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#Question id: 4319


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

#SCPH28 | Zoology
  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.


Answer:- Option(s): 1


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#Question id: 423

#SCPH28 | Zoology

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.

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#Question id: 424

#SCPH01 Biochemistry

Phosphorylation at the expense of ATP is catalyzed by ________.

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#Question id: 424

#I Life Science/ Life Sciences Group – I-V

Phosphorylation at the expense of ATP is catalyzed by ________.

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#Question id: 424

#SCPH05 I Biotechnology

Phosphorylation at the expense of ATP is catalyzed by ________.

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#Question id: 424

#SCPH28 | Zoology

Phosphorylation at the expense of ATP is catalyzed by ________.

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#Question id: 425

#SCPH01 Biochemistry

Which is usually the slowest way to regulate a reaction in a metabolic pathway?

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