The opening and closing of ligan-gated ion channels
Answer:
Mass
Explanation:
The larger a star's mass, the shorter it's lifespan.
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Human reproductive cloning should not now be practiced. It is dangerous and likely to fail.
Its hard to believe it but its D.<span />
The brain's suprachiasmatic nucleus regulates the body's circadian rhythms. The suprachiasmatic nucleus is a minute region of the brain located in the hypothalamus above the optic chiasm, the circadian rhythm is the 24-hour cycle of organisms, related to sunlight and temperature.
