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TLS Online TPP Program

#Question id: 4319

Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?

#Part-A Aptitude & General Biotechnology

  1. Their normal products participate in repair of DNA damage.

  2. The mutant forms of either one of these prevent breast cancer.

  3. The normal genes make estrogen receptors.

  4. They block penetration of breast cells by chemical carcinogens.

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TLS Online TPP Program

#Question id: 2937

#Part-A Aptitude & General Biotechnology

Separase initiates sister chromatid segregation at anaphase by cleaving:
TLS Online TPP Program

#Question id: 2938

#Part-A Aptitude & General Biotechnology

Which of the following inhibit(s) cyclin A/Cdk2 activity?
TLS Online TPP Program

#Question id: 2939

#Part-A Aptitude & General Biotechnology

Failure of which cell-cycle checkpoint is most likely to result in non-dysjunction?
TLS Online TPP Program

#Question id: 2940

#Part-A Aptitude & General Biotechnology

Chk1is activated by:
TLS Online TPP Program

#Question id: 2941

#Part-A Aptitude & General Biotechnology

Centromeric Rec8 becomes cleaved during:
TLS Online TPP Program

#Question id: 2942

#Part-A Aptitude & General Biotechnology

During mitosis, the breakdown of the nuclear envelope depends on the: