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The following table contains statements pertaining to Hfr, F+, F', and/or F- strains of bacteria. Indicate in respective boxes if the statements apply to each category by putting Hfr, F+, F', F- beside the statement.

a) Contains genes that regulate conjugation and the transfer of DNA from one cell to another
b) Always acts as the recipient in conjugation
c) F factor is integrated into the host chromosome
d) Cannot form a pilus
e) F factor is in the plasmid form carrying a segment of chromosomal DNA

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