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WorksheetsConstruction of Neural Circuits Part 2
Total questions: 11
Worksheet time: 5mins
Targets must secrete ___ if the innervating neurons are to survive.
tropic molecules
neurotrophic factors
chemoattractants
chemorepellents
In the nervous system, Cadherin and Protocadherin are important for ___ and require ___ as a mediator.
neuronal growth and magnesium
axonal guidance and potassium
Neurexin, neuroligin, Ephrin B ligands and their EphB receptors are all examples of ___.
Chemorepellants
Trophic support
In synaptic formation, competitive interactions such as preemptive removal involves what?
When a neuron increases the number of dendrites, then:
BDNF, NGF, and NT-3 are all examples of ___.
Chemorepellants
Genes that affect tropic signalling
BDNF, NGF, and NT-3 bind to what type of receptors?
Structural homology among both the neurotrophins and the Trk receptors means that ___.
ligands are capable of crossactivation
their structures are identical
Neurotrophic signalling endosomes do what?
Facilitate the retrograde transport of neurotrophic factors within the neuron.
Transport neurotrophic factors in an exclusively anterograde direction
Trk receptor activation could result in the following:
Cell survival
Neurite growth
Activity-dependent plasticity
All of the above
Which genes help to match CNS motor neurons originating in the cervical, thoracic, and lumbar segments to their respective peripheral muscle targets?
LIS1
DCX
Hox family
RELN
