Astronomy is the study of

Astronomy is the study of celestial objects. In other words, the study of anything having to do with the things of outer space.

Explanation:

The word astronomy comes from a Greek word that means "star-arranging."

Astronomy is the study of the Universe

Explanation:

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answer; a male inherits only one allele of the x-linked gene controlling hair color;

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.