Hypothetically,if Electron Pools Existed in Sufficient Numbers for Enzymes to Use

question 28

Multiple Choice

Hypothetically,if electron pools existed in sufficient numbers for enzymes to use in metabolic reactions,

• A) a higher diversity of cytochromes would likely be observed.
• B) cytochromes would be unnecessary for cells and quinones would be more important.
• C) Q-cycle reactions would no longer be necessary for electron transport, but the proton motive force would otherwise be unchanged.
• D) most metabolic pathways for both anabolism and catabolism would have to be rewritten.

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Definitions:

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body.

Central Nervous System

The major part of the nervous system consisting of the brain and spinal cord, which integrates and processes nervous information.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem down to the lumbar region of the vertebral column.

Prefrontal Cortex

The front part of the frontal lobes of the brain, involved in complex behaviors such as decision making, planning, and moderating social behavior.