Three-Quarters of the Substantial Amount of Energy Consumed by the Brain

question 9

Multiple Choice

Three-quarters of the substantial amount of energy consumed by the brain is used to run a single molecular machine that maintains the resting potential of neurons.What is this machine called?

• A)K⁺ leak channel
• B)sodium-potassium pump
• C)acetylcholine receptor
• D)voltage-gated sodium channel

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