If the sum of the roots of the equation ax2 + bx + c=0 is equal to the sum of the squares of their reciprocals then a/c, b/a, c/b are in (a) AP (b) GP (c) HP (d) None of these

1 Answers   Wipro,

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Suppose you used the NCBI Blast server to look for a match to a fruit-fly gene. Suppose further that the best alignment contained this section of an alignment: Hit from database: XXXXXXXXXXXXXXNFSTSQ user sequence: SLEAEAAPASISPSNFSSSQ What do the Xs signify?

4 Answers   Infosys,

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A certain radioactive element A, has a half life = t seconds. In (t/2) seconds the fraction of the initial quantity of the element so far decayed is nearly how much?

0 Answers  

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Bootstrap analysis evaluates evolutionary trees by sampling columns from the original alignment with replacement (multiplying or removing some of them) and computing a proportion of times that a particular branch appears in the resulting trees. What is the main idea behind this approach?

0 Answers  

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what is a qi number?

0 Answers  

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How would you value a biotech company as opposed to a consumer products company?

2 Answers   AgriGold,

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What is the secondary structure of intron ?

0 Answers  

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Can independent origins be established for two families of transport systems having no sequence or motif similarities without three-dimensional structural data?

0 Answers  

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Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)

0 Answers  

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If y=cos-1(cosx + 4sinx)/(17)1/2, then dy/dx is ?

1 Answers   Wipro,

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Ravi?s salary was reduced by 25%.Percentage increase to be effected to bring the salary to the original level is (a) 20% (b) 25% (c) 33 1/3% (d) 30%

3 Answers   Wipro,

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what is the Reaction intermediate in Reimer-Tiemann?s reaction?

1 Answers  

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