Q. When was the operation mechanism of a bacterial operon first elucidated?

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Q. In a bacterial operon, which is located downstream of the structural genes?

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Q. The structural genes in an operon lie adjacent to one another.

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Q. Which is a DNA-binding protein?

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Q. The repressor protein is encoded by _________________

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Q. The capability of the repressor to bind the operator depends upon _____________

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Q. The lac operon consists of ____ structural genes.

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Q. Which of the following acts as an inducer in the lac operon?

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Q. The lac operon is under positive control, a phenomenon called _________________

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Q. Which of the following acts as a co-repressor in tryptophan operon?

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Q. In bacteria, mRNAs bound to small metabolites are called ______________

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Q. The sheep Dolly was cloned in the year ___________

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Q. Single cells from an adult animal can give rise to whole new individuals.

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Q. How many types of cells were fused in the cloning of Dolly?

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Q. The transcriptional state of a cell is irreversible.

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Q. The processing-level control is concerned with ____________

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Q. What percent of a typical Red blood cell is constituted by hemoglobin?

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Q. Which type of control determines for how long will a particular mRNA be translated?

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Q. Which technology can be used to monitor thousands of genes in a single experiment?

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Q. How many types of transcription factors assist in transcription-level control?

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