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Questions and Answers
What role does the notochord play during development?
What role does the notochord play during development?
- It is a support structure for the developing brain.
- It is a transient structure that defines the axis of symmetry of the organism. (correct)
- It is the source of neuronal induction molecules.
- It is a transient structure that will develop into intervertebral disk in the adults.
How are a cortical neuron’s birthday and cortical organization related?
How are a cortical neuron’s birthday and cortical organization related?
- Early born neurons are located in the superficial cortical layers (layers 2,3).
- Late born neurons are located in the deep cortical layers (layers 5,6).
- Early born neurons are located in the deep cortical layers (layers 5,6). (correct)
- Late born neurons are located in the superficial cortical layers (layers 2,3).
What is the difference between symmetrical and asymmetrical division?
What is the difference between symmetrical and asymmetrical division?
- Symmetrical division results in one young neuron and one stem cell; asymmetrical division results in two young neurons.
- Symmetrical division results in two young neurons; asymmetrical division results in one young neuron and one stem cell.
- Symmetrical division results in one young neuron and one stem cell; asymmetrical division results in two new stem cells.
- Symmetrical division results in two new stem cells; asymmetrical division results in one young neuron and one stem cell. (correct)
A mouse model is created in which the Noggin protein is knocked out. How would this affect development in the mouse?
A mouse model is created in which the Noggin protein is knocked out. How would this affect development in the mouse?
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An experimental animal develops with fetal abnormalities, specifically, the hemispheres of the forebrain do not have clear separation. Which condition could be responsible for this?
An experimental animal develops with fetal abnormalities, specifically, the hemispheres of the forebrain do not have clear separation. Which condition could be responsible for this?
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