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?
2010A 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?
2 5196An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux. What is the path of the electron?
1 4407If the sum of n terms of two series of A.P are in the ratio 5n+4:9n+6 .find the ratio of their 13th terms
3 33286How long will a train 100m long traveling at 72kmph take to overtake another train 200m long traveling at 54kmph?
3137Post New Bio Informatics Questions
What is the science of bioinformatics?
How will you value a biotech company as opposed to a consumer products company?
can u give me an example of a project you were involved with that illustrates your interest and skills in bringing people together?
Explain about the mass number of nuclear?
How to find coexpressed genes on NCBI GEO?
What are oesophageal molecular markers?
What are the limitations of blotting techniques?
Suppose the Blast search returned 100 hits. Of these, 17 were false positives and we knew that there were 165 sequences in the database which should have returned a hit with our sequence. How many false negatives were there, and what is the sensitivity and selectivity of Blast in this instance?
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?
How a cluster algorithm works?
Describe the aim of microarray data analysis?
What are the current challenges in the Pharmaceutical and biotechnology sectors?
How to find a sequence of dna molecule?
What two possibilities are there to describe how gene fragments may have evolved?
what is an active ? (UML)
