|
cytoplasm
|
inherited
genetic material in a cell not specified by its own nucleus. |
| mitochondrion |
any
of the very tiny rodlike or stringlike structures that occur in
nearly all cells of plants and animals, and that process food for
energy. |
| nucleolus |
a
small spherical body in the nucleus of a cell, consisting of protein
and RNA. |
| nucleus
|
in biology, the part of a cell that controls growth and reproduction.
|
| organ
|
in
a plant or animal, a specialized structure that performs a particular
function, such as the heart. |
| tissue
|
the
mass of like cells in an animal or plant body, esp. as they form
a specific organ. |
| vacuole |
a membranous enclosure within a cell that contains substances isolated
from the protoplasm, such as dissolved acids. |
| cell
membrane |
the
semipermeable membrane that encloses the contents of a cell; plasma
membrane. |
| cell
wall |
the
rigid outermost layer of a plant cell, which is made of cellulose.
|
| chlorophyll
|
the
green pigment in the leaves and stems of plants that is necessary
for the production of plant food by photosynthesis. |
| chloroplast |
a
small oval green bit of protoplasm that contains chlorophyll and
is the location of photosynthesis. |
| chromosome |
one
of the tiny, threadlike, DNA-containing bodies found in the cell
nuclei of all plants and animals, responsible for transmitting hereditary
characteristics. |
