Using your reflexes can prevent you from getting hurt in the first place.
Prophase is the first step in mitosis and many changes occur. Chromatin fibers become coiled into chromosomes, with each chromosome having 2 chromatids joined at a centromere. The mitosis spindle, composed of microtubules and proteins, form in the cytoplasm.
The answer is An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving.
Between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.