biology

an inflexible barrier that provides support and protects the plant cell.

organelles that occur in pairs and are important for cell division.

a double membrane organelle w/ thylakoids containing chlorophyll where photosynthesis takes place.

semifluid material inside the cell's plasma membrane

a flattened stack of tubular membranes that modifies proteins and packages them for distribution outside the cell.

a vesicle that contains digestive enzymes for the breakdown of excess or worn out cellular substances

a membrane bound organelle that makes energy available to the rest of the cell.

the site of ribosome production within the nucleus of eukaryotic cells.

control center of the cell that contains coded directions for the production of proteins and cell division.

specialized internal cell structure that carries out specific cell functions such as protein synthesis and energy transformation.

a flexible boundary that controls the movement of substances in and out of the cell.

organelle that is the site of protein synthesis.

by the nucleus; ribosomes are attached.

by the nucleus; no ribosomes

membrane bound vesicle for temp. storage of materials such as food, enzymes, and wastes.