Examlex
Hepatitis C differs from hepatitis B in that it attacks the RNA of a cell,whereas hepatitis B attacks the DNA.
UV Rays
Short for ultraviolet rays, a type of electromagnetic radiation from the sun that can cause skin damage and cancer.
Melanocytes
Cells located in the skin that produce melanin, the pigment responsible for skin color and protection against UV radiation.
Melanin
A pigment produced by melanocytes in the skin, responsible for hair, skin, and eye color, and provides protection against UV radiation.
UV Radiation
A form of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, capable of causing skin damage and other health effects.
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