What is formed by the organization of atoms?

Inorganic compounds are found in $..........$.

Arrange the steps for obtaining the acid-soluble and acid-insoluble fractions in the correct sequence.
$I -$ Filtration
$II -$ Slurry (paste)
$III -$ Grinding with trichloroacetic acid
$IV -$ Taking living tissue
$V -$ Obtaining acid-soluble and acid-insoluble fractions

What do living organisms obtain from the environment to synthesize the essential components required for their bodies?

Which of the following components is found in the acid-soluble pool when observing living tissues?

Biomolecules include ......... .