Tumor-suppressor genes encode proteins with which of the following functions?

a. growth-promoting               b. growth-arresting                  c. pro-apoptotic

d. anti-apoptotic                      e. DNA repair

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#Question id: 5313

#Unit 11. Evolution and Behavior

Which of the following statements correctly describes one of the characteristics of alternative splicing in vertebrate genomes?

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#Question id: 7113

#Unit 5. Developmental Biology

In flies, frogs, and chicks, gradients of morphogens determine the future antero-posterior and dorso-ventral axes of the developing embryo. How is the antero-posterior axis determined in C. elegans?

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#Question id: 3349

#Unit 11. Evolution and Behavior

Which of these evolutionary agents is most consistent at causing populations to become better suited to their environments over the course of generations?

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#Question id: 19923

#Unit 12. Applied Biology

Promoter prpl-1 specifies the expression of barnase gene in such cells 1that are 

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#Question id: 23860

#Unit 13. Methods in Biology

RNAi methodology uses double-stranded pieces of RNA to trigger a breakdown or blocking of mRNA. For which of the following might it more possibly be useful?