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.

Question

Quizplus · Accepted Answer

The "ticking" of a clock cell within the Suprachiasmatic Nucleus (SCN) primarily involves feedback loops of intracellular protein production, where certain proteins accumulate within the cell and then inhibit their own production, creating a cycle that roughly aligns with a 24-hour day.

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