Question

50. Viral DNA is an important cloning vector because it can typically be combined with relatively large pieces of DNA. sestamog AMO True / False BSW 51. When bacteria are genetically modified to produce a protein product, technical difficulties arise because that product is not always secreted from the cell. True / False 52. Yeasts cannot express foreign, eukaryotic genes. True / False

Answer 1

50. False

This is the limitation of using viruses are a vector. They can carry up to 10 kilo base pairs of DNA whereas plasmid can carry upto 15 kilo base pairs of DNA.

51. True

The given statement is true because the product which is synthesized by the bacteria containing Recombinant DNA molecule may or may not be secreted out of the bacterial cell. This is because of the presence of Transporters on the surface of bacterial cell.

52. False

Yeasts are one of the best Eukaryotic vectors because they can easily Express in themselves any Eukaryotic foreign gene.

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