Prentice hall Biology Worksheets
... by overriding themes, or “big ideas.” You will see that these big ideas overlap and connect with one another. The 10 big ideas in biology are as follows: ...
... by overriding themes, or “big ideas.” You will see that these big ideas overlap and connect with one another. The 10 big ideas in biology are as follows: ...
Workbook biology dragonfly text
... by overriding themes, or “big ideas.” You will see that these big ideas overlap and connect with one another. The 10 big ideas in biology are as follows: ...
... by overriding themes, or “big ideas.” You will see that these big ideas overlap and connect with one another. The 10 big ideas in biology are as follows: ...
Surgical Anatomy and Embryology of the Frontal Sinus
... form process. During the 13th week of development the infundibulum continues expanding superiorly, giving rise to the frontonasal recess. It has been proposed that the frontal sinus might develop during the 16th week simply as a direct elongation of the infundibulum and frontonasal recess, or as an ...
... form process. During the 13th week of development the infundibulum continues expanding superiorly, giving rise to the frontonasal recess. It has been proposed that the frontal sinus might develop during the 16th week simply as a direct elongation of the infundibulum and frontonasal recess, or as an ...
Deep Insight Section Mechanisms and regulation of autophagy in mammalian cells
... the autophagosome membrane after closure, with the exception of a fraction of LC3-II, which is transported into the lysosomal compartment (Yang and Klionsky, 2010). Following on from this discovery, several methods based on the analysis of the LC3 protein have been developed to monitor autophagy (Mi ...
... the autophagosome membrane after closure, with the exception of a fraction of LC3-II, which is transported into the lysosomal compartment (Yang and Klionsky, 2010). Following on from this discovery, several methods based on the analysis of the LC3 protein have been developed to monitor autophagy (Mi ...
Patterson - Iowa State University
... at position three in which sepals, petals, and filaments are preparing for abscission. Right, Longitudinal section of wild-type inflorescence at position seven showing the elongated cells of the remaining abscission layer proximal to the main body of the plant. B, Longitudinal section showing chitin ...
... at position three in which sepals, petals, and filaments are preparing for abscission. Right, Longitudinal section of wild-type inflorescence at position seven showing the elongated cells of the remaining abscission layer proximal to the main body of the plant. B, Longitudinal section showing chitin ...
Structural and Functional Vein Maturation in Developing Tobacco
... Figure 3. The sink-source transition in AtSUC2-GFP and AtSUC2-GFP-ER plants. In a confocal laser scanning microscopy (CLSM) image of a leaf from an AtSUC2-GFP plant (A), the unloading of GFP from the major veins has ceased in the region to the right of the arrow. The box marks the area illustrated i ...
... Figure 3. The sink-source transition in AtSUC2-GFP and AtSUC2-GFP-ER plants. In a confocal laser scanning microscopy (CLSM) image of a leaf from an AtSUC2-GFP plant (A), the unloading of GFP from the major veins has ceased in the region to the right of the arrow. The box marks the area illustrated i ...
Burggren et al. Vert CV Systems Handbook - 1997
... generally (511), a tradition we will continue, additional work on the Thaliacea and Larvacea is clearly warranted. Urochordates have a single heart that propels blood through a complex system of vessels, which has been variously classified as open (34, 656) or closed (511). All of the circulatory pa ...
... generally (511), a tradition we will continue, additional work on the Thaliacea and Larvacea is clearly warranted. Urochordates have a single heart that propels blood through a complex system of vessels, which has been variously classified as open (34, 656) or closed (511). All of the circulatory pa ...
Determinants of Action Potential Propagation in Cerebellar Purkinje
... Copyright © 2005 Society for Neuroscience 0270-6474/05/250464-09$15.00/0 ...
... Copyright © 2005 Society for Neuroscience 0270-6474/05/250464-09$15.00/0 ...
Report Argonaute Loading Improves the 5
... MicroRNAs (miRNAs) are short regulatory RNAs that direct repression of their mRNA targets. The miRNA ‘‘seed’’— nucleotides 2–7—establishes target specificity by mediating target binding [1–5]. Accurate processing of the miRNA 50 end is thought to be under strong selective pressure [6, 7] because a s ...
... MicroRNAs (miRNAs) are short regulatory RNAs that direct repression of their mRNA targets. The miRNA ‘‘seed’’— nucleotides 2–7—establishes target specificity by mediating target binding [1–5]. Accurate processing of the miRNA 50 end is thought to be under strong selective pressure [6, 7] because a s ...
Activin-mediated mesoderm induction requires FGF
... 1993). Similarly, FGF can activate MAP kinase, a key regulator in the intracellular signal transduction process, whereas activin cannot (Graves, 1994; LaBonne and Whitman, 1994). While these studies suggest that FGF and activin operate through different intracellular pathways, it has been shown that ...
... 1993). Similarly, FGF can activate MAP kinase, a key regulator in the intracellular signal transduction process, whereas activin cannot (Graves, 1994; LaBonne and Whitman, 1994). While these studies suggest that FGF and activin operate through different intracellular pathways, it has been shown that ...
Increased Levels of LPS-Binding Protein in Bovine - PubAg
... is mediated by LPS interaction with the accessory proteins, LPS-binding protein (LBP) and CD14 (Sweet and Hume, 1996; Guha and Mackman, 2001). It has been known for some time that circulating LPS binds to LBP, an acute-phase protein that facilitates the transfer of LPS to membrane-associated CD14 (m ...
... is mediated by LPS interaction with the accessory proteins, LPS-binding protein (LBP) and CD14 (Sweet and Hume, 1996; Guha and Mackman, 2001). It has been known for some time that circulating LPS binds to LBP, an acute-phase protein that facilitates the transfer of LPS to membrane-associated CD14 (m ...
Review The cellular functions of clathrin
... Second, X-ray analysis of crystals of part of the proximal leg (residues 1210–1516) revealed a right-handed superhelix of short α-helical zigzags [28]. By alignment, a motif termed the clathrin heavy chain repeat (CHCR) was identified consisting of five α-helix zigzags. As the linker in the distal l ...
... Second, X-ray analysis of crystals of part of the proximal leg (residues 1210–1516) revealed a right-handed superhelix of short α-helical zigzags [28]. By alignment, a motif termed the clathrin heavy chain repeat (CHCR) was identified consisting of five α-helix zigzags. As the linker in the distal l ...
Mitochondrial pleomorphy in plant cells is driven
... 2010). Our present mechanistic understanding of mitochondria dynamics relies heavily on the relative frequency with which mitochondrial fission vs. fusion takes place in a cell. Frequent fission results in small mitochondria whereas a reduced fission frequency or an increased tendency to fuse leads ...
... 2010). Our present mechanistic understanding of mitochondria dynamics relies heavily on the relative frequency with which mitochondrial fission vs. fusion takes place in a cell. Frequent fission results in small mitochondria whereas a reduced fission frequency or an increased tendency to fuse leads ...
Journal of Bacteriology
... inhibits generation of the proton motive force, appeared to be a very potent inhibitor of Fe3+ uptake. The uncouplers CCCP and DNP also markedly reduced Fe3+ uptake (Table 1). These results indicate that the proton motive force drives the uptake process. To establish which component of the proton mo ...
... inhibits generation of the proton motive force, appeared to be a very potent inhibitor of Fe3+ uptake. The uncouplers CCCP and DNP also markedly reduced Fe3+ uptake (Table 1). These results indicate that the proton motive force drives the uptake process. To establish which component of the proton mo ...
Auxin Transport Promotes Arabidopsis Lateral Root Initiation
... within adjacent files also contribute to the formation of the lateral root primordium (Figure 1B). The first detectable division to occur within a single file of xylem pole pericycle cells was transverse and asymmetric. Almost simultaneously, another asymmetric transverse division occurred in an adj ...
... within adjacent files also contribute to the formation of the lateral root primordium (Figure 1B). The first detectable division to occur within a single file of xylem pole pericycle cells was transverse and asymmetric. Almost simultaneously, another asymmetric transverse division occurred in an adj ...
PDF
... ameloblasts and odontoblasts start to differentiate. All these developmental processes are under elaborate control of multiple families of signaling molecules, including bone morphogenetic proteins (BMPs), fibroblast growth factors (FGFs), Shh and Wnt proteins (Tummers and Thesleff, 2009). The impor ...
... ameloblasts and odontoblasts start to differentiate. All these developmental processes are under elaborate control of multiple families of signaling molecules, including bone morphogenetic proteins (BMPs), fibroblast growth factors (FGFs), Shh and Wnt proteins (Tummers and Thesleff, 2009). The impor ...
Profilin association with monomeric actin in
... labeled profilin-I or profilin-II in syringe-loading buffer, which mimics intracellular conditions (Sinard and Pollard, 1989). This suspension was forced through a 30 gauge needle by hand pressure in a 1 ml tuberculin syringe and collected in a plastic microfuge tube. The cells were redrawn through ...
... labeled profilin-I or profilin-II in syringe-loading buffer, which mimics intracellular conditions (Sinard and Pollard, 1989). This suspension was forced through a 30 gauge needle by hand pressure in a 1 ml tuberculin syringe and collected in a plastic microfuge tube. The cells were redrawn through ...
Early developmental specification of the thyroid gland depends on
... adjacent to tyrosine-hydroxylase-positive cells called archassociated neurons (AANs; Fig. 2A-D), which are presumably the precursor cells of the carotid bodies (Holzschuh et al., 2001). It is likely that these two bilateral and distinct groups of han-expressing cells form part of the carotid bodies. ...
... adjacent to tyrosine-hydroxylase-positive cells called archassociated neurons (AANs; Fig. 2A-D), which are presumably the precursor cells of the carotid bodies (Holzschuh et al., 2001). It is likely that these two bilateral and distinct groups of han-expressing cells form part of the carotid bodies. ...
Organization of cardiac chamber progenitors in the zebrafish blastula
... cells are determined by morphology and location, either in whole mount (E,G,I-L) or in longitudinal sections (F,H). We show a series of typical results. (E) After labeling three blastomeres in tier 1, 105-115° from dorsal, we found six labeled cells in the ventricular myocardium (arrowhead). (F) Sec ...
... cells are determined by morphology and location, either in whole mount (E,G,I-L) or in longitudinal sections (F,H). We show a series of typical results. (E) After labeling three blastomeres in tier 1, 105-115° from dorsal, we found six labeled cells in the ventricular myocardium (arrowhead). (F) Sec ...
`Sarcomeres` of smooth muscle - Journal of Cell Science
... that thin filaments emanating from the relevant dense bodies interact with the thick filaments bracketed by the dense bodies. The proposed model predicts that if a quick stretch is applied to the muscle just before it shortens, it will cause sliding of the thin and thick filaments relative to each o ...
... that thin filaments emanating from the relevant dense bodies interact with the thick filaments bracketed by the dense bodies. The proposed model predicts that if a quick stretch is applied to the muscle just before it shortens, it will cause sliding of the thin and thick filaments relative to each o ...
Guide Urine Therapy
... work during the fast. Although some exertion is possible, rest and relaxation are important in order for the purifying process to take place undisturbed. In the beginning, stay with drinking the middle stream. Alternated with urine, pure, clean water can be drunk. Once the fast has been in progress ...
... work during the fast. Although some exertion is possible, rest and relaxation are important in order for the purifying process to take place undisturbed. In the beginning, stay with drinking the middle stream. Alternated with urine, pure, clean water can be drunk. Once the fast has been in progress ...
Exceptional preservation of Miocene pollen: plasmolysis captured in
... 1981; Garlicki et al., 1991). Halite crystallization occurs when brine concentration is ten to eleven times higher than in seawater (Warren, 2006). In this context a low brine concentration should be understood as reaching at least 35%. This is comparable with values reached in the Dead Sea. The ter ...
... 1981; Garlicki et al., 1991). Halite crystallization occurs when brine concentration is ten to eleven times higher than in seawater (Warren, 2006). In this context a low brine concentration should be understood as reaching at least 35%. This is comparable with values reached in the Dead Sea. The ter ...
Effect of ciliary neurotrophic factor (CNTF) on motoneuron survival
... purified from late embryonic chick eye tissue (Barbin et al. 1984). The adult rat sciatic nerve was subsequently identified as the most abundant source of CNTF (Manthorpe et al. 1986) wherefrom it was purified to homogeneity as a basis for microsequencing and finally molecular cloning (Stöckli et al ...
... purified from late embryonic chick eye tissue (Barbin et al. 1984). The adult rat sciatic nerve was subsequently identified as the most abundant source of CNTF (Manthorpe et al. 1986) wherefrom it was purified to homogeneity as a basis for microsequencing and finally molecular cloning (Stöckli et al ...