In Frogs, Formation of the Eye Lens Is Induced by Chemical

Multiple Choice

In frogs, formation of the eye lens is induced by chemical signals from

A) cells that will become the neural plate.
B) cells that are forming the inner ear.
C) an outgrowth of the developing brain.
D) both cells that will become the neural plate and cells that are forming the inner ear.
E) both cells that will become the neural plate and an outgrowth of the developing brain.