The "Ticking" of a Clock Cell Within the SCN Appears

question 124

Multiple Choice

The "ticking" of a clock cell within the SCN appears to involve

• A) feedback loops of intracellular protein production.
• B) the rhythmic opening of sodium channels in the membrane.
• C) interactions between two adjacent clock cells.
• D) the rhythmic opening of calcium channels in the membrane.
• E) the buildup of sodium in the clock cell over time.

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