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TLS Online TPP Program

#Question id: 2621

The leaky expression of lac genes ensures that,

#SCPH28 | Zoology

  1. There is a normal level of b-galactosidase in the cell even in the absence of lactose

  2. Only allolactose binds to the Lac repressor and triggers a change in the shape of that protein.

  3. Allolactose has permanently altered the shape of the repressor.

  4. Only low level of b-galactosidase in the cell even in the absence of lactose.

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TLS Online TPP Program

#Question id: 4807

#SCPH12 I Genetics

Three incompletely link marker gene was found. There is a marker A gene present in middle. Cross between aaBBcc X AAbbCC to produce heterozygous were allowed test cross, which of the following test cross offspring should be least frequent?
TLS Online TPP Program

#Question id: 15481

#SCPH05 I Biotechnology

One of the approaches for the bacterial strain improvement for primary metabolite include
TLS Online TPP Program

#Question id: 3444

#SCPH28 | Zoology

Which of the following is least related to the others?
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#Question id: 1406

#SCPH28 | Zoology

Which of the following is a consequence of p53 stabilization?

a. stabilization of Cdc25A      b. activation of ATM                c. blocked apoptosis

d. transcription of p21                        e. DNA repair
TLS Online TPP Program

#Question id: 3717

#SCPH28 | Zoology

E. coli DNA polymerase catalyzes polymerization in the ________ direction(s)