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.

---

Definitions:

Negative Instance

An item that belongs to a given class and does not possess the trait attributed to the class by a given generalization.

Inductive Generalization

A reasoning process that involves making broad generalizations based on specific observations.

General Principle

A broad and foundational rule or belief that guides actions and understanding in various situations.

Particular Cases

Specific instances or examples from a broader category used to illustrate a point or phenomenon.