INTEGUMENTERY SYSTEM
INTEGUMENTERY SYSTEM MISCELLENOUS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is hair made up of?
|
|
keratin
|
|
|
melanin
|
|
|
color
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -At the molecular level, keratin is a helical protein (Pauling & Corey, 1950). There are two types of keratin fibres that exist in hair: type I with acidic amino acid residues and type II with basic amino residues. One strand of type I fibre and one strand of type II fibre spiral together to form coiled-coil dimers.
Detailed explanation-2: -what proteins are hair made of? The hair is made of over 95 percent keratin protein.
There is 1 question to complete.