Concept explainers
(a)
Interpretation: The validation about the presence of one or more galactose unit(s) in cellobiose has to be predicted.
Concept introduction: Cellobiose is a disaccharide that has two units of D-glucose. The glycosidic linkage present is
(b)
Interpretation: The validation about the presence of one or more galactose unit(s) in fructose has to be predicted.
Concept introduction: Fructose is a monosaccharide that has a chain of six carbon atoms and
(c)
Interpretation: The validation about the presence of one or more galactose unit(s) in raffinose has to be predicted.
Concept introduction: Raffinose is an oligosaccharide which has one unit of
(d)
Interpretation: The validation about the presence of one or more galactose unit(s) in maltose has to be predicted.
Concept introduction: Maltose is a disaccharide made up of two units of D-glucose. The structure of maltose has no units of galactose.
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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
- Which of the following names best describes the molecule? A. Pentose B. α-glucose C. β-fructose D. L-sugar E. ketosearrow_forwardWhich of the following sugars do not have asymmetric centers? A. Fructose B. Glyceraldehyde C. Sedoheptulose D. Dihydroxyacetone E. Glucuronic acidarrow_forwardDescribe the structural similarities and differences of the following pairs. Identify which of these is a structural isomer, and how to identify structural isomers. a. Glucose and Mannose b. Galactose and Fructose c. Ribulose and Xylulose d. ribose and glucosearrow_forward
- Define the following terms: a. sugar b. glucose c. monosaccharide d. polysaccharide e. cellulosearrow_forwardMonosaccharides includes all the following, except a. Glucose O b. Fructose c. Galactose O d. Lactosearrow_forwardWhich stereoisomer of the monosaccharide threose is shown below? a. D b. L c. R d. Sarrow_forward
- Consider the trisaccharide below and answer the following questions: но. OH OH H. OH HO Но ОН ÓH H ÓH ОН C Name of monosaccharide A (Follow this format in typing your answer: ribose): Name the glycosidic linkage between monosaccharides A and B. (strictly follow this format, do not put spaces in between: beta-1,2): Is the trisaccharide a reducing sugar? Type Yes or No: I- I-arrow_forwardDifferentiate the following: a. Essential and non-essential amino acids b. Single and conjugated proteins c. Primary, secondary, tertiary and quaternary structures of protein d. Monosaccharide, disaccharide and polysaccharide e. Aldose and ketose f . Epimers and anomers g. Fats and oils h. Saturated and unsaturated fatty acidsarrow_forwardIndicate whether each of the following statements about the structural characteristics of monosaccharides is true or false. a. Both an aldehyde group and a ketone group are always present. b. An aldehyde group and at least two hydroxyl groups must be present.arrow_forward
- Which of the following is/are (a) ketose? A. tagatose B. lyxose C. erythrulose D. allosearrow_forwardWhich of the following is/are (a) ketopentose? A. threose B. xylulose C. arabinose D. mannosearrow_forwardSugars are technically called carbohydrates, referring to the fact that their formulae are only multiple of C(H₂O). Pentoses therefore have five carbons, ten hydrogens and five oxygen atoms. Ribose is a pentose. Choose from among the following another pentose. A. Fructose B. Ribulose C. Galactose D. Erythrose Monomers are bonded together by which of the following processes? A. Hydrolysis B. Non-hydration lysis C. Ionic Bonding D. Dehydration Synthesisarrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College