Hair Test

The protein that makes up hair is called _____

• ninhydrin
• pigments 
• medulla
• keratin

Tags

NGSS.MS-LS3-1

The deepest layer of hair (compared to the lead of a pencil) is the ___

• medulla
• cortex
• cuticle
• keratin 

What part of the hair is the thickest layer and contains most of the pigment?

• medulla
• cortex
• cuticle
• keratin

Which phase of hair growth usually lasts three to five years?

• anagen
• catagen
• telogen
• melanen

Is this hair animal or Human?

• Animal

• Human

Is this hair animal or Human?

• Animal

• Human

What medulla pattern is shown?

• Absent

• Continuous

• Stacked

• Ladder

• Interrupted

hair follicle

• the actively growing root or base of hair containing DNA and living cells
• material that connects an indivisual or thing to a certain group
• a type of fibrous protein that makes up the majority of the cortex of a hair
• the tough outer covering of a hair composed of overlapping scales

Can we tell if a hair was forcibly removed?

• Yes

• no

Is it possible to determine the species of hair evidence without DNA?

• Yes

• no