True or False: Encapsulated bacterial cells generally have greater pathogenicity. Most protozoa have a motile, feeding stage known as a(n) _____ which, in some protozoa, alternates with a resting state known as a(n) _____. false The primary medical threat from algae is skin infections contracted when swimming in algae … fungi with incompletely septate hyphae that commonly have fleshy fruiting bodies, these fungi have hyphae with porous septa, the hyphae of these fungi are usually nonseptate but if they are septate, the septa are complete, fungi are only detrimental to the food industry. Proteins are transported from the ER to the Golgi apparatus. these short, bristle-like projections are used to attach the cell to other cells or surfaces, these long, tubular appendages allow cells to conjugate to other cells, these long, coiled threads provide movement to spirochetes, this type of flagella can be found at either or both ends of a cell. Please choose the statement that is incorrect about fungi to test your understanding of their importance in ecology, agriculture, commerce, and medicine. Bacterial endospores are highly resistant to heat, drying, and radiation. Algae can be multicellular or unicellular. to group the algae based on genetic comparisons. In the Plankton Unicellular Algae are found enormously. Relevance. Composed of RNA and protein, this structure synthesizes new proteins. The structure which contains the nonessential DNA of the cell. The cell ____ is found in fungi and algae to provide structure and support while the cell ____ is found in all eukaryotic cells, is composed of phospholipids, proteins and sterols, and separates the internal cell components from the external environment. Nuclear organization this loosely attached, thin mucoid layer protects the cell from drying out or losing nutrients, this layer of polysaccharides and/or proteins is tightly bound to the cell and contributes to the cell's pathogenicity. Choose the answer that fills in the blanks of this sentence in the correct order. an organism that lives in extremely hot temperatures such as the hot springs of Yellowstone National Park, an organism that lives in anaerobic environments and converts CO2 and H into methane, an organism that lives in very cold conditions, including temperature below freezing. Which of the following is incorrect about protozoan pathogens? Please match the description to the term that it most accurately describes to test your understanding of the structure and functions of locomotor appendages and the types of cells that possess them. Please select all of the following which are found in all cells regardless of cell type. True or False: When the bacterial glycocalyx is easily removed, it is called a capsule. How old was queen elizabeth 2 when she became queen? Please select all of the following that represent the functions of fungal spores. Please match the eukaryotic microbe with the description of its body plan. Please select characteristics exhibited by protozoa to test your understanding of protozoan form, nutrition, and locomotion. Two prokaryotes developed a symbiotic relationship where the smaller prokaryote lived within the larger prokaryote. Other than maintaining the shape of the cell, what is the primary function of the cell wall, and which component contributes most to this function? Oh no! The pigments in algae can be chlorophylls, carotenoids and biloproteins. Answer Save. Several characteristics are used to classify algae, including the nature of the chlorophyll(s), the cell wall chemistry, and flagellation. When all the flagella on a cell rotate in a counterclockwise fashion, the cell is propelled forward in a movement known as a ____, but when the flagella reverse direction, the cell stops and changes course in an action known as a ____. Cell wall composition 6. cells which contain a thick layer of peptidoglycan and teichoic acids. Which of the following conditions need to be suitable for bacteria to grow? This organelle is formed of stacks of thylakoids called grana which are responsible for photosynthesis. Many of them are in the Protista kingdom primarily because scientists don't know where else to put them. Primarily the characteristic which is used to classify the algae isPIGMENTATION. Please match the type of extremophile with the description of its preferred environment to test your understanding of archaeal adaptations. Algae Definition Please order the following choices to test your understanding of the stages involved in the synthesis, packaging, and export of proteins. This structure is a network of protein polymers that helps stabilize the shape of the cell from within. Which of the following diseases is NOT caused by a spore-forming bacterium? Choose the answer that fills in the blanks of this sentence in the correct order. Read on to explore more about the types and characteristics of algae in the algae notes provided below. Chlorophyceae (Green algae) General characterstics of Chlorophyceae. ESS2.E: Biogeology: Living things affect the physical characteristics of their regions. Agar, carrageenan, and alginate are some important extracts prepared from these autotrophic organisms. Please select all of the following which are characteristics of the nucleus to test your understanding of the structure of the nucleus. If the Gram's iodine step was skipped in this technique, what would likely be seen under the microscope? Scientists have developed a classification scheme that categorizes all members of the animal kingdom, although there are exceptions to most “rules” governing animal classification (Figure 1). Such adaptations to their metabolic pathways allow archaea to live in extreme environments, such as areas with high levels of salt ( ____________ ) or high temperatures ( ____________ ). (Points : 4) (1)Eukaryotic, photosynthetic, always sexual reproduction (2)Eukaryotic, photosynthetic, always asexual reproduction (3)Eukaryotic, photosynthetic, can have sexual or asexual reproduction or both (4)Eukaryotic, photosynthetic, only clone (5)Eukaryotic, cell wall, only clone proteins dispersed throughout a phospholipid bilayer. Please select the primary characteristics which are used to classify fungi. It is the largest class of algae; They are commonly known as green Algae. Please match the organelles with the statements that most accurately describe their structure and function. Animals are primarily classified according to morphological and developmental characteristics, such as a body plan. Which of the following explains why archaeons are extremophiles? Characteristics of Protists. These organisms are not necessarily closely related. The distinguishing characteristic used to classify the algae into four kingdoms is. 1 decade ago. which of the following is true of biofilms. The production of which substance leads to thickening of the biofilm over time? The Major Classification and Characteristics of Protozoa. Ø The classification of algae by Fritsch is primarily based of the pigmentation in algae. Green algae are food for sea animals and humans. Please match the cell types with the statements that most accurately describe them to test your understanding of prokaryotic cells, eukaryotic cells, and viruses. This arrangement is formed when a coccus divides on perpendicular planes and results in four cocci being attached as a cluster of cells. Examination of a newly discovered fungus reveals a number of haploid sexual spores formed on the outside of a club-shaped cell. True or False: The thinner peptidoglycan layer of gram-positive bacteria allows the crystal-violet-iodine complex to leave the cell. Agar is mainly used as a preservative in canned meat and fish, and as a gelling agent in food. these tests use the presence or absence of biochemical processes and enzymes to group organisms, use antibody reactions to identify an organism or to determine relatedness, use DNA to determine the identity of an organism. F.E. Does pumpkin pie need to be refrigerated? fungi can be found in two cell forms: hyphae and yeasts. Which structure or molecule could be used to definitively classify a newly discovered life form as a eukaryotic cell. primitive fungi which have flagellated spores. A brief description of some of the filamentous algae and seaweeds that have been used for feeding fish, as listed in Tables 1.1–1.3, is provided in the following subsections. This cell can immediately be classified as a/an. What is the conflict of the short story sinigang by marby villaceran? both gram positive and gram negative cells. What characteristics are primarily used to classify algae? Method of propagation 5. The major algal groups are distinguished on the basis of : 1. A) whether they are single celled or multicellular. What general type of stain is used to separate types of bacteria based on their cellular structures? Please select all of the characteristics that define life and living things. Please choose the answer that describes the function of the Golgi complex. Chlorophyceae (green algae) Phaeophyceae (brown algae) Rhodophyceae (red algae). The wide variety algae makes them hard to classify. an organism that lives in an environment that contains high amounts of salt such as the Dead Sea. Which of the following correctly describe the color of different cells after using the Gram staining technique? T Asexual occurs when 2 halves create a new half that fits inside the old one. What was the Standard and Poors 500 index on December 31 2007? 1. For example, both archaea and eukaryotes share unique ____________ RNA sequences and their ribosomal subunit structures are similar as well. Of the microscopic fungi, ____ are filamentous fungi made of long thread-like cells called hyphae while _____ are round or oval-shaped. When did organ music become associated with baseball? Cyanobacteria may be unicellular or filamentous. Pigmentation and Photosynthetic apparatus 2. Their body contains Chlorophyll and photosynthetic pigments which help to perform Photosynthesis. cells which contain both an inner and outer membrane as well as a thin layer of peptidoglyan, cells which contain a thick layer of mycolic acid or cord factor, cells which lack a cell wall with peptidoglycan but contain sterols to strengthen their cell membrane, gram-negative—pink/red; gram-positive—purple. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. The nature of the reserve polymer synthesized as a result … some regions of the ER are covered in ribosomes, In electron micrographs, portions of the endoplasmic reticulum (ER) appear rough on the edges. One of the most important algae varieties used as food by humans in Japan is Porphyra (red algae), more commonly called “nori”. Flagella characteristics 4. 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