Which of the following is arranged from least to most in terms of number of sugar units ? verbascose< raffinose < stachyose< cellobiose cellobiose
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Which of the following is arranged from least to most in terms of number of sugar units ?
- verbascose< raffinose < stachyose< cellobiose
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cellobiose<raffinose<stachyose<verbascose
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raffinose<stachyose<verbascose<cellobiose
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raffinose<cellobiose<stachyose<verbascose
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- 3. Below are abbreviated Haworth projections of 4 sugars. Label the sugars as a or B. Which sugars are anomers of one another? Are these sugars furanoses or pyranoses? Are they hemiacetals or full acetals? What is the difference between hemiacetals and full acetals? ОН A نت ОН 5 -O ОН √3 2 1 OH OH 6 В OH ОН ОН 3 2 ОН ОН 4 6 с OH OH ОН НО 32 1 OH OH D OH ОН НО 3 OH 1Indole alkaloids are derived from tryptophan uc Select one: O True of O False on Strawberry is propagated via air layering Select one: O True of O False In a glycoside the non-sugar moiety is called a Glycone Select one: O True O FalseWhich disaccharides do not have reducing ends? sucrose and maltose sucrose and trehalose trehalose and isomaltose isomaltose and maltose sucrose and cellobiose
- Which of the structures above is a component of sucrose and predominantly forms a furanose ring structure? A. H C I H-C-OH НО-С-Н I Н-С-ОН I H-C-OH I CH2OH A В D B. H =O но-с-н I но-с-н I н-с-он Н-С-ОН I CH₂OH CH2OH I c=0 I но-с-н I H— C -ОН H— C-OH CH₂OH D. COOH H-C-OH НО-С-Н I но-с-н I н-с-он CH₂OHWhich of the following statements is correct regarding the structures below? CHO CHO H-OH ОН н ОН НО H НО -Н н- ОН CH₂OH CAB All are structures of D-sugars. All are structures of ketohexoses. Only CAR is a monosaccharide. 0 Only CAP is a L-sugar. Н I H CHO -ОН H-OH H-OH н- -ОН CH₂OH CAR H-OH -ОН НО-Н то н- H-OH CH₂OH CAP CH2OH to HO-H НО-н Н 1 - он CH₂OH CAT13. Observe the diagrams below. Which sugar(s) is(are) epimers of xylose? Specify the carbon that is involved. HICIOH HIC-OH HIC-OH CH₂OH D-Ribose Figure 7-3 part 2 2013 of chemistry Seth Edition Five carbons HO-C-H D-Aldoses H- -OH H -C-OH -OH CH₂OH CH₂OH D-Arabinose D-Xylose H-C-OH HO-C-H H-C-OH H-C-OH 0 H-C-OH HOICIH CH₂OH D-Glucose H но- C-H HO -H H -C-OH CH₂OH D-Lyxose 14. Observe the structures below and determine: H HIC-OH CHO HOH HO-C-H HO-C-H OH- a. Which is an epimer of glucose: galactose or fructose? b. Which is a ketose of glucose? H-C-OH CH₂OH D-Galactose H н——он HOH CH₂OH D-glucose CHO он———н H- он——н он——н CH₂OH L-glucose CH₂OH C=0 HO-C-H H - C_OH -OH H-C-OH CH₂OH D-Fructose
- The following four chemicals commonly found in defined growth media contain all of the necessary atomic macronutrients, namely C, O, N, H, S and P, which microbes require: glucose (C6H12O6), K2HPO4, MgSO4.7H2O, and (NH4)HPO4. Part a. Create a simple diagram to map which growth media chemical contributes atoms to which of the four biological macromolecules (amino acids, polysaccharides, lipids, and ribonucleic acids). Part b. Consider a cell culture broth that originally (before inoculation with cells) contains 5.0 gr/L glucose (C6H12O6), 1.2 gr/L K2HPO4, 0.3 gr/L MgSO4∙7H2O, and 1.0 gr/L (NH4)HPO4. Create a table showing how much of each of the different atoms (C, H, O, K, P, Mg, S, N) are available for incorporation into cell macromolecules (assume 50% of the glucose is catabolized, while the remainder goes for energy (respiration). Express your answers with units of grams of atomic species / liter of culture broth.Which of the structures above is a component of sucrose and predominantly forms a furanose ring structure? А. C C н C H-C-ОН но-с-н НО-С-н НО-С-Н =0 н-с-он H-C-OH CH2OH A В С D В. Н Previous Page =0 H- 4- с-он H— C -ОН CH₂OH Next Page CH2OH c=0 НО-С-н H— C -ОН Н— C -ОН CH2OH D. COOH I Н-С-ОН НО-С-Н но-с-н H— С-ОН CH₂OH Page 4 of 102What of the following is correct regarding the deoxy sugar shown below? CH3 HO НО ОН It is a D-sugar O It is an L-sugar O It is the alpha anomer It is the beta anomer
