Find the value of x for which the matrix   is singular. 

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#Question id: 14575

#Section 2: General Biology

Carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur may be considered

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#Question id: 1915

#Section 2: General Biology

Of the following, which is the cadaveric organ with the best survival 5-years post-transplant?

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#Question id: 1918

#Section 2: General Biology

In pancreatic carcinoma the ras gene:

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#Question id: 13066

#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.

Which of the following is a codominant marker?

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#Question id: 14318

#Section 5: Bioprocess Engineering and Process Biotechnology

system for manufacture of single-cell protein is Methylophilus methylotrophus. This organism is produced aerobically from methanol with ammonia as nitrogen source. The molecular formula for the biomass is CH _1.680_0.36N_0.22; these cells contain 6% ash. If the actual yield of biomass from methanol is 42% the thermodynamic maximum, what is the oxygen demand?