Q. What is the usual sequence of a Pribnow box?

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Q. Which of the following component of RNA polymerase facilitates the recognition of promoter sequences?

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Q. Which of the following statement defines a replicon?

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Q. Which eukaryotic RNA polymerase makes tRNA's?

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Q. The location of first hexameric sequence typically found in pro-karyotic promoters is

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Q. Which of the following is a product of transcription?

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Q. The sigma factor

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Q. The synthesis of mRNA based on a DNA template is called

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Q. Recognition/binding site of RNA polymerase is called

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Q. Which of the following enzyme(s) is/are required for lactose fermentation?

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Q. Which of these catalyzes the synthesis of RNA from a DNA template?

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Q. A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called

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Q. An mRNA transcript of a gene contains

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Q. Which of the following proteins first binds to TATA box during transcription?

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Q. The components found in all prokaryotic transcription terminators is

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Q. A specific __________ factor helps RNA polymerase bind to late promoters and transcribe late genes.

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Q. Genetic variations are

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Q. The mutation which will not affect the length of a protein is,

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Q. Changes in which of the following characterizes mutations?

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Q. Which of the following(s) is/are steps in excision repair mechanisms?

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