During anaphase, sister chromatids are pulled to opposite poles by the spindle fibers in preparation for cleavage.
Ti plasmid encoded octopine and nopaline catabolism in Agrobac terium Ti plasmid-encoded genes required by the micro organism for opine catabolism.
The occ and noc areas in octopine and nopaline Ti plasmids, respectively, are accountable for the catabolism of octopine and nopaline in Agrobacterium. The functions are activated within the presence of the opines with the aid of OccR and NocR, related regulatory proteins, and the promoters incorporate commonplace collection motifs.
we have investigated Ti plasmid in heterologous interactions among the regulators and the promoters. previous experiments the usage of all possible heterologous combos of opines, regulators, and promoters in vivo had demonstrated that handiest the aggregate of nopalme, NocR, and the occ promoter led to restricted promoter activation. We now display that OccR and NocR bind to the heterologous promoters in vitro and in vivo.
The weak or non-existent promoter activation truly located can be explained by the idea that OccR and NocR use distinct activation mechanisms; we investigated protein-brought about DNA bending due to reports that the two regulators vary in this respect.
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Explanation:
REFRACTION is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows
REFLECTION is when light bounces off an object. ... For a smooth surface, reflected light rays travel in the same direction. This is called specular reflection. For a rough surface, reflected light rays scatter in all directions. This is called diffuse reflection
Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. This process is known as cellular respiration. It is for this reason that mitochondria are often referred to as the powerhouses of the cell.
