<prompt> Which one of the following factors released by heating a suspension of sheep erythrocytes is required for the growth of Haemophilus Influenzae in chocolate agar?HeminNicotinamide adenine dinucleotide NADHemoglobinHemolysin  <response>: Ans. B. NAD.a. Members of Hemophilus require for one or more of the accessory factors: X V in bloodb. Factor X is heme whereas factor V is NADNADP.c. The V factor NAD is trapped in the RBCs in blood agar. Hence, on blood agar, Hemophilus influenzae shows poor growth.d. By heating blood agar, V factor is released into the medium. 