15.
Which of the following statements are CORRECT when a protein sequence database is searched using the BLAST algorithm?
P. A larger E-value indicates higher sequence similarity.
Q. E-value < 10-10 indicates sequence homology.
R. A higher BLAST score indicates higher sequence similarity.
S. E-value > 10-10 indicates sequence homology.

18.
Accession number is a unique identification assigned to a