TLS Online TPP Program

#Question id: 28577


Sox9-a testes forming gene specifically upregulated by combined expression of which protein?

#Unit 5. Developmental Biology
  1. Sry and Sf1 proteins in granulosa cell precursors
  2. fox2 and Rspo1 proteins in leyding cell precursors
  3. Sry and Sf1 proteins in Sertoli cell precursors
  4. Wt1 and Sf1 proteins in Sertoli cell precursors
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TLS Online TPP Program

#Question id: 18675

#Unit 13. Methods in Biology

Which of the following is the example free solution electrophoresis

TLS Online TPP Program

#Question id: 18676

#Unit 13. Methods in Biology

which of the following technique can be analysed hybridisation probes,  gene-cloning use as primers for DNA sequencing,  the polymerase chain reaction (PCR), use in site-directed mutagenesis and use as antisense therapeutics

TLS Online TPP Program

#Question id: 18677

#Unit 13. Methods in Biology

Point mutations in DNA, such as occur in a range of human diseases, can be identified by 

TLS Online TPP Program

#Question id: 18678

#Unit 13. Methods in Biology

which of the following technique can be analysed of PCR products from HIV-I allowed the identification of between 200 000 and 500 000 viral particles per cubic centimetre of serum.

TLS Online TPP Program

#Question id: 18679

#Unit 13. Methods in Biology

Chiral compounds can be resolved using

TLS Online TPP Program

#Question id: 18680

#Unit 13. Methods in Biology

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