BCH 461 Final Exam | 75 Questions with 100% Correct Answers | Updated & Verified
Most transcription factors that bind to DNA are dimers (T/F) - True The lucine zipper is an Example of a DNA binding Motif in the minor Grove (T/F) - False (major groove) DNA Almost always binds in the major groove (T/F) - True In bacteria, a sequence at the N-terminus is recognized by a secreatin system resulting in translocation of protein out of cytosol (T/F) - True Silencing mRNA requires production of double stranded RNA (T/F) - True (intermediate) Steroid hormone receptors repress transcription genes when bound to their steroid hormone (T/F) - False (Activate) Regulation of expression by low iron involves 3 things - 1. IRP1 loses Iron sulfer cluster 2. IRP1 binds to IRE 3. The binding occurs in the 3' untranslated version of mRNA
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