Cell cycle and differentiation
... Stomatal development. (a) On the cellular level, a single cell differentiates into a meristemoid mother cell (MMC), the MMC then divides unequally to give rise to a larger cell, which will develop into an epidermal pavement cell, and a smaller meristemoid cell (M). The meristemoid may divide asymmet ...
... Stomatal development. (a) On the cellular level, a single cell differentiates into a meristemoid mother cell (MMC), the MMC then divides unequally to give rise to a larger cell, which will develop into an epidermal pavement cell, and a smaller meristemoid cell (M). The meristemoid may divide asymmet ...
chlamydomonas gymnogama and
... nants. It is possible that partial lysis of cell walls tein similar chemically to that of cell walls reinoccurs before and during the wall-shedding proc- forces the idea that what are at present undetectaess, as partial lysis of cell walls has been observed ble or relatively subtle differences in c ...
... nants. It is possible that partial lysis of cell walls tein similar chemically to that of cell walls reinoccurs before and during the wall-shedding proc- forces the idea that what are at present undetectaess, as partial lysis of cell walls has been observed ble or relatively subtle differences in c ...
Targeted Drug Delivery to the Nucleus and its Potential Role in
... with them. Various means to damage/destroy tumour cells preferentially have been developed, but as yet, none are truly selective. However, by combining numerous tumour-specific/-enhanced targeting signals into a single modular multifaceted approach, it may prove possible sometime in the future to ac ...
... with them. Various means to damage/destroy tumour cells preferentially have been developed, but as yet, none are truly selective. However, by combining numerous tumour-specific/-enhanced targeting signals into a single modular multifaceted approach, it may prove possible sometime in the future to ac ...
Differential roles for the low-affinity phosphate transporters Pho87
... targeting of the Pho90 upon Pi starvation is independent of both Pho4 activity and Spl2. Furthermore, when cells are starved of other essential nutrients or are treated with rapamycin, the vacuolar targeting applies to both low-affinity Pi transporters, and this process is also independent of Pho4 a ...
... targeting of the Pho90 upon Pi starvation is independent of both Pho4 activity and Spl2. Furthermore, when cells are starved of other essential nutrients or are treated with rapamycin, the vacuolar targeting applies to both low-affinity Pi transporters, and this process is also independent of Pho4 a ...
Soft Palate
... erupted by the end of 2 years. The teeth of the lower jaw usually appear before those of the upper jaw. Permanent Teeth There are 32 permanent teeth The Tongue The tongue is a mass of striated muscle covered with mucous membrane . The muscles attach the tongue to the styloid process and the soft pal ...
... erupted by the end of 2 years. The teeth of the lower jaw usually appear before those of the upper jaw. Permanent Teeth There are 32 permanent teeth The Tongue The tongue is a mass of striated muscle covered with mucous membrane . The muscles attach the tongue to the styloid process and the soft pal ...
In plants which portion occurs transpiration?
... Significance of transpiration in plant life Absorption water Upward conduction of water & sap Salt absorption Photosynthesis Regulation of leaf temperature Rainfall Cell division Physical growth Prevent from germ infection Osmosis ...
... Significance of transpiration in plant life Absorption water Upward conduction of water & sap Salt absorption Photosynthesis Regulation of leaf temperature Rainfall Cell division Physical growth Prevent from germ infection Osmosis ...
Redistribution and differential extraction of soluble proteins in
... antibody and the non-specific binding of the fluorescently labeled secondary antibody to cellular components. However, an important, but generally unstated, assumption made in all immunofluorescence studies is that the permeabilization and fixation conditions used to prepare the cells for antibody a ...
... antibody and the non-specific binding of the fluorescently labeled secondary antibody to cellular components. However, an important, but generally unstated, assumption made in all immunofluorescence studies is that the permeabilization and fixation conditions used to prepare the cells for antibody a ...
Proteobacteria as the Origin of Eukaryotes: The Syntrophic Hypothesis
... 1991). Among other mechanistic difficulties, this hypothesis fails to explain the origin of the nuclear membrane. A previous model attempting to overcome this problem had already been proposed by Cavalier-Smith, suggesting that the origin of this structure was the fusion of cytoplasmic cisternae (Ca ...
... 1991). Among other mechanistic difficulties, this hypothesis fails to explain the origin of the nuclear membrane. A previous model attempting to overcome this problem had already been proposed by Cavalier-Smith, suggesting that the origin of this structure was the fusion of cytoplasmic cisternae (Ca ...
1. This cartoon shows Complex I in the ETC, in its two alternative
... b. The two conformations of Complex I depend on whether Q is reduced or oxidized. Indicate which is which, by writing “Reduced” or “Oxidized” next to each Q. 3pts c. Rotenone is a poison that works by blocking electron transfer from proteins with Fe-S centers. These proteins pass electrons from NADH ...
... b. The two conformations of Complex I depend on whether Q is reduced or oxidized. Indicate which is which, by writing “Reduced” or “Oxidized” next to each Q. 3pts c. Rotenone is a poison that works by blocking electron transfer from proteins with Fe-S centers. These proteins pass electrons from NADH ...
Glutamine breakdown in rapidly dividing cells: waste or investment?
... cystine–glutamate exchanger, it has been proposed that the physiological role of this agency is to act as a cystine transporter that uses the transmembrane gradient of glutamate as a driving force.(38) In line with that, extracellular glutamate inhibits cystine uptake while aspartate has little(39) ...
... cystine–glutamate exchanger, it has been proposed that the physiological role of this agency is to act as a cystine transporter that uses the transmembrane gradient of glutamate as a driving force.(38) In line with that, extracellular glutamate inhibits cystine uptake while aspartate has little(39) ...
Structure and mechanism of ATP-dependent phospholipid transporters
... Biological membranes are the basis for highly defined and separated functional units. The cell membrane, or plasma membrane, defines the external boundary of every cell separating the cytoplasm from the surrounding environment. Eukaryotic cells contain in addition numerous subcellular membranes that d ...
... Biological membranes are the basis for highly defined and separated functional units. The cell membrane, or plasma membrane, defines the external boundary of every cell separating the cytoplasm from the surrounding environment. Eukaryotic cells contain in addition numerous subcellular membranes that d ...
Tubular structures involved in movement of cowpea mosaic virus are
... tubular structures appeared to consist of a tubule enclosing virus-like particles, loosely enveloped by plasma membrane (Fig. 6b and c). In many cases the plasma membrane along the tubule was ruptured or even absent. The phenomenon observed in ultrathin sections, whereby two (or even more) tubules w ...
... tubular structures appeared to consist of a tubule enclosing virus-like particles, loosely enveloped by plasma membrane (Fig. 6b and c). In many cases the plasma membrane along the tubule was ruptured or even absent. The phenomenon observed in ultrathin sections, whereby two (or even more) tubules w ...
Redox Homeostasis and Antioxidant Signaling: A
... bond between glutathione and specific Cysteine residues) (Figure 2). This posttranslational modification can modulate enzyme activity by modification of catalytic site Cys residues or affect biological activity by competing with other thiol modifications. Increased GSSG may be sufficient to trigger ...
... bond between glutathione and specific Cysteine residues) (Figure 2). This posttranslational modification can modulate enzyme activity by modification of catalytic site Cys residues or affect biological activity by competing with other thiol modifications. Increased GSSG may be sufficient to trigger ...
Boronophenyl analogs of phospholyrosines
... acid residues (Sadowsld et al. (1986) Mol. Cell. Biol. 6:4396-4408). The subsequent discovery that SH2 domains bind to speci?c phosphorylated tyrosine residues has pro vided a link between tyrosine ltinases and proteins that respond to tyrosine phosphorylation (for reviews see Koch ...
... acid residues (Sadowsld et al. (1986) Mol. Cell. Biol. 6:4396-4408). The subsequent discovery that SH2 domains bind to speci?c phosphorylated tyrosine residues has pro vided a link between tyrosine ltinases and proteins that respond to tyrosine phosphorylation (for reviews see Koch ...
Divergent Roles for Maize PAN1 and PAN2 Receptor
... (Figure 1, arrowhead 1 in A and arrowhead in B), becoming more enriched at the cell plate later in areas where the phragmoplast has already disassembled and as the cell plate is attaching to the mother cell wall (Fig. 1A, arrowheads 2 and 3). Shortly after completion of the new subsidiary cell wall, ...
... (Figure 1, arrowhead 1 in A and arrowhead in B), becoming more enriched at the cell plate later in areas where the phragmoplast has already disassembled and as the cell plate is attaching to the mother cell wall (Fig. 1A, arrowheads 2 and 3). Shortly after completion of the new subsidiary cell wall, ...
The DNA Damage Response Signaling Cascade
... predominance of the haploid or diploid phase varies between species. In fungal cells, mating, the process equivalent to fertilization, brings together two haploid nuclei in the same cytoplasm. In some species of fungi, this process is followed by nuclear fusion, resulting in a diploid nucleus that e ...
... predominance of the haploid or diploid phase varies between species. In fungal cells, mating, the process equivalent to fertilization, brings together two haploid nuclei in the same cytoplasm. In some species of fungi, this process is followed by nuclear fusion, resulting in a diploid nucleus that e ...
Full Text - Plant and Cell Physiology
... is triggered by the Cdk1–Polo kinase1 pathway (Zhou et al. 2014); further, the Aurora B phosphorylation feedback loop amplifies the signal (Wang et al. 2011, Qian et al. 2013). The kinetochore kinase Bub1 pathway provides the positional anchor that leads to accumulation of H3T3ph on centromeres by p ...
... is triggered by the Cdk1–Polo kinase1 pathway (Zhou et al. 2014); further, the Aurora B phosphorylation feedback loop amplifies the signal (Wang et al. 2011, Qian et al. 2013). The kinetochore kinase Bub1 pathway provides the positional anchor that leads to accumulation of H3T3ph on centromeres by p ...
Tea4p Links Microtubule Plus Ends with the Formin For3p in the
... cell division, the daughter cells initially grow in a mono*Correspondence: [email protected] ...
... cell division, the daughter cells initially grow in a mono*Correspondence: [email protected] ...
Muscle Contraction and Rigor Mortis KEY
... are hard to move, but have you figured out what causes this change? The answer, of course, lies in the science. This stiffening is directly related to the chemical state of your muscles upon death. ATP is required for successful muscle contraction. You will zoom in on the sarcomere, the smallest uni ...
... are hard to move, but have you figured out what causes this change? The answer, of course, lies in the science. This stiffening is directly related to the chemical state of your muscles upon death. ATP is required for successful muscle contraction. You will zoom in on the sarcomere, the smallest uni ...
Role of Silicon in Diatom Metabolism. Messenger
... polypeptides were observed in both synchronies. In particular, silicon starvation caused both increases and decreases, some apparent after 6 h; after 24 h the pattern differed considerably from that seen during the lightdark synchrony. The appearance of some polypeptides (e.g. a group at approximate ...
... polypeptides were observed in both synchronies. In particular, silicon starvation caused both increases and decreases, some apparent after 6 h; after 24 h the pattern differed considerably from that seen during the lightdark synchrony. The appearance of some polypeptides (e.g. a group at approximate ...
implementation of medicinal leech preparation to investigate the
... There are forty registered organophosphates in the United States and they range from pesticides and insecticides to nerve agents or neurotoxins such as sarin. Organophosphates (OP’s) have been used in chemical warfare for years and tend to lead to death due to an attack on the nervous system. Chemic ...
... There are forty registered organophosphates in the United States and they range from pesticides and insecticides to nerve agents or neurotoxins such as sarin. Organophosphates (OP’s) have been used in chemical warfare for years and tend to lead to death due to an attack on the nervous system. Chemic ...