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TLS Online TPP Program

#Question id: 4608

What must be true of any organ described as vestigial?

#Unit 11. Evolution and Behavior

  1. It must be analogous to some feature in an ancestor.

  2. It must be homologous to some feature in an ancestor.

  3. It must be both homologous and analogous to some feature in an ancestor.

  4. It need be neither homologous nor analogous to some feature in an ancestor.

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TLS Online TPP Program

#Question id: 1433

#Unit 4. Cell Communication and Cell Signaling

Which of the following interventions would NOT be likely to prevent tumor cells from metastasizing?
TLS Online TPP Program

#Question id: 1434

#Unit 4. Cell Communication and Cell Signaling

A bone tumor sample appears to be heterozygous for a p53 mutation. The most likely explanation for this finding is:
TLS Online TPP Program

#Question id: 1435

#Unit 4. Cell Communication and Cell Signaling

Direct-acting carcinogens are those that:
TLS Online TPP Program

#Question id: 1436

#Unit 4. Cell Communication and Cell Signaling

Telomerase:
TLS Online TPP Program

#Question id: 1437

#Unit 4. Cell Communication and Cell Signaling

Exposure to benzo(a)pyrene is most frequently associated with which type of cancer?
TLS Online TPP Program

#Question id: 1438

#Unit 4. Cell Communication and Cell Signaling

The first line of defense against point mutations is: