Algae’s general information AlgaeAn Overview 2. In algae the shape, size and form are variable in different members. Some commonly known algae like Chlamydomonas, Volvox, and Spirogyra are members of Chlorophycophyta.Chlamydomonas is considered a typical green alga found in soils and freshwater … Get ideas for your own presentations. Learn new and interesting things. Most have sporic meiosis, where meiosis produces spores … The cytoplasmic membrane is the site of biochemical functions normally associated with the well-defined membranous organelles in eukaryotic cells. Algae 1. Algae – General Characteristics “The life of the planet began the long, slow process of modulating and regulating the physical conditions of the planet. Cell Structure of Algae. In addition, some algae are siphonaceous, meaning the many nuclei are not separated by cell walls. General characteristics of algae 1. Their size ranges from microscopic to over 50 meters in length. Share yours for free! ... Eukaryotic cell Eukaryotic cell has the structure as in typical cell of higher plants. They are Thallophytes which have chlorophyll as their primary photosynthetic pigment and lack a sterile covering of cells around the reproductive cells. Algae are photosynthetic plants that vary in size and shape. Characteristics• Range in size from microscopic to single celled organisms to large seaweed• Autotrophic• Form the reproductive structures – gametangia or gamete chambers• Aquatic and have flagella at some point in life• Often contain pyrenoids, organelles that synthesis and store starch Algae don’t have vascular tissues- non vascular plants. The cell which is the basic unit of an organism is the center of all activities. View Structure Of Algae PPTs online, safely and virus-free! Describe the general life cycle of BROWN ALGAE. Based on the structural variations there are present different phyla or divisions of algae. Variations in cell structure- unicellular, colonial, and multicellular. Like bacteria the cell membrane invaginates to form a structure called the meso-some where the respiratory enzymes are loca­lized. Just like in higher plants, the cells of Chlorophycophyta have a cell wall, a well-defined nucleus and chloroplast.The majority of the members contain one chloroplast per cell. Algae range in size from microscopic organisms, such as plankton that drift passively near the surfaces of oceans and freshwater bodies, to macroscopic seaweeds several meters long. The contents of this documents are Dichotomous Key to Freshwater Algae, Groups of Cyanobacteria & Algae, Dinoflagellates, Euglenoids, Brown, Golden brown, and Yellow brown Algae … Algae lack the roots, stems, leaves, and other structures typical of true plants. Algae - Algae - Form and function of algae: Algal cells are eukaryotic and contain three types of double-membrane-bound organelles: the nucleus, the chloroplast, and the mitochondrion. The oxygen in today’s atmosphere is almost entirely the result of photosynthetic living, which had its start with the appearance of blue-green algae … Many are downloadable. The structural body of algae, either unicellular or multicellular, is called the thallus. 3. Concepts of Botany Algae (PDF 21P) This note contains explanation of algae, structure of alage and its classification. 7 Amal Alghamd- Dr. Esmat 4/7/2014 There are two different patterns of algal cells, Prokaryotic (Blue green algae) Eukaryotic (Rest of algae) Keshav Narayan Pai Msc I Department of Botany 2. The cells of blue green algae lack mitochon­dria. In this article, we will learn about the Cellular Structure of Algae with diagrams. Its dominant stage is the multicellular diploid stage. Variations in pigments. In most algal cells there is only a single nucleus, although some cells are multinucleate. All activities shape, size and form are variable in different members of plants. 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