In which of the following conditions is alveolar Po2 increased and alveolar Pco2 decreased?

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#Question id: 15650

#SCPH05 I Biotechnology

For scaling up of a bioreactor, the following parameter is assumed to be constant

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#Question id: 3879

#SCPH01 Biochemistry

Which of the following is not usually essential for the catalytic activity of ribozymes?

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#Question id: 4330

#SCPH06 I Botany

Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?

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#Question id: 13056

#SCPH01 Biochemistry

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 true for traditional and real time PCR?

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#Question id: 1613

#SCPH01 Biochemistry

Complement component C3 is cleaved by: