#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: 5554
#Unit 5. Developmental Biology
Even in the absence of sperm, metabolic activity in an egg can be artificially activated by ________.
#Question id: 4365
#Unit 3. Fundamental Processes
Which of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria?
#Question id: 23492
#General Aptitude
#Question id: 2950
#Unit 2. Cellular Organization
During which phases of the cell cycle do the chromosomes exist in a doubled state?