Which of the following statements about growth factors is incorrect___________
A. Growth factors are organic or inorganic substances that cannot be synthesized by microorganisms but are necessary
B. Different microorganisms may require different growth factors
C. The same microorganism may have different requirements for growth factors under different growth conditions
D. Growth factors include amino acids, bases, and vitamins
Answer:A
Which of the following statements about growth factors is incorrect___________
A. Growth factors are organic or inorganic substances that cannot be synthesized by microorganisms but are necessary B. Different microorganisms may require different growth factors C. The same microorganism may have different requirements for growth factors under different growth conditions D. Growth factors include amino acids, bases, and vitamins