HORTICULTURE

HORTICULTURE SCIENCE

FRUIT SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Melanin is ____
A
The name of an enzyme
B
a pigment found in human hair, skin and eyes responsible for dark brown colour
C
The name of the scientist who discovered enzymatic browning
D
the name of a reaction between oxygen and an enzyme
Explanation: 

Detailed explanation-1: -Melanin is a substance in your body that produces hair, eye and skin pigmentation. The more melanin you produce, the darker your eyes, hair and skin will be. The amount of melanin in your body depends on a few different factors, including genetics and how much sun exposure your ancestral population had.

Detailed explanation-2: -Hair color is determined by the amount of a pigment called melanin in hair. An abundance of one type of melanin, called eumelanin, gives people black or brown hair. An abundance of another pigment, called pheomelanin, gives people red hair.

Detailed explanation-3: -Melanin gives color to the skin, hair, and iris of the eyes. Levels of melanin depend on race and amount of sunlight exposure. Sun exposure increases melanin production to protect the skin against harmful UV (ultraviolet) rays. In addition, hormonal changes can affect melanin production.

Detailed explanation-4: -Mostly brown or black in colour, melanin deposits determine the skin pigment which varies depending on the number and distribution of the melanosomes.

There is 1 question to complete.