Problem:OPTIONS:
- pupil
- cornea
- sclera
- retina

Q: The photoreceptive cells of the eye, where transduction of light to nervous impulses occurs, are located in this? A:
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A: retina

Problem:OPTIONS:
- radiation
- heat
- light
- radioactivity

Q: Alpha emission is a type of what? A:
****
A: radioactivity

Problem:OPTIONS:
- panic attack
- nausea
- plague
- allergy

Q: What occurs when the immune system attacks a harmless substance that enters the body from the outside? A:
****
A: allergy

Problem:OPTIONS:
- the epithelium
- the mesothelium
- the chloroplast
- the cell wall

Q: What shapes, supports, and protects the cell? A:
****
A:
the cell wall