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TLS Online TPP Program

#Question id: 1973


Clonal selection is an explanation for how

#Unit 4. Cell Communication and Cell Signaling
  1. a single type of stem cell can produce both red blood cells and white blood cells.

  2. V, J, and C gene segments are rearranged.

  3. an antigen can provoke production of high levels of specific antibodies.

  4. HIV can disrupt the immune system.


Answer:- Option(s): 3


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TLS Online TPP Program

#Question id: 4316

#Unit 3. Fundamental Processes

Which of the following processes do normal proto-oncogenes typically exhibit?

TLS Online TPP Program

#Question id: 4317

#Unit 3. Fundamental Processes

Which of the following functions does the product of the p53 gene carry out?

TLS Online TPP Program

#Question id: 4318

#Unit 3. Fundamental Processes

Which of the following statements correctly describes a characteristic of tumor-suppressor gene?

TLS Online TPP Program

#Question id: 4319

#Unit 3. Fundamental Processes

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

TLS Online TPP Program

#Question id: 4320

#Unit 3. Fundamental Processes

Forms of the Ras protein found in tumors usually cause which of the following events to occur?

TLS Online TPP Program

#Question id: 4321

#Unit 3. Fundamental Processes

A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in which type(s) of cancer?

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