#Question id: 1186
#Unit 4. Cell Communication and Cell Signaling
Which of the following explains why Ras is activated quickly by RTKs?
#Question id: 1187
#Unit 4. Cell Communication and Cell Signaling
Which protein stabilizes an intermediate in the Ras GTP hydrolysis reactions?
#Question id: 1188
#Unit 4. Cell Communication and Cell Signaling
Which of the following are enzyme pairs that catalyze opposite reactions?
#Question id: 1189
#Unit 4. Cell Communication and Cell Signaling
Which of the following signaling pathway cannot be activated by cytokines?
#Question id: 1190
#Unit 4. Cell Communication and Cell Signaling
All genes regulated by PKA contain a cis-acting DNA sequence that binds to the phosphorylated form of a transcription factor called:
#Question id: 1191
#Unit 4. Cell Communication and Cell Signaling
Predict the consequences of a temperature-sensitive mutation in which phosphorylation of the β-catenin protein is blocked. Above the permissive temperature: