The single best unique description of the interaction of the αβ T-cell receptor with peptide-MHC is that it:

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#Question id: 18641

#I Life Science/ Life Sciences Group – I-V

Which one of the following is NOT an algorithm for building phylogenetic trees? 

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#Question id: 18641

#SCPH05 I Biotechnology

Which one of the following is NOT an algorithm for building phylogenetic trees? 

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#Question id: 18644

#SCPH01 Biochemistry

A laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge.

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#Question id: 18644

#SCPH06 I Botany

A laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge.

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#Question id: 18645

#SCPH01 Biochemistry

SDS PAGE separate molecules by size because the presence of SDS (sodium dodecyl sulphate) denatures the protein removing 2˚, 3˚ and 4˚ structures (they assume a linear chain) and the SDS coats the molecules giving them a uniform charge/mass ratio. In an experiment (SDS-PAGE) with a discontinuous buffer system following band pattern is obtained 

   

Choose the correct statement regarding this band pattern

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#Question id: 18645

#SCPH06 I Botany

SDS PAGE separate molecules by size because the presence of SDS (sodium dodecyl sulphate) denatures the protein removing 2˚, 3˚ and 4˚ structures (they assume a linear chain) and the SDS coats the molecules giving them a uniform charge/mass ratio. In an experiment (SDS-PAGE) with a discontinuous buffer system following band pattern is obtained 

   

Choose the correct statement regarding this band pattern