The lac-operon is actually a series of adjacent genes and regulatory elements in one small part of the E. coli circular chromosome. Lac-Operon components Definitions: P strands for promoter; it is the site where RNA polymerase attaches in order to transcribe mRNA.
The Surface Plasmon Resonance (SPR) technique is utilized to assess, in real-time, interactions between biomolecules, and in niche surface science applications.hotons are âabsorbedâ and converted to surface plasmons. Since the photons are not reflected, a âshadowâ occurs in the reflected light. Reichert Inc.âs Surface Plasmon Resonance instruments are optically configured to illuminate a spot on the gold surface over a range of angles from 58 to 85 degrees.
detection and measurement of the resonant spectra of molecular species in a tissue or sample. A magnetic resonance technique in which a sample is placed in a strong homogeneous magnetic field and stimulated with radio frequency electromagnetic energy.etection and measurement of the resonant spectra of molecular species in a tissue or sample. A magnetic resonance technique in which a sample is placed in a strong homogeneous magnetic field and stimulated with radio frequency electromagnetic energy.