If Oxygen Is Unavailable, Predict What Happens to the Citric

question 40

Multiple Choice

If oxygen is unavailable, predict what happens to the citric acid cycle.

• A)It stops because the supplies of NAD⁺ and FAD become depleted.
• B)It stops because ADP levels increase in the absence of oxygen.
• C)It continues because none of the reactions in the citric acid cycle require oxygen.
• D)It continues because ATP levels are low, and low ATP activates enzymes of the cycle.

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Definitions:

XIO Instruction

"Examine if Open" instruction in PLC programming, used to check if a Boolean input condition is false before executing the subsequent logic.

Series Contact Instructions

Guidelines or directives related to the configuration or wiring of electrical contacts in a series circuit arrangement.

Ladder Logic

A programming language used to program programmable logic controllers (PLCs), visually resembling the schematic diagrams of relay logic hardware.