of Sustainable Development in Agriculture and Environment‚ 2006) (K tubers‚ Jew ’s mellow leaves and Fenugreek seeds (Food Technology Department‚ Kafr El-Shiekh Faculty of Agriculture‚ Tanta University‚ Egypt‚ 2003) (R (Irvingia gabonensis) polysaccharides (Department of Food Technology‚ University of Ibadan‚ Ibadan‚ Nigeria‚ 2000) (U temperature on the ascorbic acid‚ colour‚ sliminess and other constituents of okra fruit (Department of Food Science & Technology‚ University of Agriculture‚ 1998)
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as sources of energy‚ as building materials‚ and as cell surface markers for cell-to-cell identification and communication * Carbon‚ hydrogen and oxygen in a 1:2:1 ratio (CH20) * Monosaccharides (simple sugars)‚ oligosaccharides‚ and polysaccharides * Monosaccharides can be distinguished by the carbonyl group they possess- aldehyde or ketone- and the number of atoms in their carbon backbone * Glyceraldehyde: 3 carbons (triose) with aldehyde group (R- CHO) * Ribose: 5 carbons
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mayonnaise is the lipid. The turkey is of course considered the protein. Although the body takes in these three different forms one way‚ the way the body breaks it down is in three ways. First is the break-down of the carbohydrates(bread). The polysaccharide form of this is too big for the body to simply break down directly. So‚ instead the body uses multiple forms of procedures to break down the molecule into a usable size‚ such as glucose. The body begins breaking it down with salivary amylase.
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PURISIMA‚ Dio Mark Angelo Date Submitted: 02/08/2013 Experiment No. 9 AGAROSE GEL ELECTROPHORESIS OF DNA Abstract _____________________________________________________________________________ Agarose is a polymeric cross-linked polysaccharide extracted from the seaweed agar. Agarose is used widely in gel electrophoresis because it gels at a lower temperature‚ does not contain the inhibitors of virus growth frequently present in agar‚ and has more uniform pore size than that of agar
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The liver is the largest organ in the entire‚ normal human body. It weighs anywhere from 2.5 to 3.3 pounds. With its large size it is also a very resilient organ. Up to 3/4 of its cells can be removed before is ceases to function. It is red-brown organ roughly shaped like a cone. The liver is located in the upper right abdominal cavity immediately beneath the diaphragm. Without the liver‚ we could not survive. It serves as the body’s chemical factory and it regulates the levels of most of the main
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outward against the cell wall and producing rigidity in the plant. Without sufficient water‚ turgor pressure drops and the plant wilts. Cell Wall (plant cells only): Plant cells have a rigid‚ protective cell wall made up of polysaccharides. In higher plant cells‚ that polysaccharide is usually cellulose. The cell wall provides and maintains the shape of these cells and serves as a protective barrier. Fluid collects in the plant cell vacuole and pushes out against the cell wall. This turgor pressure is
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human cell and a human body to function. Carbohydrates include sugars and starches‚ contain carbon‚ hydrogen‚ and oxygen which appears in a ratio of 1:2:1. Carbohydrates are classified according to size as monosaccharides‚ disaccharides‚ and polysaccharides. The primary function of carbohydrates is to serve as sources of energy. Carbohydrates are some of the most numerous molecules in living organisms. They play a major role
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BIOLOGY 22 MODULE 1 – Chemical Basis of Life v2.0 * Levels of Organization – biological functions are ultimately based on the properties of atoms and molecules * Subatomic particles – neutrons‚ electrons‚ protons * Atoms * Compounds * Complexes of compounds * Organelles – bodies within cells that perform specific functions * Cell * Specific combination of organelles * Can metabolize and reproduce * Least elaborate living structure * Significance
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Unit 1 – Introduction to the Cell Robert Hooke – built the first microscope (30x magnification); viewed slices of cork called cellula (little rooms). Antoni Van Leeuwenhoek - worked with glass huge improvement in quality of lenses nearly 300x magnification became possible first to observe: * single-celled organisms “animalcules” * protists from pond water * bacteria from his mouth – “father of microbiology” * blood cells * banded pattern in muscle cells * sperm from
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the cytoplasm. 4. Where is the bacterial DNA located? The bacterial DNA is located in the nucleoid. 5. What determines the shape of a bacterium and what is it made of? The cell wall determines the shape of the bacterium and is made of polysaccharides and protein. 6. What are the 3 basic shapes of bacteria? The three shapes of bacteria include spherical(coccus)‚ rod-shaped(bacillus)‚ and spiral(spirillum). 7. Describe the plasma membrane of a bacterium. The plasma membrane is a lipid
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