#Question id: 1468
#Unit 4. Cell Communication and Cell Signaling
Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?
#Question id: 1469
#Unit 4. Cell Communication and Cell Signaling
Forms of the Ras protein found in tumors usually cause which of the following events to occur?
#Question id: 1470
#Unit 4. Cell Communication and Cell Signaling
A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in which type(s) of cancer?
#Question id: 1471
#Unit 4. Cell Communication and Cell Signaling
Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?
#Question id: 1472
#Unit 4. Cell Communication and Cell Signaling
Which of the following components of the immune system destroys cancerous cells by punching holes in plasma membranes and triggering apoptosis?
#Question id: 1473
#Unit 4. Cell Communication and Cell Signaling
A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing which type of cell-to-cell signaling?