Transcription: Introduction
Über den Vortrag
Der Vortrag „Transcription: Introduction“ von Georgina Cornwall, PhD ist Bestandteil des Kurses „Gene Expression“.
Quiz zum Vortrag
Two 6-base sequences are present in bacterial promoters: TATAAT at the -10 position and TTGACA at the -35 position. What is the significance of these two base sequences being different? (Select all that apply)
- It allows for the location of the start site and the direction of transcription to be identified.
- It allows RNA polymerase to distinguish between the template strand and the coding strand of the DNA molecule.
- They are individual binding sites for both the core polymerase and the holoenzyme.
- They are individual binding sites for both the holoenzyme and ATP.
- They allow extra proteins to attach to DNA polymerase to form a holoenzyme.
Which of the following is the most accurate definition of a promoter?
- A DNA sequence to which proteins bind to start transcription
- A regulator region on the 5' end of a template strand of DNA where RNA polymerase binds to initiate transcription
- A regulator region on the 3' end of a template strand of DNA where RNA polymerase binds to initiate transcription
- A regulator region on the 3' end of a gene where DNA polymerase binds to initiate replication
- A regulator region on the 3' end of a coding strand of DNA where RNA polymerase binds to initiate transcription
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Dozent des Vortrages Transcription: Introduction
Georgina Cornwall, PhD
Dr. Georgina Cornwall is a Biology Instructor and currently works as an Instructional Designer in the private sector, developing interactive online training materials.
She obtained her PhD in Environmental, Population, and Organismic Biology at the University of Colorado, USA, in 2000, and has since taught a broad array of biology courses at various US universities.
She is an active promoter of hybrid/online teaching formats and interactive courses, and has received several awards for her engaging and innovative course design; e.g., she was named Adjunct Faculty of the Year at Colorado Mountain College in Aspen twice.
Within Lecturio, Dr. Cornwall teaches courses on Biology & Genetics.
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