Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 52485
TLS Online TPP Program

#Question id: 4319

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

#SCPH01 Biochemistry

  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.

More Questions
TLS Online TPP Program

#Question id: 24441

#SCPH01 Biochemistry

If the heart rate is 90 beats/min, what is the cycle length?
TLS Online TPP Program

#Question id: 4574

#SCPH06 I Botany

Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are
TLS Online TPP Program

#Question id: 5752

#SCPH06 I Botany

base change that changes a codon for an amino acid to a stop codon
TLS Online TPP Program

#Question id: 4747

#SCPH28 | Zoology

How does incomplete dominance differ from incomplete penetrance?
TLS Online TPP Program

#Question id: 1750

#SCPH01 Biochemistry

IFNγ and TNF (TNFα) can act synergistically: