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Questions and Answers
What are rods able to work in?
What are rods able to work in?
- Dim light (correct)
- Bright light
- Darkness
- Any light condition
What light condition do cones operate in?
What light condition do cones operate in?
- No light
- Dim light
- Bright light (correct)
- Both dim and bright light
Where are rods located?
Where are rods located?
On the edge of the retina
Where are cones located?
Where are cones located?
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What do rods help detect?
What do rods help detect?
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Which photoreceptors are able to detect color?
Which photoreceptors are able to detect color?
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Rods can detect color.
Rods can detect color.
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How many rods are in each retina?
How many rods are in each retina?
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How many cones are in each retina?
How many cones are in each retina?
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What is the role of rods in regards to objects?
What is the role of rods in regards to objects?
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Cones can detect color in low light.
Cones can detect color in low light.
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Study Notes
Rods
- Function in low light conditions, enhancing night vision.
- Found predominantly on the edges of the retina.
- Responsible for detecting light, shape, and movement.
- Unable to perceive color, providing monochrome vision.
- Approximately 120 million rods present in each retina.
- Key in peripheral vision, detecting objects from the corner of the eye.
Cones
- Operate primarily in bright light conditions, facilitating color vision.
- Concentrated in the central region of the retina.
- Capable of detecting different colors but are less sensitive to light compared to rods.
- About 6 million cones exist in each retina.
- Cannot detect color in low light environments, becoming ineffective under such conditions.
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