Melanin Physiology: Conversion of Dopachrome to Dihdroxyindole

Melanin Physiology: Conversion of Dopachrome to Dihdroxyindole

Assessment

Interactive Video

Science, Biology, Chemistry

University

Hard

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The video explores the synthesis of melanin, focusing on the role of enzymes like tyrosinase and the formation of pre-monomers such as DHCA and DHI. It explains the function of melanocytes and melanosomes in melanin production and delves into the non-enzymatic reaction mechanism that converts DOPA Chrome to DHI. The video also discusses the organic chemistry behind the reaction, highlighting the importance of aromaticity and the spontaneous nature of the process.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of dihydroxy indole carboxylic acid (DHCA) in the synthesis of melanin.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the difference between the two pre monomers involved in melanin synthesis.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the role of tyrosinase in melanin synthesis?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the melanosome in the synthesis of melanin?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two types of melanin mentioned in the video, and how do they differ?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process by which DOPA Chrome is converted into dihydroxy indole (DHI).

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the non-enzymatic reaction of DOPA Chrome to DHI occur spontaneously?

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