When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,

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#Question id: 852

#Part-B Specialized Branches in Biotechnology

.________ enzyme revealed the relation between the amino acid sequence of a protein and its conformation.

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#Question id: 22906

#Part-B Specialized Branches in Biotechnology

Which hypersensitivity reactions are T cell mediated? 

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#Question id: 18680

#Part-A Aptitude & General Biotechnology

DNA from Salmonella species, when digested with the restriction enzyme Xba I, gives around 15 fragments ranging from 25 kb to 680 kb This pattern of fragments, or ‘fingerprint’, is unique to that strain. If the same fingerprint is found from bacteria from other infected people, then it can be assumed that they were all infected from a common source. Thus, by comparing their eating habits, food sources, etc. the source of the infection can be traced to a restaurant, food item. The fingerprints are created and analysed by

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#Question id: 3619

#Part-A Aptitude & General Biotechnology

Alleles that are both expressed in a heterozygote are

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#Question id: 18982

#Part-A Aptitude & General Biotechnology

A number of convenient vector systems that incorporate both transcriptional and translational signals for the expression of cloned eukaryotic genes in E. coli have been developed. One such system is called expression vector is