Figure 7.1 a Suspension of 106 Bacillus Cereus Endospores Was

Multiple Choice

Figure 7.1
A suspension of 106 Bacillus cereus endospores was put in a hot-air oven at 170°C. Plate counts were used to determine the number of endospores surviving at the time intervals shown.
-In Figure 7.1, the thermal death point for this culture is

A) 15 minutes.
B) 30 minutes.
C) 50°C.
D) 170°C.
E) The answer cannot be determined based on the information provided