Question

Which of the following statements is/are correct?
a.       Better the medium for growth for the microorganisms, more heat resistant are the cells or spores
b.      A small amount of glucose in a medium may lead to increased heat resistant of the microorganisms
c.       Mg2+ is said to increase the heat resistance of the bacterial spores
d.      Mg2+ is said to decrease the heat resistance of the bacterial spores

A a,b,c
B a,c,d
C a,b,c,d
D b,c,d
E a,b,d
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