DNA library

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DNA library

A DNA library has been constructed by purifying chromosomal DNA from mice, cutting the DNA with the restriction enzyme Not I, and inserting the fragments into the Not I site of a plasmid vector. What information CANNOT be retrieved from this library?
(a)        Gene regulatory sequences
(b)        Intron sequences
(c)        Sequences of the telomeres (the ends of the chromosomes)
(d)       Amino acid sequences of proteins