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#Question id: 330
#SCPH05 I Biotechnology
Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become
TLS Online TPP Program
#Question id: 10551
#I Life Science/ Life Sciences Group – I-V
plants possess a second type of immunity mediated by a set of highly specific intracellular receptors known as nucleotide binding site–leucine rich repeat (NBS–LRR) receptors. How NBS–LRRs become activated,
TLS Online TPP Program
#Question id: 13060
#SCPH05 I Biotechnology
Precision will be reduced, but yield will be increased
Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.
In blue white screening insertional activation of Beta-D-galactosidase will give rise to
TLS Online TPP Program
#Question id: 15226
#SCPH05 I Biotechnology
DNA from Salmonella species, when digested with the restriction enzyme Xba I, gives around 15 fragments ranging from 25 kb to 680 kb This pattern of fragments, or ‘fingerprint’, is unique to that strain. If the same fingerprint is found from bacteria from other infected people, then it can be assumed that they were all infected from a common source. Thus, by comparing their eating habits, food sources, etc. the source of the infection can be traced to a restaurant, food item. The fingerprints are created and analysed by
TLS Online TPP Program
#Question id: 27710
#Research Methodology
Social Science Research ……………. Problems