Answer=
The process of transcription divided into three main stages:
key characteristics of each stage in transcription :
The transcription is the process of the synthesis of RNA from DNA.
Transcription completed in three stages:
1.Initiation = It is the first stage in transcription, during this stage,RNA polymerase binds to the promoter sequences of DNA. once RNA polymerase binds to promoter, there is unwinding of DNA strands takes place, providing template for RNA synthesis.
promoter is the sequence of DNA from where the process of transcription starts.
2.Elongation = during this stage there is addition pf nucleotide bases to the mRNA strand.RNA polymerase is main transcribing enzyme, which catalyses this step, it read the DNA molecule and forms the mRNA molecule by adding complementary base pairs to the DNA
molecule.
RNA polymerase uses the template DNA that is in direction 3'-5' ,and synthesizes mRNA in the 5' - 3' direction.
complementary base pairs are adenine in DNA binds to the uracil in mRNA, guanine in DNA binds to the cytosine in mRNA or vice versa.
3.Termination = this is the third stage in which there is transcription process ends when RNA polymerase reaches a termination sequence.the terminator sequences signals that the RNA transcript is complete.
The mRNA strand is complete and detaches from DNA.
2. Transcription can be divided into 3 main stages: initiation, elongation, and termination, List the role...
QUESTION 12 Which stage of transcription in eukaryotes requires transcription factors? a) initiation b) elongation c) termination d) initiation and elongation e) all of these
QUESTION 12 Which stage of transcription in eukaryotes requires transcription factors? O a) initiation Ob) elongation c) termination d) initiation and elongation e) all of these
Write about three stages of transcription: initation, elongation and termination?
15. Translation (RNA protein) has three main stages: initiation, elongation, and termination. a. Initiation occurs when the small ___________________ subunit binds to the ____ end of mRNA and is then joined by the large _________________ subunit (which has three sites called the A, P, and E sites). Once the complex is formed, the _______________ begins to read the mRNA in a ____ to ____ direction. When it reaches the first start codon (_________) a tRNA carrying the amino acid ______________________...
Describe the process of Prokaryotic RNA transcription in molecular detail You must be able to describe the process and order of events in initiation, elongation, and termination. You must describe the catalytic/biological purpose function of the key proteins/elements in elongation -35 and -10 (Pribnow box) Promoters Sigma factors (does not matter which one) RNA Polymerase (including structure and subunits and mechanism) Rho-independent and rho-dependent termination How sequence composition affects promoter function
1. Describe the three stages in transcription in prokaryotes and note the functions of the enzymes that are involved for each. 2. Describe three ways in which transcription in in eukaryotes is different from that of prokaryotes. 3. At what stage of transcription do these alterations take place in? Initiation, Elongation or Termination? 4. Draw a prokaryotic gene with the following features: a. A promoter region with -35 and -10 consensus sequences. b. The start point of transcription with first...
QUESTION 6 During which stage of eukaryotic transcription do the following processes take place? 1. RNA polymerase ll binds to the promoter 2. The RNA transcript released 3. The RNA transcript extended a. 1-termination; 2-initiation; 3-elongation b. 1-nitiation, 2-elongation; 3-termination c. 1-elongation; 2-termination; 3-initiation d. 1-initiation; 2-termination; 3-elongation e. 1-termination; 2-elongation; 3-initiation
-Stages of transcription (in detail for each step) - what components are required -Modifications of RNA (on the ends of mRNA, on the interior of mRNA) -why are these modifications important? -Ways to cut out introns (i.e. Splicesomes) -Alternative splicing Translation -TRNA structure and function -What controls accurate translation -wobble effect of tRNAS -general concept of how translation works using mRNA, ribosome, anticodon, tRNA -3 stages of translation (in detail) -initiation -elongation -termination
RNA polymerase releases the DNA template. Initiation Elongation Termination A process called clearance or escape. The RNA polymerase holoenzyme binds to the promoter A process called clearance or escape. Reaching a terminator sequence causos formation of phosphodiester bonds to stop. The RNA polymerase holoenzyme is formed. Once bound to the promoter, RNA polymerase begins to unwind the DNA. New nucleotides are added to the 3' end of the growing RNA transcript. The RNA-DNA hybrid within the transcription bubble dissociates New...
can you make an outline/ give each step of transcription/ rna processing from: DNA to pre-mRNA processing initiation elongation termination transcription regulation transduction pathways, transcription factors, protein bridges termination/processing adding 3' poly A tail intron splicing alternative splicing lariat structure coupling transcription self splicing introns