I believe that the right answer is Heat energy
"Using the same restriction enzyme for cutting the desired gene and the vector and using ligase for pasting the gene into the vector" is the way this is carried out. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has helped you.
I'm not sure if i fully understood your question but i'll go ahead and answer it .. The DNA molecule has the promotor region which is detected by the transcription factors that are responsible to start transcription ( and hence , unzipping the dna strands )
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i would say the planets revolve around the sun
Different cultural groups can have the same name for multiple species, or a different name than what other groups have given it.