Chapter 4 Eukaryotic Microorganisms
Chapter 4 Eukaryotic Microorganisms
Chapter outline 4.1 Eukaryotic cell structure 4.2 Fungal growth and reproduction 4.3 Major group and properties of fungi 4.4 Yeasts 4.5 Slime molds 4.6 Protozoa 4.7 Algae
Chapter outline 4.1 Eukaryotic cell structure 4.2 Fungal growth and reproduction 4.3 Major group and properties of fungi 4.4 Yeasts 4.5 Slime molds 4.6 Protozoa 4.7 Algae
Concepts Eukaryotes,genetic material is distributed between cells by the highly organized complex processes called mitosis and meiosis. Eukaryotic cells differ most obviously from prokaryotic cells in having a variety of membranous organells in the cytoplasmic matrix and the majority of their genetic material within membrane-delimited nuclei. Eukaryotes are heterotrophic microorganisms
Concepts • Eukaryotes, genetic material is distributed between cells by the highly organized , complex processes called mitosis and meiosis. • Eukaryotic cells differ most obviously from prokaryotic cells in having a variety of membranous organells in the cytoplasmic matrix and the majority of their genetic material within membrane-delimited nuclei. • Eukaryotes are heterotrophic microorganisms
4.1 Eukaryotic cell structure Cytoplasmic membrane Ribosomes Cytoplasm Mitochondrion Nuclear membrane Nucleus Nucleolus Endoplasmic reticulum Chloroplast
4.1 Eukaryotic cell structure Cytoplasmic membrane Ribosomes Cytoplasm Mitochondrion Nuclear membrane Nucleus Nucleolus Endoplasmic reticulum Chloroplast
The eukaryotic cell is more complex.All eukaryotes contain a membrane-enclosed nucleus.The eukaryotic cell can be enclosed by a cell wall or cell walls may be absent Organelles are universal among eukaryotic cells while chloroplasts are found only in photosynthetic cells
The eukaryotic cell is more complex. All eukaryotes contain a membrane-enclosed nucleus. The eukaryotic cell can be enclosed by a cell wall or cell walls may be absent . Organelles are universal among eukaryotic cells while chloroplasts are found only in photosynthetic cells
Eukaryotic Microorganisms Molds Mushrooms Fungi Yeasts Algae Protozoa
Molds Mushrooms Fungi Yeasts Algae Protozoa Eukaryotic Microorganisms
Major differences among fungi,algae and protozoans FUNGI ALGAE PROTOZOANS Kingdom Fungi Protista and Plantee Protista Nutritional type Chemoheterotroph Photoautotroph Chemoheterotroph Multicellular All,except yeasts Some None Cellular Unicellular, Unicellular, Unicellular arrangement filamentous, colonial, fleshy(such as filamentous, mushrooms) tissues Food acquisition Absorptive Absorptive Absorptive cytostome Characteristic Sexual and Pigments Motility;some feature asexual spores form cysts Embryo None Some None
Major differences among fungi, algae and protozoans FUNGI ALGAE PROTOZOANS Kingdom Fungi Protista and Plantee Protista Nutritional type Chemoheterotroph Photoautotroph Chemoheterotroph Multicellular All, except yeasts Some None Cellular arrangement Unicellular, filamentous, fleshy(such as mushrooms) Unicellular, colonial, filamentous, tissues Unicellular Food acquisition Absorptive Absorptive Absorptive cytostome Characteristic feature Sexual and asexual spores Pigments Motility; some form cysts Embryo None Some None
Fungi are heterotrophic eukaryotic microorga- nisms.They are nonphotosynthetic and typically form reproductive spores. Algae are phototrophic eukaryotes that contain photosynthetic pigments within a structure called the chloroplast Protozoa are animallike protists exhibiting heterotrophic nutrition and they can be def- ined as usually motile eukaryotic unicellular microorganisms
Protozoa are animallike protists exhibiting heterotrophic nutrition and they can be defined as usually motile eukaryotic unicellular microorganisms. Fungi are heterotrophic eukaryotic microorganisms. They are nonphotosynthetic and typically form reproductive spores. Algae are phototrophic eukaryotes that contain photosynthetic pigments within a structure called the chloroplast
4.2 Fungal growth and reproduction Fungi contain cell walls and produce spores, most described species form a relatively tight phylogenetic cluster. Three major groups of fungi are recognized: the molds the yeasts the mushrooms
Fungi contain cell walls and produce spores, most described species form a relatively tight phylogenetic cluster. the molds the yeasts the mushrooms 4.2 Fungal growth and reproduction Three major groups of fungi are recognized:
Molds The molds are filamentous fungi.They are widespread in nature.Each filament grows mainly at the tip,by extension of the terminal cell A single filament is called a hypha (plural,hyphae) Hyphae usually grow together across a surface and form compact tufts,collectively called a mycelium, which can be seen easily without a microscope
The molds are filamentous fungi. They are widespread in nature. Each filament grows mainly at the tip, by extension of the terminal cell . Molds A single filament is called a hypha (plural, hyphae). Hyphae usually grow together across a surface and form compact tufts, collectively called a mycelium, which can be seen easily without a microscope