Why are several structural genes regulated as a unit in bacteria? None of these It allows coordinating regulation of genes with a common function The bacteria chromosome is so small; many different genes must be controlled by the same promoter An accident of evolution TRUE ANSWER : ? YOUR ANSWER : ?
DNA is methylated at CAAT sequences CG sequences AC sequences TATA sequences TRUE ANSWER : ? YOUR ANSWER : ?
Catabolite activating protein exerts __________ control on transcription of the lac operon genes. negative positive none of these may be positive or negative TRUE ANSWER : ? YOUR ANSWER : ?
Alternate splicing of RNA transcripts is a mechanism to regulate leucine zippers tachykinins tubulin DNA methylation TRUE ANSWER : ? YOUR ANSWER : ?
Sex lethal (sxl) in Drosophila is transcribed when the X autosome balance is 1 or greater the X autosome balance is less than 0.5 None of these the X autosome balance equals 0.5 TRUE ANSWER : ? YOUR ANSWER : ?
The first protein complex to bind to the TATA box is transcription factor IIA transcription factor IID transcription factor IIB all of these TRUE ANSWER : ? YOUR ANSWER : ?
Tubulin is regulated by binding of tubulin to tubulin mRNA splicing of the tubulin transcript binding of tubulin to DNA binding of tubulin to the tubulin translational product TRUE ANSWER : ? YOUR ANSWER : ?
Genes which need to be coordinately regulated but are not in operons may be regulated by common transcription factor binding domains GC regions CAAT regions TATA boxes TRUE ANSWER : ? YOUR ANSWER : ?
Sex determination in Drosophila involves methylation alternate splicing none of these gene amplification TRUE ANSWER : ? YOUR ANSWER : ?