Its Probably a Protein's Fault

Caffeine... choose 2.

• Blocks adenosine receptors

• Causes someone to feel LESS sleepy

• Causes someone to feel MORE sleepy

What happens with adenosine binds to receptors on brain cells?

• It gives someone more energy

• It makes someone sleepy

• It leads to feelings of pleasure

• It causes a person to feel happy about life.

Which protein supports the shape and structure of a hair follicle?

• Collagen

• Keratin

• Muscles

• Hormones

Which type of hair follicle would have the strongest keratin fibers?

• Straight Hair Follicle

• Wavy Hair Follicle

• Curly Hair Follicle

• Coily Hair Follicle

Which protein does a Red-Haired person LACK?

• Myostatin

• Keratin

• MC1R Receptor Protein

• Collagen

Tags

NGSS.HS-LS1-1

Which type of cells make melanin?

• Red Blood Cells

• Melanocytes

• Hair Cell

• All body Cells

What results from a missing MC1R receptor protein?

• Red Hair

• Double Muscled Body

• Curly Hair

• Brown to Black Hair

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which protein is mutated when an animal is double-muscled?

• The myostatin signaling protein.

• The myostatin receptor protein on the cell membrane

Tags

NGSS.MS-LS3-1

Myostatin attaching to its receptor on muscle cells causes muscles to ...

• Continue growing

• STOP growing

True or False: Humans can have the double-muscled mutation.

• True

• False

Tags

NGSS.HS-LS3-2