Can T-Script® enzyme of the QuantiTect Whole Transcriptome Kit be substituted by Quantiscript Reverse Transcriptase?

No, the T-Script® enzyme of the QuantiTect Whole Transcriptome Kit is an optimized blend for whole transcriptome amplification and cannot be substituted by Quantiscript Reverse Transcriptase of the QuantiTect Reverse Transcription Kit, or any other reverse-transcription enzyme.