Glucose is the preferable source of energy for E. coli cells. By adding small amounts of glucose, 0.05% in this case, it would enable cell growth to proceed as usual until it has reached mid log growth phase. At this point, the small amount of glucose added should have been depleted and the E.coli cell will now be dependent on lactose present as its source of nutrients. Lactose will also inactivate lac repressors and given the lack of glucose, CAP binding to high amounts of cAMP will be activated and increase expression of lac operon genes.
It should be noted that this system of expression may not tightly regulate the expression of lac operon before the E.Coli reaches exponential phase. As lactose is still present, lac repressors will be inactivated throughout the entire experiment and hence small amounts of proteins might be produced even when not auto-induced. After auto-induction, CAP-cAMP protein complex will simply upregulate expression of lac operon genes.
The answer is <span>B.) Both flies belong to the same genus but different species.
Species is a group of similar organisms able to reproduce (to exchange genes and interbreed) only within the group. That means that organisms from different species could not exchange genes. So, if two similar flies are no able to mate, it can be concluded that they are not the same species. Still, they are similar enough to belong to the same genus, but different species.</span>
Answer:
Galileo Galilei discovered io on January 8th, 1610 and the discovery, along with the three other Jovian moons Europa, Ganymede and Callisto, were the first moons discovered that were orbiting a planet other than Earth
The main zone for these phenomena in at least the western world is the Circum-Pacific Ring of Fire Belt. This is exemplified by the Western Cordillera in BC (Rockies and Coast Mts) in BC with a few inactive volcanoes, the volcanoes on the western margin of the US such as in Northern Californa and the Sierra Nevada, and the volcanoes in western and central Mexico and then the Andes with its' frequent western volcanoes and then in Japan and Indonesia with their volcanoes as well. Earthquakes are common in this Belt and occur due to plate movements including subduction below the BC coast and under the Andes.
