WebFeb 26, 2024 · Last Updated: February 26, 2024. Protists have a nucleus because they are eukaryotic organisms. Usually, protist cells contain a single nucleus (they are mononucleate). However, many protists are multinucleated, meaning they contain many … They have abundant cilia and use them in a coordinated manner to move. … Bacteria have higher concentration of molecules such as proteins within … Plants, protists, fungi, and animals all have eukaryotic cells. Plant cells are … Although ER sheets and tubules appear to have distinct functions, there isn’t a … Some organisms only have a single copy of the DNA. These are known as diploid … The largest algae, however, exist as multicellular organisms. These algae, … Community Definition. A biotic community, also known as a biota or ’biocoenosis’, … The GI tract begins to form early during the development of the human body, in the … Plants have evolved many responses to this, such as photorespiration, the C 4 … Mitochondria are thought to have evolved from free-living bacteria that developed … A protist is any eukaryotic organism (that is, an organism whose cells contain a cell nucleus) that is not an animal, plant, or fungus. While it is likely that protists share a common ancestor (the last eukaryotic common ancestor), the exclusion of other eukaryotes means that protists do not form a natural group, or clade. Therefore, some protists may be more closely related to animals, plants, or fungi than th…
Protist - Reproduction and life cycles Britannica
WebWhat structures or features do all protists have in common ? most protists are motile, they move either by cilia, flagella or pseudopodia ... a. unicellular heterotroph with two types of nuclei b. flagella arise from grooves in cellulose plates c. nonmotile parasite with penetrating apical region WebAlthough Pelomyxa may have hundreds of nuclei, it has lost its mitochondria, but replaced them with bacterial endosymbionts. The secondary loss or modification of mitochondria is a feature also seen in … fishing the river tawe
What are Microbes? - University of Utah
WebAug 19, 2024 · Plasmodial slime molds (classified as Myxogastria or Myxomycetes, Figure 5.2.1. 1 (b)) form a large, multinucleate amoeba with no cell wall that will eventually wall off individual nuclei to form spores. Figure 5.2.1. 1: (a) Dictyostelium discoideum is a cellular slime mold can be grown on agar in a Petri dish. WebSome protists are composed of enormous, multinucleate, single cells that look like amorphous blobs of slime, or in other cases, like ferns. In some species of protists, the nuclei are different sizes and have distinct roles in protist cell function. Single protist cells range in size from less than a micrometer to three meters in length to ... WebProtists have a nucleus because the taxonomic kingdom Protista refers to only those single-celled microorganisms who can neither be classified as belonging to the plant, animal, nor fungi kingdoms... fishing the river mole