#Question id: 1506
#Unit 4. Cell Communication and Cell Signaling
An oncogene codes for a growth factor receptor that is constitutively active. Of the following statements about a culture of cells expressing this gene, which would you expect to be true?
#Question id: 2459
#Unit 2. Cellular Organization
Which of the following proteins is involved in formation of actin bundles in microvilli by providing crosslinks between actin filaments?
#Question id: 21143
#Unit 12. Applied Biology
#Question id: 2456
#Unit 2. Cellular Organization
If the activity of thymosin β4 was inhibited in fibroblasts, the overall effect would be:
#Question id: 1137
#Unit 4. Cell Communication and Cell Signaling
A loss-of-function mutation in PTEN phosphatase results in
a. increased cell proliferation.
b. decreased cell proliferation.
c. increased apoptosis.
d. decreased apoptosis.