UPTU Past Question Papers B Tech 8th Semester Biology of Natural Products 2006-07

UPTU Past Question Papers

B Tech 8th Semester Biology of Natural Products 2006-07

 

Note : Attempt all questions.

All questions carry equal marks.

1 Enumerate important secondary metabolites from plant sources. Discuss the isolation and purification of one secondary metabolite.

OR

1    Discuss the microbial pathways used for production of amino acids.

 

2    What are various types of alkaloids isolated from natural sources. Discuss their important applications in industries.

OR

2    Describe the biosynthesis of antibiotics with a suitable example.

 

3    Describe sequential gene expression and its role in secondary metabolic pathways.

OR

3    What are phosphotransferases? Describe their general approach of production and purification.

 

4    Give two examples of plant based glycosides and briefly explain the major steps of biosynthetic pathway of any of them.

OR

4. What are the major groups of enzymes which actively take part in secondary metabolic pathways? Support your answer with suitable examples.

 

5. Write short notes on : (any two)

(a) Antibiotics

(b) Pharmaceutical importance of alkaloids

(c) Coordinate enzyme expression

(d) Oxidoreductase activity in metabolic pathways.

 

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