lac operator is made up of

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#Question id: 444

#SCPH05 I Biotechnology

Which of the following is not a factor contributing to the large free energy of hydrolysis of ATP?

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#Question id: 9153

#SCPH06 I Botany

Imagine some cosmic catastrophe jolts Earth so that its axis is perpendicular to the orbital plane between Earth and the sun. The most obvious effect of this change would be ________.

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#Question id: 13058

#SCPH28 | Zoology

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 true about real time PCR?

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#Question id: 1694

#SCPH01 Biochemistry

Antigen processing for presentation by MHC class II molecules involves:

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#Question id: 5346

#SCPH28 | Zoology

The following typical pedigree illustrates the key point that affected children are born to unaffected parents: Which of the following is correct statement?