A frameshift mutation occurs in the sigma subunit gene transcribed as part of SPOl early genes. What will be the immediate result? The bacterial host will lyse immediately Early genes will not be translated Infection will proceed as usual Middle genes will not be transcribed TRUE ANSWER : ? YOUR ANSWER : ?
Tubulin is regulated by binding of tubulin to DNA splicing of the tubulin transcript binding of tubulin to tubulin mRNA binding of tubulin to the tubulin translational product TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not part of the lac operon? P I none of these O TRUE ANSWER : ? YOUR ANSWER : ?
Sex determination in Drosophila involves methylation alternate splicing none of these gene amplification TRUE ANSWER : ? YOUR ANSWER : ?
Catabolite activating protein exerts __________ control on transcription of the lac operon genes. none of these may be positive or negative negative positive TRUE ANSWER : ? YOUR ANSWER : ?
What are genes? All of these The functional unit of inheritance A fragment of DNA A portion of a chromosome TRUE ANSWER : ? YOUR ANSWER : ?
Enhancers differ from promoters in that they initiate transcription they are adjacent to the start codon their orientation can be inverted without effect they are restricted to a specific gene TRUE ANSWER : ? YOUR ANSWER : ?
DNA is methylated at AC sequences CAAT sequences TATA sequences CG sequences TRUE ANSWER : ? YOUR ANSWER : ?