Final answer:
The chemical and molecular level of structural organization involves atoms bonding to form molecules with distinct structures, essential in understanding the composition of matter.
Explanation:
The level of structural organization that includes groups of atoms coming together is called chemical and molecular level. At this level, atoms bond to form molecules with unique three-dimensional structures, serving as the basis of all matter in the universe. Macromolecules, such as DNA, are examples of important biological molecules formed at this level of organization.
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