How Does the Reductive (Reverse) TCA Cycle Participate in Carbon

question 56

Multiple Choice

How does the reductive (reverse) TCA cycle participate in carbon fixation?

• A) Some of the TCA reactions occur in reverse, assimilating small amounts of CO₂.
• B) CO₂ assimilation replenishes TCA intermediates for anabolic pathways.
• C) Reverse TCA regenerates acetyl-CoA, which may enter gluconeogenesis via pyruvate.
• D) All of the above.
• E) None of the above.

---

Definitions:

Writing Approach

The method, style, or technique adopted by a writer to convey their message or story.

Obligations

Obligations are duties or commitments legally or ethically binding an entity to fulfill agreements or complete tasks.

Lease Agreements

Legal contracts that define the terms and conditions under which property is rented from one party to another.

Supervising Attorney

A licensed lawyer who oversees the work of subordinate attorneys, ensuring legal work meets professional standards.