The first immunoassay formats described were methods based on the ____ reaction, which is characterised either by gel formation in a liquid phase or as an opaque band in an agar plate assay.

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#Question id: 19607

#SCPH05 I Biotechnology

Which of the following substances has a dipole moment more than zero?

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#Question id: 10793

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

Hydroxyl groups (−OH),  and methoxy groups(−OCH3) modification provides colour variations in case of

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#Question id: 10983

#SCPH06 I Botany

If the S-A node discharges at 0.00 seconds, when will the action potential normally arrive at the AV bundle (bundle of His)?

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#Question id: 11540

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

A cell with membrane-bound proteins that selectively bind a specific hormone is called that hormone's ________.

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#Question id: 636

#SCPH05 I Biotechnology

DNA polymerase contains a lysine residue that is important for binding to DNA. Mutations were found that converted this lysine to either glutamate, glycine, valine, or arginine. Which mutations would be predicted to be the most and least harmful to the ability of the enzyme to bind DNA?

	Most	Least
(A)	Valine	Aspartate
(B)	Glycine	Arginine
(C)	Arginine	Glycine
(D)	Glutamate	Arginine