Match the following:
List-1: List-2:
A Physical barrier I LysozymeB Physiological barriers II InterferonsC Cellular barriers III MonocytesD Cytokine barriers IV Colostrum V Mucus membrane
List-1: List-2:A Nitrogen oxides I Oxygen transportB Carbon monoxide II BiomagnificationC Carbon dioxide III Photochemical smogD Industrial effluents IV Global warming V Increase of BOD
Given is the schematic structure of the transcription unit. Select the correct answer regarding A, B, C, and D: