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TLS Online TPP Program
#Question id: 14116
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
Which of the following statements are CORRECT when a protein sequence database is searched using the BLAST algorithm?
P. A larger E-value indicates higher sequence similarity
Q. E-value < 10^-10 indicates sequence homology
R. A higher BLAST score indicates higher sequence similarity
S. E-value > 10^10 indicates sequence homology
TLS Online TPP Program
#Question id: 13062
#Section 7: Recombinant DNA technology and Other Tools in 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.
A restriction enzyme cleaves a circular plasmid vector to produce fragments : 1kb, 0.3kb, 2kb, 1kb and 0.3kb. How many bands will be visible on agarose gel?
TLS Online TPP Program
#Question id: 4914
#Section 3: Genetics, Cellular and Molecular Biology
German scientist Carl Correns found that the inheritance of variegated color on the leaves of certain plants was determined only by the maternal parent. What phenomenon explains this pattern of inheritance?
TLS Online TPP Program
#Question id: 2940
#Section 3: Genetics, Cellular and Molecular Biology
Chk1is activated by:
TLS Online TPP Program
#Question id: 350
#Section 4: Fundamentals of Biological Engineering
Cohesion, surface tension, and adhesion are the properties of water molecules that ________.