5 Questions
Which molecular mechanism for transmembrane signaling involves receptors with intrinsic or associated tyrosine kinase activity?
Receptors with intrinsic or associated tyrosine kinase activity
What do G proteins bind to?
Guanosine triphosphate (GTP) and guanosine diphosphate (GDP)
What is the composition of heterotrimeric G proteins?
Three subunits: α, β, and γ
Which cellular process do G proteins NOT play a role in?
DNA replication
What is the function of heterotrimeric G proteins?
Facilitating cell-cell communication
Test your knowledge on the molecular mechanisms involved in transmembrane signaling including ligand-gated ion channels, guanylyl cyclase activity, tyrosine kinase activity, and G-protein-coupled receptors.
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