6. [pic] 5. In boreal coniferous forests‚ polypores are the most important decomposers of dead trees. Brown-rot fungi decompose only carbohydrate components of wood‚ leaving most of the lignin unaltered. White-rot fungi that decompose all major components of wood equally and eventually decay the wood completely. 7. No people live in the boreal forest of Russia 8. Perhaps the biggest
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sugar molecule which is an essential need for the bacteria to survive. Plant cell walls contain cellulose‚ pectin and hemicellulose and have two cell walls‚ a primary wall that is thin and flexible‚ and a secondary wall that is thick and contains lignin. Both the bacterial and plant cell wall are there to surround and protect them from the environment. Cytoskeleton The cytoskeleton is composed of three different types of fibers‚ microtubules‚ microfilaments and intermediate filaments. Microtubules
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Properties and applications of Materials Assignment 2 Task 1 (P1) I. Describe the structure including the atomic structure of the element copper. Copper has a symbol Cu. It is a metal with a very high thermal and electrical conductivity. Pure copper is soft and malleable when it is freshly exposed the surface has a reddish-orange colour. It has an atomic mass of 63.546 g.mol -1 and an atomic number of 29. The electrons per energy level for copper go 2‚8‚18‚1. Copper has an atomic number of 29‚ thus
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Experimental Investigation and Analysis of Mercerized and Citric Acid Surface Treated Bamboo Fiber Reinforced Composite Abstract: Mercerization or NaOH fiber surface treatment is one of the most popular surface treatment processes to make the natural fibers such as bamboo fibers compatible for use as reinforcing material in composites. But NaOH being a chemical is hazardous and polluting to the nature. This paper explores the possibility of use of naturally derived citric acid for bamboo fiber
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Indian Paint Fungus Echinodontium tinctorium NR-11 Silviculture Raoul Salas Title & Introduction The forest disease I have chosen to report on is the Indian Paint Fungus. The scientific name is Echinodontium tinctorium. The nomenclature goes as follows: Kingdom: Fungi Division: Basidiomycota Class: Agaricomycetes Order: Russulales Family: Echinodontiaceae Genus: Echinodontium Species: E. tinctorium The Indian Paint Fungus is a fungi or a mushroom as some call them. It is considered a pathogen
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hat are Plants and How did they Evolve: Plants are multicellular‚ photosynthetic organisms‚ adapted primarily for life on land. With a combination of both‚ underground and aboveground structures‚ plants have the ability to absorb water and mineral nutrients from soil while food production is also occurring through the process of photosynthesis. Scientists assume that plants where the cause of evolution‚ adapting from aquatic green algae 500 million years ago. Many essential adaptations would have
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primary cell walls of adjacent plant cells‚ lies a pectic middle lamella. There can be a secondary cell wall which would be located just to the inside of the primary wall. Both walls consist mainly of cellulose‚ but the secondary cell wall may contain lignin and other substances. The outer boundary of the protoplasm (cytoplasm and nucleus) is a sandwich-like‚ flexible plasma membrane. This membrane regulates what enters and leaves the plant cell. Plant cell organelles include: endoplasmic reticulum‚ with
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have thicker primary walls than parenchyma cell‚ though the walls are unevenly thickened. Young stems and petioles often have strands of collenchyma cells just below their epidermis. Collenchyma cells lack secondary walls‚ and the hardening agent lignin is absent in their primary walls. Therefore‚ they provide flexible support without restraining growth. At functional maturity‚ collenchyma cells are living and flexible‚ elongating with the stems and leaves they support. Grouped in strands or cylinders
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in both terrestrial and aquatic environments They have true stems‚ roots and leaves. *Characteristic of Ferns: Are vascular plants Ferns can live in drier places Ferns have a highly developed vascular system with vessels that are reinforced with lignin (a woody material) Ferns can grow tall: tree ferns can be several meters tall‚ while most mosses are limited to a few centimeters Have vascular tissue and use spores to reproduce *Vascular Tissue Plants grow very tall because vascular tissue solves
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digestive system in close to its original form. Insoluble fiber offers many benefits to intestinal health‚ including a reduction in the risk and occurrence of hemorrhoids and constipation. The scientific names for insoluble fibers include cellulose‚ lignins‚ and also some other hemicelluloses. Most of insoluble fibers come from the bran layers of cereal grains. Since dietary fiber is found only in plant products (i.e.‚ nuts‚ whole grains‚ legumes‚ fruits and vegetables)‚ these are essential to a
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