lack of migration of neural crest cells (melanocytes)
where do preganglionic parasympathetic neurons originate? - ANSWER✔✔-nuclei of cranial nerves
sacral spinal cord (S2-S4)
where do preganglionic sympathetic neurons originate? - ANSWER✔✔-thoracolumbar spinal cord (T1-
L3)
arginine derivatives - ANSWER✔✔-creatine
urea (urea cycle intermediate)
NO
glutamate derivatives - ANSWER✔✔-GABA
glutathione
snRNPs - ANSWER✔✔-combine with pre-mRNA in nucleus to form spliceosome to remove introns
what must happen in the nucleus so that 7-methylguanosine can be added to RNA in the cytosol? -
ANSWER✔✔-5' capping
what is the purpose of the mRNA 3' poly-A tail? - ANSWER✔✔-export of mRNA from the nucleus
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