Cytoskeleton
A network of microtubules, microfilaments, and intermediate filaments that branch
throughout the cytoplasm and serve a variety of mechanical and transport functions.
Cytosol
The semifluid portion of the cytoplasm.
Cytotoxic T cell (TC)
A type of lymphocyte that kills infected cells and cancer cells.
"concentric rings"
Having a common center “ concentric rings”
D
Dalton
The atomic mass unit; a measure of mass for atoms and subatomic particles.
Darwinian fitness
A measure of the relative contribution of an individual to the gene pool of the next
generation.
Daughter cell
A cell that is the offspring of a cell that has undergone mitosis or meiosis. The term
"daughter" does not indicate the sex of the cell.
Day-neutral plant
A plant whose flowering is not affected by photoperiod.
Deciduous
Refers to plants that shed their leaves at a certain season.
Decomposers
Saprotrophic fungi and bacteria that absorb nutrients from nonliving organic material such
as corpses, fallen plant material, and the wastes of living organisms, and convert them into
inorganic forms.