Which of the Following Statements Regarding the Chemical Grooming of Pyruvate

question 51

Multiple Choice

Which of the following statements regarding the chemical grooming of pyruvate is false?

• A)Two molecules of pyruvate are each converted into two-carbon molecules joined to a coenzyme A molecule.
• B)Each pyruvate loses a carbon atom, which is released as CO₂.
• C)Two pyruvate molecules together contain less chemical energy than was found in the original glucose molecule.
• D)Each pyruvate molecule has a CO₂ added and then joins with an NADH.

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Definitions:

Clay

A fine-grained natural soil material containing clay minerals, used in ceramics and as a building material due to its plasticity when wet.

Sand

A granular material composed of finely divided rock and mineral particles, typically found on beaches, deserts, and riverbeds.

Sieve Elements

Specialized cells found in the phloem of vascular plants, involved in the transport of sugars and other nutrients from leaves to other parts of the plant.

Companion Cells

Specialized cells found in the phloem of plants that support the function of sieve tube elements.