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Unlike the static nature typically depicted in textbooks, the plant cell nucleus is a highly dynamic structure, constantly moving around cells via actin networks and myosins. [1] The nucleus undergoes a characteristic program during cell division to guide asymmetric cell division, [2] but there are several stimuli that have been demonstrated to ...
The resulting mixture is known as soft soap [broken anchor], which serves as a precursor for hard soap production. After adding sodium chloride (a process known as salting out), the soap nucleus rises and separates. The water-soluble glycerin and unwanted fat residues remain in the solution (see also soap [broken anchor]).
Five species are currently classified in the genus. [1] All except the Wavy-leafed Soap Plant, Chlorogalum pomeridianum, have rather restricted distributions, with little overlap. The Wavy-leafed Soap Plant, however, has a range that virtually encompasses those of all other members of the genus, and is the most common of them.
Like all the soap plants, Chlorogalum pomeridianum is a perennial that grows from a bulb, which is brown, between 7 and 15 cm in diameter, slightly elongated, and covered in thick, coarse fibers. The leaves grow from the base of the plant, and can be from 20 to 70 cm long and 6 to 25 mm wide. [ 1 ]
[3] [4] Studies of the genomic organization and of the molecular phylogeny have shown that the nucleomorph of the cryptomonads used to be the nucleus of a red alga, whereas the nucleomorph of the chlorarchniophytes was the nucleus of a green alga. In both groups of organisms the plastids originate from engulfed photoautotrophic eukaryotes.
Spirogyra (common names include water silk, mermaid's tresses, and blanket weed) is a genus of filamentous charophyte green algae of the order Zygnematales, named for the helical or spiral arrangement of the chloroplasts that is characteristic of the genus.
Meganucleases are found in a large number of organisms – Archaea or archaebacteria, bacteria, phages, fungi, yeast, algae and some plants. They can be expressed in different compartments of the cell – the nucleus, mitochondria or chloroplasts. Several hundred of these enzymes have been identified.
Fused protoplast (left) with chloroplasts (from a leaf cell) and coloured vacuole (from a petal) Somatic fusion, also called protoplast fusion, is a type of genetic modification in plants by which two distinct species of plants are fused together to form a new hybrid plant with the characteristics of both, a somatic hybrid. [1]