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TLS Online TPP Program

#Question id: 1468

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

#Unit 4. Cell Communication and Cell Signaling

  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: 12351

#Unit 10. Ecological Principles

All the resources a species could potentially use describe its ____________.
TLS Online TPP Program

#Question id: 12352

#Unit 10. Ecological Principles

Which of the following populations is most likely to go extinct?
TLS Online TPP Program

#Question id: 12353

#Unit 10. Ecological Principles

The number of individuals per unit area determines the population's
TLS Online TPP Program

#Question id: 12354

#Unit 10. Ecological Principles

____________ is the physical place where a species lives.
TLS Online TPP Program

#Question id: 12355

#Unit 10. Ecological Principles

_______ is the number of individuals per unit area. 
TLS Online TPP Program

#Question id: 12356

#Unit 10. Ecological Principles

Which of the following is not a pattern of dispersion?