Explanation:
You can do two controls:
1) Check if the cells are viable by plating the transformed E.coli on LB medium with no antibiotics. If the cells are alive, a lawn will be seen, as there is no selection pressure. If the cells are dead, no colonies will be seen.
2) Check if the cells are competent by transforming them with a control plasmid. This is another plasmid, either commercial or already used in the lab, that contains the gene for resistance to kanamycin, and is known to work. If this positive control is used to transform the cells and still no growth is seen in the LB plates, then the E.coli are probably not competent.
Answer:
Explanation:
Control Unit retrieves data and instruction in the same manner from one memory. Design and development of the Control Unit is simplified, cheaper and faster. Data from input / output devices and from memory are retrieved in the same manner.
<span> The human practice can cause flooding E) dredging water beds. The main cause of flooding the industrialization and dredging waters beds is one of the major part of agricultural operations. These activities can reduce the amount of nutrients and lead to a weakening of the plant life, which, in its turn, can be no longer able to protect nature against floods. All this can be caused by human progress in urban development.</span>