#Question id: 1391
#Unit 4. Cell Communication and Cell Signaling
If an adult person has a faulty version of the human analog to ced-4 of the nematode, which of the following is most likely to result?
#Question id: 1392
#Unit 4. Cell Communication and Cell Signaling
In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?
#Question id: 1393
#Unit 4. Cell Communication and Cell Signaling
In research on aging (both cellular aging and organismal aging), it has been found that aged cells do not progress through the cell cycle as they had previously. Which of the following, if found in cells or organisms as they age, would provide evidence that this is related to cell signalling?
#Question id: 1394
#Unit 4. Cell Communication and Cell Signaling
Apoptosis involves all but which of the following?
#Question id: 1395
#Unit 4. Cell Communication and Cell Signaling
Which of the following mutations would promote malignancy in cells whose proliferation is inhibited by TGFβ?
a. overexpression of Smad2
b. loss of Smad 4
c. overexpression of TGFβ receptor I
d. loss of TGFβ receptor II
#Question id: 1396
#Unit 4. Cell Communication and Cell Signaling
Trks are:
a. endonucleases. b. transmembrane receptors. c. proteases. d. protein kinases.