The site which RNA polymerase ll binds stops at translation The site and/or sign
ID: 82612 • Letter: T
Question
The site which RNA polymerase ll binds stops at translation The site and/or signal at which transcription and translation stops. Lactose induction represents _____ Model. The phenomenon in which RNA molecules in a cell are destroyed if they have a sequence complementary to an introduced double-stranded RNA is called A) RNA interference. B) RNA obstruction. C) RNA blocking. D) RNA targeting. E) RNA disposal. CDKs form complex or partnership with _____ to control cell cycle. A) Histone acetyl transferase B) Histone methyltransferase C) Cyclins D) Transcription factors RNA polymerase II synthesizes E) tRNA F) mRNA G) rRNA H) cDNA Ethidium bromide causes mutation by: A) inserts between paired bases B) competes with natural bases C) removes ammo groups from bases D) cause strand break E) form thymine dimers Base analog causes mutation by: A) inserts between paired bases B) competes with natural bases C) removes ammo groups from bases D) cause strand breExplanation / Answer
17- Transcription initiation by RNA polymerase II (RNA pol II) requires the TATA sequence is the binding site for the TATA binding protein (TBP).
18- After initiation and elongation of chain until RNA Pol II encounters Stop codons. stop codon (or termination codon) is a nucleotide triplet within messenger RNA that signals a termination of translation into proteins. Proteins are based on polypeptides, which are unique sequences of amino acids. There are three nonsense codons are called amber(UAG) ochre(UAA) and opal (UGA).
19- simplified operon model for the lac system (lac operon model ).
20- A- RNA interference.
21- C- Cyclins. The central components of the cell-cycle control system are cyclin-dependent protein kinases (Cdks), whose activity depends on association with regulatory subunits called cyclins.
22- F- mRNA- (Protein-coding genes are transcribed by RNA polymerase II to yield mRNAs.)
23- A- inserts between paired bases.
24- B- Competes with normal bases.
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