Regarding CO₂ Fixation Mechanisms in the Autotrophic Green Sulfur Bacteria

question 16

Multiple Choice

Regarding CO₂ fixation mechanisms in the autotrophic green sulfur bacteria,

• A) Chlorobium uses the reverse citric acid cycle, and Chloroflexus uses the hydroxypropionate pathway.
• B) Chlorobium uses the hydroxypropionate pathway, and Chloroflexus uses the reverse citric acid cycle.
• C) both Chlorobium and Chloroflexus use the reverse citric acid cycle.
• D) both Chlorobium and Chloroflexus use the hydroxypropionate pathway.

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Definitions:

Epidemiological

Pertaining to the study of the distribution and determinants of health-related states or events in specific populations, and the application of this study to control health problems.

Single-subject Experiment

A research design in which the subject serves as their own control, allowing researchers to observe effects before, during, and after the manipulation of an independent variable.

Eligible Participants

Individuals or groups who meet specific criteria set by researchers or program administrators to take part in a study or project.

Epidemiological Study

A study that measures the incidence and prevalence of a disorder in a given population.