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
If y=cos-1(cosx + 4sinx)/(17)1/2, then dy/dx is ?
you had 1,500 base pair pieces of random DNA and you wanted to know how many of them had homology to known genes, what would you do to determine that?
A man speaks the truth 3 out of 4 times. He throws a die and reports it to be a 6. What is the probability of it being a 6?
What is the main idea of maximum parsimony in phylogenetic tree construction? What are the drawbacks?
What are the main differences between parsimony,distance and likelihood-based algorithms?
What is an alignment?
A catalyst (a)always slows down the reaction (b)always starts a rection that would not have ocurred at all otherwise (c)causes changes in the rate of the reaction (d)changes the quantities of the products formed.
What two possibilities are there to describe how gene fragments may have evolved?
If a match from a sequence database search is reported to have an E-value of 0.0, should it be considered highly insignificant or highly significant?
Did integral membrane transport proteins arise as an independent protein class or from other types of proteins?
What is the largest DNA sequence comparison achieved on PatternHunter?
Which of the following is not an essential condition for interference (a) The two interfering waves must be propagated in almost the same direction or the two interfering waves must intersect at a very small angle (b) The waves must have the same time period and wavelength (c) Amplitude of the two waves should be the same (d) The interfering beams of light must originate from the same source.