removal of a water molecule to combine two or more monosaccharides (Volesky). Two bonded monosaccharides is a disaccharide. Only monosaccharides and disaccharides make up simple sugars such as glucose and lactose (American Diabetes Association). Polysaccharides‚ or many monosaccharides bonded‚ create more complex compounds like starches‚ cellulose‚ and chitin (McKinley Health
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Structural Isomers • molecules with the same molecular formula but with different arrangements of atoms • differences in the shape of isomers lead to differences in their physical & chemical properties • For example‚ galactose‚ glucose and fructose have the same molecular formula (C₆H₁₂O₆) but different structures (figure 6 page 30) • glucose itself has 3 different structural isomers in dry state‚ glucose has a linear structure‚ but when dissolved in water‚ the molecules fold on itself
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of the above Answer Key: D Question 10 of 12 4.0/ 4.0 Points Which of the following statements is FALSE about polysaccharides? A.They are long chain structures containing large number of repeating monosaccharide units. Correct B.Table sugar is a polysaccharide. C.They break down to produce monosaccharides during digestion. D.Starch‚ cellulose‚ and glycogen are polysaccharides. E.none of the above Answer Key: B Part 3 of 3 - 10.0/ 10.0 Points Question 11 of 12 5.0/ 5.0 Points What is
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Enterobacteriaceae are gram-negative bacteria that are part of our endogenous microbial population. In normal circumstances our natural flora keeps a balance between the Enterobacteriaceae and the immune response‚ however‚ when these natural flora are destroyed infections might occur since there is no balance anymore. Immunology Our immune response can target Enterobacteriaceae in several ways. Since Enterobacteriaceae are Gram-negative bacteria‚ they have LPS in their outer membrane. LPS can activate
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down to lower molecular weig ht carbohydrates by hydrolysis are monosaccharides‚ a term that indicates that they are the monomeric building units of the olig o- and polysaccharides. Monosaccharides are commonly referred to simply as sug ars. They can be joined together to form larger structures‚ namely‚ oligosaccharides and polysaccharides that can be converted into monosaccharides by hydrolysis. They vary in the number of carbon atomspresent in their structure. Table 1.1 shows the classification of
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BIO 101 – HUMAN BIOLOGY Midterm Exam I – Fall 2007 Please fill in your name and (SOLAR) ID number on your answer sheet before starting. Do not write anything under the column marked birthdate!!!!! Keep the opscan sheet that came with your test and do not use ANY other opscan form or you risk a misgrading. Answers to the multiple choice questions must be filled in on the answer sheet with a #2 pencil. There are 40 multiple choice questions. Answer sheets will be collected when time is called at 8:10
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structure? a. Primary structure b. Quaternary structure c. Secondary structure d. Tertiary structure e. none of the above 3. The number of D-amino acids that occur naturally in proteins is: a. zero. b. 20. c. 19. d. 9. e. none of the above 4. In polysaccharides‚ sugars are linked together with _______ bonds. a. phosphodiester b. peptide c. glycosidic d. hydrophobic e. emotional 5. The major bonds in glycogen are _______ glycosidic bonds. a b c d e. none of the
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Abstract Background Traditional Asian and African medicine use immature okra fruits (Abelmoschus esculentus) as mucilaginous food to combat gastritis. Its effectiveness is due to polysaccharides that inhibit the adhesion of Helicobacter pylori to stomach tissue. The present study investigates the antiadhesive effect in mechanistic detail. Methodology A standardized aqueous fresh extract (Okra FE) from immature okra fruits was used for a quantitative in vitro adhesion assay with FITC-labled
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that surround plant cells. * The carbohydrates (saccharides/sugars) are divided into four chemical groups: monosaccharide‚ disaccharides‚ oligosaccharides and polysaccharides. * Monosaccharides include Glucose‚ Fructose‚ and Galactose etc. * Disaccharides include Sucrose‚ Maltose‚ and Lactose etc. * Polysaccharides include Starch‚ Glycogen‚ Cellulose and Chitin. * Aldehydes (–CHO) and ketones (= CO) are active groups or functional groups in carbohydrates. Carbohydrates
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The genus Ocimum L. (basil) is a member of the Labiatae family which is an important economic and medicinal herb (Paton‚ Harley and Harley‚ 1999). The seeds of Ocimum basilicum are high in fiber and in some regions in Asia like Iran and India‚ basil seeds are frequently included in beverages (Sharbat) and ice desserts (Faloodeh) for aesthetic purposes as well as a source of dietary fibre (Hosseini-Parvar‚ Matia-Merino‚ Goh‚ Razavi et al.‚ 2010‚ Mäkinen and Pääkkönen‚ 1999). Basil seeds have reasonable
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