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TLS Online TPP Program

#Question id: 2621

The leaky expression of lac genes ensures that,

#Part-A Aptitude & General Biotechnology

  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: 18909

#Part-A Aptitude & General Biotechnology

What is the compound X-gal?
TLS Online TPP Program

#Question id: 848

#Part-B Specialized Branches in Biotechnology

Which of the brain diseases is not caused by the misfolding of brain proteins in mammals
TLS Online TPP Program

#Question id: 11073

#Part-B Specialized Branches in Biotechnology

The respiratory passageways have smooth muscle in their walls. Which of the following best describes the effect of acetylcholine and epinephrine on the respiratory passageways?
TLS Online TPP Program

#Question id: 15004

#Part-B Specialized Branches in Biotechnology

Which of the following statements about a pedigree would be most definitive in determining a recessive pattern of inheritance?
TLS Online TPP Program

#Question id: 4380

#Part-A Aptitude & General Biotechnology

Which of the following is NOT true regarding the chromatin-remodeling SWI/SNF complex?