The Movement of Molecules from an Area of High Concentration

question 21

Multiple Choice

The movement of molecules from an area of high concentration to an area of lower concentration is called

• A)facilitated diffusion.
• B)diffusion.
• C)active transport.
• D)osmosis.
• E)endocytosis.

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Definitions:

Rods

Photoreceptor cells in the retina of the eye that are responsible for vision at low light levels.

Photoreceptors

Specialized cells in the retina of the eye that are sensitive to light and enable vision.

Tactile Sensors

Devices designed to measure parameters like pressure, force, and texture, simulating the sense of touch in robotics or electronic devices.

Thermoreceptors

A type of sensory receptors that allow an organism to sense temperature changes in the environment or internally.