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Concept explainers
(a)
Interpretation: Whether the melting point will be the same or different for the compounds
Concept introduction: Glucose is a monosaccharide which has a single
(b)
Interpretation: Whether the interaction with plane-polarised light will be the same or different for the compounds
Concept introduction: Glucose is a monosaccharide which has a single aldehyde unit. Glucose exists in two different forms which are
(c)
Interpretation: Whether the solubility in an achiral solvent will be the same or different for the compounds
Concept introduction: Glucose is a monosaccharide which has a single aldehyde unit. Glucose exists in two different forms which are
(d)
Interpretation: Whether the reaction with
Concept introduction: Glucose is a monosaccharide which has a single aldehyde unit. Glucose exists in two different forms which are
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Chapter 18 Solutions
Bundle: General, Organic, and Biological Chemistry, 7th + OWLv2 Quick Prep for General Chemistry, 4 terms (24 months) Printed Access Card
- Given the following compounds, assemble the structure of the lipid constituent for the cell membrane appropriate to study the following: a. a thermophilic bacteria thriving in a hot spring b. a hepatocyte of a sea lion in the artic ocean c. a frog neurocytearrow_forwardDefine the following terms: a. lactone b. aldaric acid c. aldonic acid d. uronic acid e. epimerizationarrow_forwardLook at the structure of stearic acid as well as oleic acid and answer the following questions: a.Write which of these two is saturated fatty acid. b.Which of these two has a higher melting points. c.Which of these two will change the color of bromine water to clear. d.Name the unsaturated fatty acid using both delta and Omega nomenclature I can not separate the question, it is one question with four parts. I only need "D" answered, pleasearrow_forward
- Write an ionization of chemical structure to show the ionic dissociation reaction of aspartic acids and Valine.arrow_forwardMixtures of amino acids can be analyzed by first separating the mixture into its components through ionexchange chromatography. Amino acids placed on a cation-exchange resin containing sulfonate ( -SO3-) groups flow down the column at different rates because of two factors that influence their movement: (1) ionic attraction between the sulfonate residues on the column and positively charged functional groups on the amino acids, and (2) aggregation of nonpolar amino acid side chains with the hydrophobic backbone of the polystyrene resin. For each pair of amino acids listed, determine which will be eluted first from the cation-exchange column by a pH 7.0 buffer. (a) Aspartate and lysine (b) Arginine and methionine(c) Glutamate and valine (d) Glycine and leucine (e) Serine and alaninearrow_forwardIn an experiment to determine the degree of saturation in 0.43 g of an unknown lipid, the following results were obtained: 1) Total mmole I added to the lipid sample: 3.13 2) mmole I left after incubation (after one hour in the dark cupboard): 0.816 How many mg of I has bound to the lipid sample? Select one: a. 587 b. 2.94e5 c. 2 d. 294 e. 5.87e5arrow_forward
- Glycine hydrochloride (Cl− H3N+CH2COOH) is a diprotic acid that contains a carboxylic acid group and an ammonium group and is therefore called an amino acid. It is often used in biochemical buffers. Solve, In analogy with Figure , sketch the titration curve of this diprotic acid.arrow_forwardMixtures of amino acids can be analyzed by first separating the mixture into its components through ion‑exchange chromatography. Amino acids placed on a cation‑exchange resin containing sulfonate (−SO−3)(−SO3−) groups flow down the column at different rates because of two factors that influence their movement: (1) ionic attraction between the sulfonate residues on the column and positively charged functional groups on the amino acids, and (2) aggregation of nonpolar amino acid side chains with the hydrophobic backbone of the polystyrene resin. Note that the ionic attraction is more important than hydrophobicity for this column media. For each pair of amino acids, identify which will be eluted first from a cation‑exchange column using a pH 7.0pH 7.0 buffer.arrow_forwardHere is still another lipid-related question. a. Draw the structure of a soap molecule, derived from a myristic acid triglyceride. No sticks. You CAN bunch the CH2 groups together. b. Write the COMPLETE AND BALANCED reaction for your soap reacting with hard water containing Fe*. NO STICKS! c. Describe what you would see if you used a detergent (rather than a soap) in the presence of Fe*. The more detail you give, the more points you will earn. No reactions are needed here.arrow_forward
- What structures are found in sterol molecules Select one: a. Waxes b. Double helixes c. Molecular rings d. Proteinsarrow_forwardDraw the structure of a triacylglycerol made from two molecules of myristic acid and one molecule of linolenic acid.arrow_forwardThe molecular formula for glucose is C6H12O6. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions? Group of answer choices A. C60H120O60 B. C60H102O51 C. C60H100O50 D. C60H111O51 Use the following information to answer the following questions."The native structure of hemoglobin (HB) comprises of two α and two β subunits, each of which carries a heme group. There appear to be no previous studies that report the in-vitro folding and assembly of Hb from highly unfolded α and β globin in a 'one-pot' reaction. One difficulty that has to be overcome for studies of this kind is the tendency of Hb to aggregate during refolding. This work demonstrates that denaturation of Hb in 40% acetonitrile at pH 10.0 is reversible." (J Am Soc Mass Spectrum 2007, 18, 8-16)In sickle-cell disease, as a result of a single amino acid change, the mutant hemoglobin tetramers associate with each other and assemble into large fibers.…arrow_forward
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