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TLS Online TPP Program

#Question id: 4319

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

#3. Fundamental Processes

  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: 9193

#9. Diversity of Life Forms

Which of the following best describes the consequences of White-band disease in Caribbean coral reefs?
TLS Online TPP Program

#Question id: 9194

#9. Diversity of Life Forms

Zoonotic disease
TLS Online TPP Program

#Question id: 9197

#9. Diversity of Life Forms

What is the biological significance of genetic diversity between populations?
TLS Online TPP Program

#Question id: 9199

#9. Diversity of Life Forms

Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?
TLS Online TPP Program

#Question id: 9202

#9. Diversity of Life Forms

Which of the following statements regarding extinction is accurate?
TLS Online TPP Program

#Question id: 9204

#9. Diversity of Life Forms

Which of the following observations provides the best evidence of a biodiversity crisis?