Biochemistry facts Flashcards
1
Q
Which DNA repair mechanism is defective in HNPCC?
A
Mismatch repair
2
Q
DNA repair mech defective in XP
A
Nucleotide excision repair –> prevents pyrimidine dimers from UV exposure
3
Q
DNA repair mech defective in Ataxia Telangiectasia / Fanconi Anemia
A
Nonhomologous end joining
4
Q
What adult structure are derived from neuroectoderm?
A
All neurons of CNS retina neurohypophysis pineal gland preganglionic autonomic neurons astrocytes ependymal cells choroid plexus