which type of amino acid in polypeptide position 9 is favoured interaction which MHC class 1?

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#Question id: 15212

#SCPH06 I Botany

Sieving effect that contributes to the separation of proteins according to their size, in techniques such as SDS–gel electrophoresis, the concentration of gel used

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#Question id: 24448

#SCPH06 I Botany

A gamma rhythm (30–80 Hz)

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#Question id: 20105

#SCPH05 I Biotechnology

Identify the correct statement regarding a spontaneous process :

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#Question id: 13054

#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.

What would the expected effect be on a PCR reaction if the primers used were slightly shorter and more variable than the intended oligonucleotide sequences?

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#Question id: 5756

#SCPH06 I Botany

Type of mutation caused by an addition or deletion of a base in a polypeptide-encoding part of a gene