Which of the following can grow in absence of CO2 or carbon sources?(a) Autotrophs(b) Mixotrophs(c) Chemoautotrophs(d) Facultative autotrophsThis question was addressed to me during an interview for a job.This is a very interesting question from Cell Nutrients in portion An Overview of Biological Basics & Enzymes of Bioprocess Engineering

Which of the following can grow in absence of CO2 or carbon sources?(a

1.	Which of the following can grow in absence of CO2 or carbon sources?(a) Autotrophs(b) Mixotrophs(c) Chemoautotrophs(d) Facultative autotrophsThis question was addressed to me during an interview for a job.This is a very interesting question from Cell Nutrients in portion An Overview of Biological Basics & Enzymes of Bioprocess Engineering
Answer» CORRECT answer is (d) Facultative AUTOTROPHS Best explanation: Facultative autotrophs NORMALLY grow under autotrophic conditions; however, they can grow under heterotrophic conditions in the absence of CO2 and INORGANIC energy sources.

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