Which of the following is necessary for transcription to occur? Both DNA & RNA polymerase RNA polymerase DNA molecule DNA polymerase TRUE ANSWER : ? YOUR ANSWER : ?
RNA is synthesized on a DNA template in a process called __________ , which utilizes the enzyme __________ replication, DNA polymerase translation, RNA polymerase transcription, RNA polymerase transcription, DNA polymerase TRUE ANSWER : ? YOUR ANSWER : ?
Transcription results in messenger RNA Okazaki fragments complementary DNA an amino acid chain TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following conditions would cause the release of the lac repressor protein from the lac operator site on DNA? Both (b) and (c) Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of glucose in the growth media Presence of lactose in the growth media TRUE ANSWER : ? YOUR ANSWER : ?
The RNA polymerases that transcribe bacterial DNA are only active inside the cell interchangable with DNA polymerases multisubunit enzymes highly glycosylated in their active forms TRUE ANSWER : ? YOUR ANSWER : ?
RNA polymerase in prokaryotes has a removable beta subunit alpha subunit sigma subunit both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
The closed complex at bacterial promoters is not affected by promoter mutations bound more tightly when repressors are present not affected by activator proteins in equilibrium with free RNA polymerase and the promoter TRUE ANSWER : ? YOUR ANSWER : ?
Transcription by E. coli polymerase occurs in two phases known as initiation and termination None of these three phases known as initiation, elongation and termination four phases known as initiation, propagation, elongation and termination TRUE ANSWER : ? YOUR ANSWER : ?
The function of the sigma factor of RNA polymerase is to assure that translation ends at the proper point assure that transcription begins at the proper point assure that transcription ends at the proper point assure that translation begins at the proper point TRUE ANSWER : ? YOUR ANSWER : ?
RNA polymerase holoenzyme initiates transcription which involves recognition of the -35 sequence only recognition of the -10 sequence and -35 sequence recognition of the -10 sequence only None of these TRUE ANSWER : ? YOUR ANSWER : ?