Research indicates that the health of all multicellular organisms, including humans, depends on not only the ability of the organism to produce new cells but also whether individual cells are able to self-destruct when they become superfluous or disordered.
A. including humans, depends
on not only the ability of the organism to produce new cells but also
whether individual cells
are ableB. including humans, not only depends
on the organism's ability to produce new cells but also
(on) the
ability of individual cells
C. including humans, depends not only
on the organism's ability to produce new cells but also
on the ability of individual cells
D. which includes humans, depends on not only the
organism's ability to produce new cells but also
depending on the ability of individual cells
E. which includes humans, not only depends on
whether the organism is able to produce new cells but also
on the ability of individual cells