What is keratin primarily classified as?
I WONDER - What Are Fingernails Made From?

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Biology, Science
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6th - 8th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A type of protein
A type of carbohydrate
A type of lipid
A type of vitamin
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is keratin naturally found in humans?
In the muscles and tendons
In the hair and nails
In the skin and bones
In the blood and lymph
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which animals have keratin in their bodies?
Only birds
Horses and birds
Only mammals
Fish and reptiles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Greek origin of the word 'keratin'?
It means 'hoof'
It means 'horn'
It means 'feather'
It means 'nail'
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes keratin's properties?
Soft and soluble
Brittle and soluble
Tough and insoluble
Flexible and soluble
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