biological membrane‚ the phospholipids are arranged with the fatty acid chains facing the interior of the membrane. As a result‚ the interior of the membrane is: a. hydrophobic. b. hydrophilic. c. charged. d. polar. e. filled with water. 16. The monomers that make up polymeric carbohydrates like starch are called: a. nucleotides. b. trisaccharides. c. monosaccharides. d. nucleosides. e. fatty
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Lab #4 May 26‚ 2015 Diels Alder Reaction Introduction: Diels Alder Reaction is the reaction of a diene with a species capable of reacting with the diene‚ the dienophile. A diene is a hydrocarbon that contains two carbon double bonds‚ while a dienophile is an electron-deficient alkene. The Diels-Alder is also called a [4+2] cycloaddition because a ring is formed by the interaction of four pi electrons of the alkene with two pi electrons of the alkene or alkyne. The product of the Diels-Alder
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Bhatia 1 Ravnit Kaur-‐Bhatia Biochemistry 444 Term Paper Dr. Cristina Clement Date: December 16th‚ 2012 My Protein Data Bank (PDB) entry code is 1TW4 and this structure was determined by crystallography. The primary paper describing this paper is: Title: Crystal structure of chicken liver basic
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tank is fed to esterification reactor by screw pump. The esterification reaction is carried out under pressure and at high temperature of 265 deg C . Mole ratio of 1:1.19 is maintain in the reactor. Theoretical mole ratio requirement is 1: 1.01 Monomer is the product of esterification reaction. Water is evolved in the esterification process as byproduct The water is distilled off by distillation column and send to ETP for further treatment Esterification reaction dose not required catalyst. We
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ups Identifying food groups in unknown solutions Aim The aim of this experiment is to identify different food groups within several different unknown solutions. This will be carried out by placing the unknown solutions into separate test tubes and using different chemical indicators to see if any reactions occur. Each food group will act different when the chemical indicator is added‚ some will change colour while others will separate. Introduction Food is a vital source of energy that is
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breakdown digestion is done by hydrolysis by hydrolase Carbohydrases – Carbohydrates Lipases – Lipids Protease – Proteins * Carbohydrates – monosaccharide’s Individual molecule – monomer Repeating molecules – polymer Single monomer – monosaccharide Pair of monomers – disaccharide Large no. of monomers – polysaccharide Monosaccharides – General formula (CH2O)n Best known monosaccharide – C6H12O6 H O H HO
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Practical Report Name: Loh Khin Keong Admin No.: 1237078 Group number: A Date: 11/5/12 Class: DMLS/1A01 Experiment 1A: Determination of Mechanical Properties of Selected Materials (CDIO) 1. Synopsis The objective of this CDIO experiment was to determine the mechanical property of polymeric materials which was the tensile properties .The testing standard to adopt for the tensile testing was ASTM D638. Four different types of polymers were placed into the tensile testing machine. The different specimens
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BIO Chapter 2 Study Guide 1-Know the difference between an atom‚ an element and a compound. -Atom-The basic unit of a chemical element. -Element-A unique molecule that makes up all matter and cannot be broken down any further. -Compound- Two or more elements together 2-Understand and be able to apply the concept of the Atomic number and the Atomic mass of an element. -Atomic Number- The number of protons an element has. -Atomic Mass-The number of Protons + Neutrons. *the number of neutrons
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purification.5 With available noncanonical nucleobases to pick from‚ and evidence of depsipeptides that could be formed in prebiotically plausible ways‚ David Fialho and Nicholas Hud designed CyAspAmide (ψD). This prebiotically plausible proto-nucleic acid monomer (Figure 1)‚ is the amide formed between a cyanuric acid-functionalized hydroxy acid called 2-OH-CyCo4 (abbreviated as ψ) and the amino acid L-aspartic acid (abbreviated as D). Despite no obvious prebiotic route to this compound‚ it features certain
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Summer Assignment – AP Biology – Chapters 2-5 Chapter 2 1. CHNOPS are the six most crucial elements in most macromolecules. Name them. Carbon‚ Hydrogen‚ Nitrogen‚ Oxygen‚ Phosphorous‚ Sulfur. 2. Create a chart and state how many bonds each of the CHNOPS elements can form. Carbon | Hydrogen | Nitrogen | Oxygen | Phosphorous | Sulfur | 4 | 1 | 3 | 2 | 3 or 5 | 2 | 3. Create a Venn Diagram to compare and contrast polar covalent bonds‚ nonpolar covalent bonds‚ and ionic bonds.
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