Question

1. Which inductive signal has its effects on neural development by acting directly as a transcription factor?

a. Fibroblast growth factor

b. Retinoic acid bound to a retinoid receptor

c. Wnt bound to receptor tyrosine kinase

d. Bone morphogenetic protein

e. Sonic hedgehog bound to Patched protein

2. Olfactory receptors are found at the highest concentration in

a. the olfactory ensheathing cells.

b. the olfactory cell cilia.

c. the cribriform plate.

d. Bowman’s gland cells.

e. olfactory stem cells.

3. Which inductive signal is correctly paired with its receptor?

a. Wnt—Receptor serine kinase

b. Fibroblast growth factor—Frizzled protein

c. Sonic hedgehog—Patched protein

d. Bone morphogenetic protein—Noggin

e. Retinoic acid—Smoothened

4. How are a cortical neuron’s birthday and cortical organization related?

a. Cortical layers are organized to include cells from a wide range of birthdates.

b. Early born neurons are located in the more superficial cortical layers.

c. Early born neurons are located in the more posterior regions of the cortex.

d. Cells that originate at about the same time are organized into the same cortical layers.

Answer 1