The width (helical diameter) of the double helix in B-form DNA in nm is______?

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#Question id: 15608

#Section 6: Plant, Animal and Microbial Biotechnology

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: 15609

#Section 6: Plant, Animal and Microbial Biotechnology

Most bacteria, some protozoans  and even archaea use poly-β-hydroxybutyrate, a polymerized form of β-PHB, as 

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#Question id: 15610

#Section 1: Engineering Mathematics

If A A' = I, then I A I is equal to 

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#Question id: 15611

#Section 1: Engineering Mathematics

If A=   the value

A² - 5A + 7I

 

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#Question id: 15612

#Section 1: Engineering Mathematics

 Let A and  Then (a + b)

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#Question id: 15613

#Section 1: Engineering Mathematics

If A is orthogonal (A AT = I = AT A) then lAl is