How many different varieties of cones are found in humans?
A) 1
B) 2
C) 3
D) 5
E) 12
Correct Answer:
Verified
Q45: In humans, depth perception is possible because:
A)we
Q46: The optic nerve:
A)is made up of hair
Q47: In order for the nose to sense
Q48: Why do things appear mainly black or
Q49: The fovea of the human eye is:
A)made
Q51: Which is the correct sequence of structures
Q52: What is the effect of a short
Q53: Which type of taste receptor cell responds
Q54: The receptor cells affected by light rays
Q55: Smell and taste are detected by:
A)chemoreceptors.
B)photoreceptors.
C)thermoreceptors.
D)mechanoreceptors.
E)pain receptors.
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