#Question id: 1121
#XL - Q Biochemistry
Which of the following provides the best evidence that cell-signaling pathways evolved early in the history of life?
#Question id: 1122
#XL - Q Biochemistry
In endocrine signaling, the signaling molecule.
#Question id: 1127
#XL - Q Biochemistry
Which of the following steps does not occur after acetylcholine binds to the muscarinic acetylcholine receptor in heart muscle cells?
#Question id: 1133
#XL - Q Biochemistry
What tertiary structure characterizes all cytokines?
#Question id: 1135
#XL - Q Biochemistry
Which of the following is a direct substrate of MAP kinase?
a. TCF b. SRF c. SRE d. p90RSK e. CREB
#Question id: 1175
#XL - T Zoology
Which of the following mechanisms is NOT used to terminate cytokine signaling and the JAK/STAT pathway?