Q. The cry-of-the-cat syndrome is due to a defect in chromosome __________

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Q. Lactose can be a nutrient source for bacteria, it is a _____________________

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Q. The first step in catabolism of lactose by the bacteria is ________________ of a linkage bond.

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Q. Under minimal conditions, the cell has fewer than 5 copies of enzyme β-galactosidase.

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Q. Enzymes of __________________________ are clustered together in a bacterial operon.

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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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