Many receptor tyrosine kinase pathways have MAPK as a downstream signaling component. MAPK can phosphorylate target proteins. What type of signaling molecule is MAPK?
A. scaffold
B. second messenger
C. adapter protein
D. enzyme
Answer: D
Biology & Microbiology
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A. Paleozoic Era B. Mesozoic Era C. Cenozoic Era D. Neoproterozoic Era E. Paleoproterozoic Era
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Which part of the brain interacts intimately with the limbic system?
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Bacterial cell wall is made of:
A. cellulose B. Phospholipid C. Protein D. Murein
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