One major class of lipids is the
other lipids, steroids are
fused rings. like
which the carbon skeleton forms_
which makes them insoluble in water.

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

What subject are you on

The answer is centrioles forming happens in animal cell mitosis but doesn't happen in plant cell mitosis.