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Cell Vocabulary

Across
nonmembrane-bound organelles in the nucleus where proteins are assembled.
in eukaryotic cells, the central membrane-bound organelle that manages cellular functions and contains DNA.
organelles that contain digestive enzymes, digest excess or worn out organelles, food particles, and engulfed viruses and bacteria.
chlorophyll containing organelles, found in the cells of green plants and some protists; capture light energy and convert it to chemical energy.
clear, gelatinous fluid in the cells that is the site of numerous chemical reactions; n eukaryotic cells, it suspends the cells organelles.
membrane bound space in the cytoplasm of cells used for temporary storage of materials.
flexible boundary between the cell and its environment; allows material such as water and nutrients to enter and waste products to leave.
unicellular or multicellular organisms, such as yeast, plants, and animals, composed of eukaryotic cells, which contain a true nucleus and cell membrane-bound organelles.
unicellular organisms, such as bacteria, composed of prokaryotic cells. Prokaryotic cells lack internal membrane-bound structures.
Down
fairly ridged structure located outside of the plasma membrane of plants, fungi, most bacteria, and some protists; provides support and protection.
eukaryotic membrane-bound organelles that transform energy stored in food molecules, has a highly folded inner membrane that produces energy storing molecules.
the theory that: (1) all organism are composed of one or more cells, (2) the cell is the basic unit of structure and organization of organisms, (3) all cells come from preexisting cells.
basic unit of all organisms: all living things are composed of cells.