Imprimer Froggy Jumps: Melanogenesis Quiz ()

1. What is the primary pigment responsible for skin color?

A

Collagen

B

Melanin

C

Keratin

2. Which enzyme is crucial for the production of melanin?

A

Tyrosinase

B

Amylase

C

Lipase

3. Where does melanogenesis occur in the body?

A

Melanocytes

B

Adipocytes

C

Fibroblasts

4. What is the precursor molecule for melanin synthesis?

A

Serine

B

Tyrosine

C

Glutamine

5. Which skin cell type is responsible for transferring melanin to keratinocytes?

A

Melanocytes

B

Fibroblasts

C

Langerhans cells

6. What triggers melanogenesis in response to UV radiation?

A

Insulin

B

Melanocyte-stimulating hormone (MSH)

C

Cortisol

7. What is the function of melanin in the skin?

A

Moisturization

B

UV protection

C

Wound healing

8. Which organelle is involved in the synthesis of melanin?

A

Golgi apparatus

B

Melanosomes

C

Lysosomes

9. What is the role of tyrosinase in melanogenesis?

A

Transports melanin

B

Catalyzes melanin production

C

Destroys melanin

10. What can inhibit the activity of tyrosinase?

A

Vitamin C

B

Hydroquinone

C

Retinol