Bacteria May Be Stored for Several Months

Multiple Choice

Bacteria may be stored for several months

A) on a slant in the refrigerator, frozen in agar AND in broth at 37°C.
B) in broth at 37°C, on a slant in the refrigerator AND frozen in glycerol solution.
C) on a slant in the refrigerator, frozen in glycerol solution, AND freeze-dried.
D) freeze-dried, in broth at 37°C AND frozen in agar.
E) freeze-dried, frozen in glycerol solution AND in broth at 37°C.