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

question 65

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 uses up TCA intermediates for anabolic pathways.
• C) Reverse TCA regenerates succinyl-CoA, which may enter gluconeogenesis.
• D) A large amount of ATP is generated.
• E) All reactions take place in a carboxysome.

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Definitions:

Consignment

A business arrangement where goods are left in the possession of another party to sell, but ownership remains with the supplier until sold.

F.O.B. Destination

Seller pays or is responsible for the cost of freight to purchaser’s location or destination.

FIFO Method

First-In, First-Out method, an inventory valuation method where the first items purchased are the first ones sold, used in calculating cost of goods sold.

Ending Inventory

The value of goods available for sale at the end of an accounting period, calculated as beginning inventory plus purchases minus cost of goods sold.