A long chain of amino acids linked by peptide bonds is called a chain.
What is Polypeptide?
All natural color is the result of pigment called.
What is melanin
The fibrous protein core formed by elongated cells that contain melanin pigment is the .
What is cortex
What are the three growth cycles of human hair?
What is Anagen, Catagen and telogen?
The small involuntary muscle fiber in the base of the hair follicle is the .
What is arrector pili
A lengthwise section of hair that shows that cuticle scales overlap and each individual cuticle scale is attached to the .
What is cortex
Hair is approximately percent protein.
What is 90
The hair shaft that emerges from the scalp is a nonliving fiber composed of .
What is keratinized protein?
Vellus hair is also known as hair.
What is lanugo
The pocket or tube-like depression in the scalp or skin that contains the hair root is the hair .
What is follicle?
A physical side bond that is easily broken by water and heat is a .
What is Hydrogen bond?
Hair is composed of protein that grows from cells originating within the .
What is hair follicle?
The hair, skin, nails, and glands are part of the system.
What is integumentary?
The three different types of side bonds that link chains of amino acids together are .
What is hydrogen, salt, and disulfide
The major elements that make up human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, often referred to as .
What is COHNS elements
A small cone-shaped area located at the base of the hair follicle that fits into the hair bulb is the.
What is dermal Papilla
The Greek word trichos means .
What is hair
What is the outermost layer of hair?
What is hair cuticle?
The thickened, club-like structure that forms the lower part of the hair root is the .
What is hair bulb
What type of bond is broken by wetting the hair with water and is reformed when the hair dries?
What is hydrogen bond?
A weak, physical, cross-link side bond between adjacent polypeptide chains that is broken by changes in pH is a bond.
What is salt bond?
The body naturally produces of the 20 amino acids that make up hair.
What is 11?
What is the growth phase during which new hair is produced?
What is anagen
The substance secreted by the sebaceous glands is called .
What is sebum?
What part of the hair is located below the surface of the epidermis?
What is the hair root?