What eye component is lacking in color-blind individuals?
A) cones
B) ganglia
C) bipolar cells
D) pupils
E) rods
Correct Answer:
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Q14: Signaling molecules secreted by one individual that
Q15: Farsightedness can be caused by _.
A)a longer
Q16: A cataract is caused by _.
A)clouding of
Q17: Which sensory organs respond to body position
Q18: The pupil is an opening at the
Q20: The main visual pigment in rods is
Q21: The semicircular canals are _.
A)empty
B)filled with gas
C)filled
Q23: Olfactory receptors are used for _.
A)sight
B)sound
C)smell
D)taste
E)touch
Q24: Mechanoreceptors are excited by _.
A)tissue damage
B)temperature change
C)chemical
Q25: Rods and cones are located in the
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