Protoplast

All Sources -
Updated Media sources (1) About encyclopedia.com content Print Topic Share Topic
views updated

pro·to·plast / ˈprōtəˌplast/ • n. chiefly Bot. the protoplasm of a living plant or bacterial cell whose cell wall has been removed. DERIVATIVES: pro·to·plas·tic / ˌprōtəˈplastik/ adj.

views updated

protoplast That part of a plant cell which is actively engaged in metabolic processes (i.e. the protoplasm other than the cell wall).

views updated

protoplast (energid) The living unit of a cell, consisting of the nucleus and cytoplasm bounded by the plasma membrane. Protoplasts of bacterial and plant cells can be prepared by removing the cell wall; they are used to study the processes involved in cell metabolism and reproduction.

views updated

protoplast (energid) In animals (but not plants), the entire contents of a cell.