active and can bind to the operator. A) B) active and cannot bind to the operator. inactive and cannot bind to the promoter. C) D) inactive and can bind to the operator. inactive and cannot bind to the operator. E) A In the presence of tryptophan, tryptophan binds to the A) operator. B) promoter. C) RNA polymerase. D) trp genes. trp repressor. E) E In the absence of tryptophan, the trp repressor is A) active and can bind to the operator. B) active and cannot bind to the operator. C) inactive and cannot bind to the promoter. D) inactive and can bind to the operator. E) inactive and cannot bind to the operator. E The most efficient control of eukaryotic gene expression is achieved at the level of A) replication. B) transcription initiation. C) post-transcription. D) translation initiation. E) post-translation. B At which of the following level(s) can gene expression be regulated in eukaryotes? A) passage of mRNA through the nuclear membrane B) destruction of the mRNA C) rate of protein synthesis D) A and B E) A, B and C E Some videos and animations I used to collect questions from These are short and effective. Don’t type … in the links, download this file from the website! Do I really need to keep saying this? … Along with the nervous system, the ______ system coordinates the various activities of body parts. A) digestive B) endocrine C) circulatory D) respiratory E) excretory B
A) active and can bind to the operator. B) active and cannot bind to the operator. C) inactive and cannot bind to the promoter. D) inactive and can bind to the operator. E) inactive and cannot bind to the operator. A In the presence of tryptophan, tryptophan binds to the A) operator. B) promoter. C) RNA polymerase. D) trp genes. E) trp repressor. E In the absence of tryptophan, the trp repressor is A) active and can bind to the operator. B) active and cannot bind to the operator. C) inactive and cannot bind to the promoter. D) inactive and can bind to the operator. E) inactive and cannot bind to the operator. E The most efficient control of eukaryotic gene expression is achieved at the level of A) replication. B) transcription initiation. C) post-transcription. D) translation initiation. E) post-translation. B At which of the following level(s) can gene expression be regulated in eukaryotes? A) passage of mRNA through the nuclear membrane B) destruction of the mRNA C) rate of protein synthesis D) A and B E) A, B and C E Some videos and animations I used to collect questions from … These are short and effective. Don’t type in the links, download this file from the website! … Do I really need to keep saying this? Along with the nervous system, the ______ system coordinates the various activities of body parts. A) digestive B) endocrine C) circulatory D) respiratory E) excretory B
ap_bio_practice_final_2_-_key.docx