1.

Which of the following is not a characteristic of exact matches in regular expression?

A. There must be a strict match of sequence patterns
B. Any variations in the query sequence from the predefined patterns are not allowed
C. Provide more permissive matching by allowing more flexible matching of residues of similar biochemical properties
D. Searching a motif database using this approach results in either a match or non-match
Answer» D. Searching a motif database using this approach results in either a match or non-match


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