Which of the following is a disadvantage of an in vitro experiment?
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a. results can be misleading.
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b. a living cell is a complex chemical mixture.
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c. observations are easy to make.
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d. an enzyme is never affected by other cellular components.

Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe