Hair
A follicle-attached hair is found at a crime scene. What does this tell investigators?
The hair was forcibly removed.
The first synthetic fiber ever produced was called?
Nylon
Investigators can determine the age of a person by testing their hair.
False
A hair with a spayed-shaped root was found at a crime scene. What does this tell an investigator?
The hair came from a dog.
The pigment granules that give hair its color are called what?
Melanin
This species may have an absent medulla.
Human
Which fiber has a unique smell when burned because of the keratin it contains?
Wool
Many filaments twisted together is called a FIBER.
True
This species has a coronal cuticle pattern.
Dog
Fiber used in surgical sutures?
Silk
Human hair is one of the most frequently found pieces of evidence at a crime scene. Why?
Because hair is persistent - it stays around.
Acetate is what type of fiber?
Acetate
Hair is used for drug testing because it is cheaper that drug testing.
False
This species has a frayed root.
Cat
What fiber causes cancer?
Asbestos
A fragmented medulla belongs to which species?
Human
The most durable man-made fiber is what?
Nylon
Cotton is the most commonly used natural fiber.
True
Fiber made from goats is called what?
Mohair
This portion of the hair contains pigment granules?
Cortex
What portion of the hair is living?
The root
What natural fiber is used in boat hulls?
Fiberglass
Fibers made from coconuts is called Mohair.
False - it is called Coir
Fiber made from rabbit hair is called what?
Angora Wool
The protein that gives hair its strength is called what?
Keratin