Results for: Transcription

7,234 Contributions

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In College Applications and Entrance Requirements

How do you get your transcript?

You have to apply to the College or Board that issued the transcript. Include your name and address at the time, as well as the correct dates and what courses you took. There … (MORE)

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In Television and Video

How do you get transcripts from a DVD?

The production company of the DVD might provide transcript copiesof a show when contacted. Normally, transcriptions are advertisedfor purchase with when the DVD is sold.

Alfieslittlegirl

3,541 Contributions

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In Law & Legal Issues

What is a transcript?

i- An official copy of proceedings in a court. . .ii- The transcription of the shorthand notes of the proceedings at a hearing.

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Blue

518,948 Contributions

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In Biology

What is transcription?

Transcription In general, transcription is the process of synthesizing a sequence of mRNA from a complementary template strand of DNA which is read from the 3' â 5' dir…ection but synthesized in the 5' â 3'. It takes place in the nucleus of the cell in eukaryotes and the cytoplasm or nucleoid (if present) in prokaryotes. A more detailed explanation can be found below including its three stages: initiation, elongation, and termination. Initiation The enzyme that does the most work in transcription is RNA polymerase, which is similar to DNA polymerase in DNA replication. RNA polymerase first attaches to the promoter region of the DNA strand, a few nucleotides downstream from the starting point. In eukaryotes, RNA polymerase will bind to a "TATA box," which is a sequence (TATA) of nitrogen bases on the promoter of the template strand. Eukaryotes also require "transcription factors" for RNA polymerase to bind to the promoter. The transcription factors are various proteins which aid the binding through protein-protein interactions. These transcription factors become important in the expression of genes due to their presence or lack of presence; control elements and associated activators also play a role. When the transcription factors catalyze the binding of RNA polymerase to the DNA, the RNA polymerase and transcription factors form what is called the transcription initiation complex . Elongation The RNA polymerase then proceeds to unwind the DNA and form a RNA transcript from the DNA template strand in the 5' â 3' direction. RNA nucleotides are paired to the template strand and is ligated, then released at a rate of 40 nucleotides per second in eukaryotes. Many polymerases may be transcribing one gene at one time. After RNA polymerase moves on, DNA recoils into its natural double helical shape. Termination In bacteria, RNA polymerase stops transcription when it passes through the termination sequence. The resulting RNA transcribed acts as a termination signal which detaches the RNA strand. In eukaryotes, RNA transcribes a termination sequence called the polyadenylation signal sequence (AAUAAA). Various proteins aid in cutting the pre-mRNA (hnRNA) off the template strand, though the polymerase actually continues transcribing for a few hundred nucleotides downstream. The RNA produced is degraded by an enzyme which follows up to the polymerase, releasing it from the strand. (MORE)

Ramkishore Singh Rathore

9,008 Contributions

Ph. D., F. B. S. is Ex- Head of Botany Department, R B S College, Agra and Ex- Principal Government College, Port Blair

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In Biology

What does transcription do?

Transcription is the most functional technique to converting a speech/audio clips into a written document by professional transcriptionist. In genetics, transcription is the… (MORE)

Merp144

467 Contributions

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In Science

What is the promoter in transcription?

A promoter is a region of DNA that allows the recruitment of RNA Pol and other molecules (transcription factors etc), leading to transcription of the sequence and its subseque… (MORE)

Paul Kang

155 Contributions

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In Biology

What is accomplished by transcription?

By the end of transcription, mRNA will be available for the next step which is translation. You require mRNA to translate into a protein for a specific function the cell ne… (MORE)

Mary Brown

3 Contributions

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In Dissertations and Theses

What is thesis transcription?

Thesis transcription refers to the transcript of lectures delivered by professors, teachers, lecturers etc. at classrooms and halls of universities, colleges, schools etc. S… (MORE)

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In Biology

Why is transcription called transcription?

Every definition of "transcription" includes the word transcript. Latin trÄnscrÄ«ptum: " thing copied" A transcript has been defined as this: "A written, typewritten… (MORE)

David Jobson

2 Contributions

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In Uncategorized

How can you get your transcriptions?

There are various transcription services out there which could getthe job done for you, but finding the right one for you is adifferent matter. Getting quality transcriptions … (MORE)