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: 1264

#Unit 4. Cell Communication and Cell Signaling

 Desmosomes

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#Question id: 10739

#Unit 10. Ecological Principles

 A rat that is "maze-dull"

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#Question id: 376

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is

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#Question id: 11059

#Unit 7. System Physiology – Animal

A healthy, 45-year-old man is reading the newspaper. Which of the following muscles are used for quiet breathing?

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#Question id: 12646

#Unit 6. System Physiology – Plant

A major jasmonic acid signaling pathway is involved in most plant defenses against insect herbivores is the____