Bacterial pathogens are grown in devices using a developed to optimize the yield of the antigen while maintaining it's integrity.

growth medium

Explanation:

The pathogenic bacteria are the bacteria which causes diseases. They may include fungi, worms, protozoa, viruses, bacteria, etc.

The bacterial pathogens are made to grow with the help of a growth medium which is developed to optimize the antigen's yield and also it maintains the integrity of the pathogenic bacteria.

the correct answer is answer a. a mixture

no other options make sense

hope this

have a great day : )

  - sprinkles

clouds form

solid ice forms on leaves.

water droplets form on grass.