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?
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What is Mathematical Biology?
A radioactive element x has an atomic number of 100. It decays directly into an element y which decays directly into element z. In both processes a charged particle is emitted. Which of the following statements would be true? (a) y has an atomic number of 102 (b) y has an atomic number of 101 (c) z has an atomic number of 100 (d) z has an atomic number of 101
What are oesophageal molecular markers?
An 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?
Select the correct statements (a) A simple harmonic motion is necessarily periodic (b) An oscillatory motion is necessarily periodic (c) A periodic motion is necessarily oscillatory (d) All of the above.
In Reimer-Tiemann?s reaction, the reaction intermediate is (a) Carbene (b) Dichloro carbene (c) Carbonion (d) Carbonium ion.
How to compare two DNA sequences?
What is the largest DNA sequence comparison achieved on PatternHunter?
What are the main signals used for gene finding in prokaryotic genomes? How are these signals introduced into the search algorithms?
What is chimera check ?
How do you customise database for blast?
If you had 1,500 base pair pieces of random DNA and you have to know how many of them had homology to known genes, what would you do to determine that?