.  Given the following DNA sequence: GGTGTAAAGAATCTTa.      Construct a keyword treeb.     Construct

.  Given the following DNA sequence: GGTGTAAAGAATCTTa.      Construct a keyword treeb.     Construct a suffix tree2. How many different nucleotide sequences may code for the following protein sequence:           Arg-Lys-Pro-Val-Ser-Ile-Ala?3.  Given the following MSA (Multiple Sequence Alignment), describe (in pseudocode) how you would determine which positions contained informative sites :AT-ACGCCGATGCATATTACGACGATGCTTATTACGACGAAGCTTAT-ACGACGATGCAT4. Describe how gene finding algorithms work. Include a description of all the elements that they search for to help determine whether or not a sequence is a protein coding gene5. What is BLAST? Describe how the algorithm works. Be sure to include any statistical measures that are used in determining the strength of any BLAST results.