Aloe vera extracts may be useful in the treatment of wound and burn healing‚ minor skin infections‚ Sebaceous cyst‚ diabetes‚ and elevated blood lipids in humans. These positive effects are thought to be due to the presence of compounds such as polysaccharides‚ mannans‚ anthraquinones‚ and lectins. Peppermint Peppermint (Mentha × piperita‚ also known as M. balsamea Willd.) is a hybrid mint‚ a cross between the watermint (Mentha aquatica) and spearmint (Mentha spicata). It is found wild occasionally
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Summary for Quiz Monday‚ May 30‚ 2005 12:13 AM Title Identification of Some Macromolecules Gist of Experiment • Use different tests to check for the existence of macromolecules in various substances o Iodine test checks for starch and/or glycogen o Benedict’s test checks for reducing sugars o Biuret test checks for protein Notes on Underlying Theory Introduction • The most abundant elements in living material are: o Carbon
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Chapter 1. Microbiology – Diversity of Organisms Microorganisms- too small to be seen with the unaided eye “germ”- rapidly growing cell Microbes in our lives Pathogenic- disease causing Decompose organic waste Producers in ecosystem (photosynthesis) Produce industrial chemicals such as ethanol and acetone Produce fermented foods ( vinegar‚ cheese‚ bread) Produce products used in manufacturing (cellulose) and treatment (insulin) Designer Jeans: Made by Microbes? Stone washing- Tricoderma
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carbohydrates‚ lipids‚ proteins‚ and we shall estimate the concentration of Vitamin C‚ an organic compound‚ in a solution‚ by the iodometric technique. • Carbohydrates include simple sugars‚ disaccharides and polysaccharides. They are the most important source of energy for most organisms. Polysaccharides change color in the presence of iodine solution: Glycogen gives a red-brown color and starch a dark blue–violet color. While simple sugars‚ having an aldehyde group‚ or a ketone group act as reducing agents
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drinking of Aloe Vera juice from unadulterated Aloe Vera gel can enhance the inside consistency. The Aloe Vera juice has common and detoxifying capacities‚ so it prompts a sentiment prosperity in your digestion tracts after standard admission. The polysaccharides in the Aloe Vera plant healingly affect numerous stomach related disarranges. The Internet is a pure treasure chamber of information and reports that Aloe Vera helps against Curative Syndrome‚ Gastric ulcers‚ Crohn’s sickness and other stomach
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of substances need transporter protein and E Endocytosis Phagocytosis: Pseudopods extend & engulf particles Pinocytosis: Membrane folds inward bringing in fluid & dissolved substances Inclusions Metachromatic granules (volutin)‚ phosphate Polysaccharide granules Lipid inclusions Sulfur granules Carboxysomes: ribulose 1‚5-diphosphate carboxylase for CO2 fixation Gas vacuoles: protein covered cylinder Magnetosomes: Iron oxide kills H2O2 Nuclear Area: no nucleus has nucleoid Ribosomes
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TEST | REAGENTS | PROCEDURE | RATIONALE/PRINCIPLE | POSITIVE REACTION | PHENYLHYDRAZINE | phenylhydrazine | | The aldehyde groups of simple carbohydrates will react with phenylhydrazine but instead of yielding typical phenylhydrazones they make what is termed osazones where the OH group immediately adjacent to the keto group is oxidized to a keto group and it too adds phenylhydrazine to form the yellow to pale orange osazones that have definite melting points. So assignment of presumptive identity
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Module 03 Quiz Review Sheet Be sure to read and review the Powerpoints for Chapters 1-3 and 5 for the Quiz! Module 1 - Foundations of Microbiology and Lab Safety – Chapters 1 & 2: Know the various classes of microorganisms and unique features and characteristics of each: Bacteria- one of the two domains of prokaryotes; all medically important prokaryotes are in the domain Bacteria. bacteria are single-celled or noncellular spherical or spiral or rod-shaped organisms that reproduce by fission. Protozoans-Group
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Immobilization of Enzymes And Their Applications By‚ Shudhangshu Shekhar Kundu Introduction: What an enzyme? Enzymes are protein molecules‚ which serve to accelerate the chemical reactions of living cells (often by several orders of magnitude). Without enzymes‚ most biochemical reactions would be too slow to even carry out life processes
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Chapter 1: Biology- The study of life A Hierarchy of Organization 1. Molecules 2. Organelle 3. Cell 4. Tissue 5. Organ 6. Organism Emergent Properties- Novel properties that emerge as each step up the hierarchy of biological order is taken. Reductionism- Reducing complex systems to simpler components that are more manageable to study. Cells- The lowest level of structure capable of performing all the activities of life‚ all organisms are composed of cells which are the basic units of structure
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