Storyline Melanin

What determines skin tone?

• The amount of water in skin cells

• The amount of melanin in the skin

• The size of the skin cells

• The type of blood in the body

Tags

NGSS.HS-LS3-2

What cells in the skin produce pigment, which helps absorb radiation from UV light?

• Squamous cells

• Basal cells

• Melanocytes

• Fat cells

What is the primary function of melanin in the human body?

• To provide energy

• To protect against UV radiation

• To store fat

• To regulate body temperature

Which type of melanin is responsible for darker skin tones?

• Pheomelanin

• Eumelanin

• Neuromelanin

• Allomelanin

In which layer of the skin is melanin primarily found?

• Epidermis

• Dermis

• Hypodermis

• Subcutaneous

What triggers the production of melanin in the skin?

• Cold temperatures

• Sunlight exposure

• High altitude

• Wind exposure

Which vitamin is synthesized in the skin with the help of sunlight and melanin?

• Vitamin A

• Vitamin B12

• Vitamin C

• Vitamin D

How does melanin protect the skin from UV damage?

• By reflecting UV rays

• By absorbing UV rays

• By refracting UV rays

• By scattering UV rays

What is the genetic condition called where there is little or no melanin production?

• Vitiligo

• Albinism

• Psoriasis

• Eczema

Tags

NGSS.HS-LS1-1

Which of the following is a real-world application of melanin outside the human body?

• Used in solar panels

• Used in food coloring

• Used in textile dyes

• Used in water purification