Which of the following sentences best descrives the difference between a global alignment and a local alignment between two sequences? a) global alignment is usually used for dna, while local alignment is usually used for protein sequences. b) global alignmnet has gaps, while local alignments does not have gapsc) global alignment finds the global max, while the local alignment finds the local max. d) global alignment aligns the whole sequence, while local alignment finds the best sub-sequence that aligns