Akademik
composition
In
chemistry
, the kinds and numbers of atoms constituting a
molecule
. [L. compono, to arrange]
-
base
c.
the proportions of the four bases (
adenine
,
cytosine
,
guanine
, and
thymine
or
uracil
)
present
in DNA or RNA; usually expressed as the percentage (
mol
%) of G plus C.
-
modeling
c.
SYN:
modeling
plastic.
Medical dictionary
.
2011
.