Melanins are light-absorbing biopolymers useful as topical sunscreens, sunlight-protective coatings for plastics, etc. Which gene is used for producing melanin. 

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#Question id: 11084

#Unit 7. System Physiology – Animal

The next diagram shows two lung units (S and T) with their blood supplies. Lung unit S has an ideal relationship between blood flow and ventilation. Lung unit T has a comprised blood flow. What is the relationship between alveolar dead space (DALV), physiologic dead space (DPHY) and anatomic dead space (DANAT) for these lung units?

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#Question id: 2623

#Unit 2. Cellular Organization

Combinatorial control is a characteristic feature of ;

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#Question id: 5549

#Unit 5. Developmental Biology

During initial stages of vertebrate cleavage, successive blastomeres

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#Question id: 20404

#Unit 3. Fundamental Processes

Exons are the sequences which essentially encodes for

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#Question id: 363

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4? If 1.0 mL of 10.0 M NaOH is added to a liter of the buffer prepared, how much will the pH change? (pKa = 6.86)