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#Question id: 15608


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

#Section 6: Plant, Animal and Microbial Biotechnology
  1. tyrosinase gene only
  2. Copper ions only
  3. tyrosinase gene and copper ions
  4. Nitrilase gene only 

Answer:- Option(s): 3


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TLS Online TPP Program

#Question id: 576

#Section 2: General Biology

The hydrophobic cleft in globular proteins which bind substrate molecules is called the ________.

TLS Online TPP Program

#Question id: 577

#Section 2: General Biology

Most of the known enzymes are ________.

TLS Online TPP Program

#Question id: 578

#Section 2: General Biology

An enzyme that catalyzes conversions of L-sugars to D-sugars is called a/an ________.

TLS Online TPP Program

#Question id: 579

#Section 2: General Biology

Oxidases, peroxidases, oxygenases or reductases are all

TLS Online TPP Program

#Question id: 580

#Section 2: General Biology

In a first order chemical reaction, the velocity of the reaction is proportional to the ________, while in a zero order reaction, the velocity of the reaction is proportional to the ________.

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#Question id: 581

#Section 2: General Biology

The main difference between chemical and enzyme kinetics is that

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