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In Biology, protoplasm is the living substance inside the cell. At the simplest level, it is divisible into cytoplasm and nucleoplasm. It is also sometimes termed bioplasm, (Beale: meaning the essential substance of living matter within a cell) and is distinct from non-living cell components lumped under "ergastic substances". Ergastic substances can occur in the protoplasm. In many plant cells most of the volume of the cell is not occupied by protoplasm, but by "tonoplast": a large water filled vacuole enclosed by a membrane.
The idea that protoplasm is divisible into a ground substance called "cytoplasm" and a structural body called the Cell nucleus reflects most of the more primitive knowledge of cell structure that preceded the development of powerful micrographs of organic and inorganic substances, when it seemed that cytoplasm was mysteriously directed by the nucleus and controlled by the cell membrane. Today, it is known that the cytoplasm is structurally very complex, and that protoplasm is living because of the complexity of the "cytoplasmic organelles" and their careful separation and orchestration of multiple chemical processes.
Protoplasm exists in three forms: in the solid state, the liquid state and sometimes in a combined solid and liquid state.
Whether the protoplasm is in either of the three forms depends upon the physiological state of the cell.
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Do clusters of Gloeocapsa represent multicellular organisms?
No, the cells are not obligate dependents-they can operate independently; the protoplasms of thecells are not connected; the aggregation of cells can be broken into individual cells without killingthe cells.
What is organismal theory?
In plants, the organismal theory refers to the idea that during plant growth/evolution the original cell expanded into the whole organism. This is opposed to the cell theory that states that a cell multiplies into many cells with the original cell being equivalent to many. In this theory, the original cell is equivalent to the entire organism, with protoplasm just being subdivided and partitioned by cell walls (which are actually incomplete partitions because the protoplasms of adjacent cells are connected by plasmodesmata).
Do clusters of Gloeocapsa represent multicellular organisms?
No, the cells are not obligate dependents-they can operate independently; the protoplasms of thecells are not connected; the aggregation of cells can be broken into individual cells without killingthe cells.
Do animals have limbs?
No, not every animal has a backbone. Only animals that belong to the phylum Chordata have backbones, while insects and mollusks do not.
What is a 10 letter word ending with s and fourth letter is t and seventh letter is a?
birthplaces, bottomlands, butterballs, buttonballs, cantillates, certioraris, contestants, continuants, contrabands, cottontails, deutoplasms, dextranases, distillates, earthquakes, fortepianos, gastrulates, hectographs, hinterlands, littermates, lusterwares, martingales, masturbates, montagnards, multigrains, multitracks, pantographs, pasteboards, photographs, photophases, pictographs, protectants, proteinases, protestants, prothoraces, prothoraxes, protoplasms, protoplasts, restaurants, skateboards, statecrafts, statoblasts, switchbacks, switchyards, synthetases, tattersalls, tattletales, turtlebacks, vertebrates, whitebeards, youthquakes50 words
Meaning of Biological Spectrum?
The components of the biological spectrum are Protoplasms, Cells, Tissues, Organs, Organ Systems, Organism, Population, Community, Ecosystem, Biosphere. (PCTOOOPCEB)
What is organismal theory?
In plants, the organismal theory refers to the idea that during plant growth/evolution the original cell expanded into the whole organism. This is opposed to the cell theory that states that a cell multiplies into many cells with the original cell being equivalent to many. In this theory, the original cell is equivalent to the entire organism, with protoplasm just being subdivided and partitioned by cell walls (which are actually incomplete partitions because the protoplasms of adjacent cells are connected by plasmodesmata).
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