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: 19200

#SCPH01 Biochemistry

What kind of biosensors uses ion-selective electrodes to convert the biological reaction into electronic signal?

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#Question id: 4568

#SCPH28 | Zoology

 In Darwinʹs thinking, the more closely related two different organisms are, the

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#Question id: 407

#SCPH05 I Biotechnology

The reaction A + B -> C has a DG'° of –20 kJ/mol at 25° C.  Starting under standard conditions, one can predict that:

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#Question id: 3290

#SCPH28 | Zoology

Dog breeders maintain the purity of breeds by keeping dogs of different breeds apart when they are fertile. This kind of isolation is most similar to which of the following reproductive isolating mechanisms?

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#Question id: 2095

#I Life Science/ Life Sciences Group – I-V

Glycolipids and glycoproteins are especially abundant in the