called conjugation. Fimbriae are protein appendages used by bacteria to attach to other cells. ...
Full-Text PDF
... Many studies on a molecular and a cellular scale have allowed a better understanding of the mechanisms involved in the establishment of the different tissues during plant development. Tissues grow in a well-organized fashion which shapes the plant’s final structure. Plant growth is the result of two ...
... Many studies on a molecular and a cellular scale have allowed a better understanding of the mechanisms involved in the establishment of the different tissues during plant development. Tissues grow in a well-organized fashion which shapes the plant’s final structure. Plant growth is the result of two ...
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... A) growth of actin filaments to form bulges in the plasma membrane B) setting up microtubule extensions that vesicles can follow in the movement of cytoplasm C) reinforcing the pseudopod with intermediate filaments D) cytoplasmic streaming Answer: A Bloom's Taxonomy: Knowledge/Comprehension Section: ...
... A) growth of actin filaments to form bulges in the plasma membrane B) setting up microtubule extensions that vesicles can follow in the movement of cytoplasm C) reinforcing the pseudopod with intermediate filaments D) cytoplasmic streaming Answer: A Bloom's Taxonomy: Knowledge/Comprehension Section: ...
Cell-wall Constituents of Rickettsiae and Psittacosis
... Morgan-Elson reaction for N-acetylhexosamines was obtained. Although bacterial cell-wall mucopeptides containing muramic acid are not the only polymers hydrolysed by lysozyme (for instance chitin, a p( 1-4)-linked poly N-acetylglucosamine, is attacked to some extent as Berger & Weiser (1957) showed) ...
... Morgan-Elson reaction for N-acetylhexosamines was obtained. Although bacterial cell-wall mucopeptides containing muramic acid are not the only polymers hydrolysed by lysozyme (for instance chitin, a p( 1-4)-linked poly N-acetylglucosamine, is attacked to some extent as Berger & Weiser (1957) showed) ...
Ultrastructural changes in the root tip and leaf cells of Lens culinaris
... Acanthospermum hispidum DC. were wilting and necrosis. In Avena sativa L., lipid biosynthesis and acetyl-CoA carboxylase (ACCase) activity were inhibited and electrolyte leakage from the shoots was increased as a result of exposure to fluazifopbutyl (Xiao & Hiroshi, 2002). At half to quadruple the s ...
... Acanthospermum hispidum DC. were wilting and necrosis. In Avena sativa L., lipid biosynthesis and acetyl-CoA carboxylase (ACCase) activity were inhibited and electrolyte leakage from the shoots was increased as a result of exposure to fluazifopbutyl (Xiao & Hiroshi, 2002). At half to quadruple the s ...
Connexin 43 mimetic peptide Gap27 reveals potential differences in
... young healthy donors [12]. Gap27 is a small synthetic connexin mimetic peptide with a sequence homology to the second extracellular loop of Cx43 [13, 14] and is a benign, specific and reversible inhibitor of Cx43 mediated direct cell–cell communication [13], which does not influence Cx43 expression ...
... young healthy donors [12]. Gap27 is a small synthetic connexin mimetic peptide with a sequence homology to the second extracellular loop of Cx43 [13, 14] and is a benign, specific and reversible inhibitor of Cx43 mediated direct cell–cell communication [13], which does not influence Cx43 expression ...
Distinct fluorescent pattern of KAT1::GFP in the plasma membrane of
... mechanism which anchors KAT1 in the PM remains to be determined. KAT1 plays an important role in guard cell functioning. We therefore analysed turgid guard cells transiently expressing KAT1 fused to green fluorescent protein (GFP). KAT1::GFP was organised in clusters in the PM similar to what we prev ...
... mechanism which anchors KAT1 in the PM remains to be determined. KAT1 plays an important role in guard cell functioning. We therefore analysed turgid guard cells transiently expressing KAT1 fused to green fluorescent protein (GFP). KAT1::GFP was organised in clusters in the PM similar to what we prev ...
POP-1 and Anterior–Posterior Fate Decisions in
... influenced directly by division sequence. In the present study, we provide evidence that the pop-1 gene is part of a general system for transducing information about division sequences into changes in the cell nucleus that affect differentiation. The pop-1 gene was identified originally because of i ...
... influenced directly by division sequence. In the present study, we provide evidence that the pop-1 gene is part of a general system for transducing information about division sequences into changes in the cell nucleus that affect differentiation. The pop-1 gene was identified originally because of i ...
Cell shape changes indicate a role for extrinsic tensile forces in
... defined by a central cell surrounded by a corona of neighbouring cells were followed over 2-min windows12. We quantified how fast each of these domains changed dimensions along the AP and the DV axes of the embryo (‘total’ strain rates). Next we quantified the average rates of shape change for cells ...
... defined by a central cell surrounded by a corona of neighbouring cells were followed over 2-min windows12. We quantified how fast each of these domains changed dimensions along the AP and the DV axes of the embryo (‘total’ strain rates). Next we quantified the average rates of shape change for cells ...
Essays in Biochemistry Volume 39 Chapter 1
... Unravelling the apoptotic machinery The morphology of vertebrate and invertebrate cells undergoing apoptosis was similar regardless of the initial apoptotic signal. This suggested that a common apoptotic pathway that is activated in response to many different initial stimuli exists in cells. Previou ...
... Unravelling the apoptotic machinery The morphology of vertebrate and invertebrate cells undergoing apoptosis was similar regardless of the initial apoptotic signal. This suggested that a common apoptotic pathway that is activated in response to many different initial stimuli exists in cells. Previou ...
Life Science Leoce review
... Draw a Punnett Square that shows the cross between a homozygous dominant guinea pig with a heterozygous guinea pig. What percentage of the offspring will be black? What percentage of the offspring will be white? ...
... Draw a Punnett Square that shows the cross between a homozygous dominant guinea pig with a heterozygous guinea pig. What percentage of the offspring will be black? What percentage of the offspring will be white? ...
