Medium A g Na2HPO4 0.5g KNO3 0.4g MgSO4 1.2g CaCl2 4.5g NaHCO3 Medium B 10mg Lysine 5g Glucose 10mg Thiamine 1.5g Sucrose Medium C 5g Glucose 2g Peptone 1g Beef heart 3g Thiamine 1g Na2HPO4 I. Which medium (media) is (are) chemically defined? ( c ) a. A b. B
c. A and B d. A and C
e. None of these
II. Which medium is designed for an autotroph? a. A b. B c. A and B d. A and C
e. None of these
( )