#Question id: 2677
#SCPH05 I Biotechnology
Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?
#Question id: 2677
#SCPH06 I Botany
Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?
#Question id: 2678
#SCPH05 I Biotechnology
Insertional inactivation of the lacZ gene on a plasmid can be used to screen for recombinants on a plate containing:
#Question id: 2678
#SCPH06 I Botany
Insertional inactivation of the lacZ gene on a plasmid can be used to screen for recombinants on a plate containing:
#Question id: 2679
#SCPH05 I Biotechnology
When the same region, or locus, of a chromosome has two (or more) slightly different DNA sequences in different chromosomes or individuals of the same species, these are described as
#Question id: 2679
#SCPH06 I Botany
When the same region, or locus, of a chromosome has two (or more) slightly different DNA sequences in different chromosomes or individuals of the same species, these are described as