MMSC 490 practice quiz 7 chapter 8 (with error-free answers)
The pioneering studies of gene regulation in E. coli were conducted in the 1950s by... correct answers Jacob and Monod E. Coli preferentially utilizes glucose for energy. However, in the absence of glucose, genes that can metabolize alternative sugars are activated. Low glucose... correct answers elevates cAMP through adenylyl cyclase that binds to and activates CAP to effectively increase transcription rates of genes that metabolize alternative sugars Which of the following statements about transcription of ribosomal RNA is false? correct answers TBP binds the TATA sequences in the promoter of the ribosomal gene. In prokaryotes sigma factors are necessary for... correct answers specific binding to certain promoters Which of the following is not involved in the tissue specific expression of immunoglobin (lg) heavy-chain gene?* correct answers RNA polymerase II Processing of RNA transcripts occurs... correct answers with tRNA, rRNA, and mRNA transcripts Transcription is ______ dependent _______ synthesis. correct answers DNA;RNA Termination of transcription in E. coli is signaled by... correct answers an inverted GC-rich sequence followed by seven A residues Fertilization stimulates... correct answers the lengthening of poly -A sequences to stored mRNAs in eggs
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