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

TLS Online TPP Program

#Question id: 27868

#Research Methodology

Which technique is generally followed when the population is finite?

TLS Online TPP Program

#Question id: 5562

#SCPH06 I Botany

In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.

TLS Online TPP Program

#Question id: 17205

#SCPH05 I Biotechnology

While scanning for similarity in motifs, how regular expressions techniques work?

TLS Online TPP Program

#Question id: 7302

#SCPH01 Biochemistry

Match the following level of microRNAs in Arabidopsis (Column II and III) with their Phases (Column I)

Phases (Column I)	microRNAs (Column II)	Level of microRNAs (Column III)
A. Juvenile vegetative phase	i. miR156	a. Low
B. Adult vegetative phase	ii. miR172	b. High
C. Reproductive phase

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 612

#SCPH05 I Biotechnology

 The quaternary structure of hemoglobin changes from the T state to the R state ________.