Biochemistry
8th Edition
ISBN: 9781285429106
Author: Campbell, Mary K., FARRELL, Shawn O.
Publisher: Cengage Learning,
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Chapter 16, Problem 32RE
REFLECT AND APPLY Pectin, which occurs in plant cell walls, exists in nature as a
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Chapter 16 Solutions
Biochemistry
Ch. 16 - RECALL Define the following terms: polysaccharide,...Ch. 16 - RECALL Name which, if any, of the following are...Ch. 16 - RECALL Name which, if any, of the following groups...Ch. 16 - RECALL What is the difference between an...Ch. 16 - RECALL How many possible epimers of D-glucose...Ch. 16 - RECALL Why are furanoses and pyranoses the most...Ch. 16 - RECALL How many chiral centers are there in the...Ch. 16 - REFLECT AND APPLY Following are Fischer...Ch. 16 - REFLECT AND APPLY The sugar alcohol often used in...Ch. 16 - REFLECT AND APPLY Consider the structures of...
Ch. 16 - REFLECT AND APPLY Two sugars are epimers of each...Ch. 16 - REFLECT AND APPLY How does the cyclization of...Ch. 16 - REFLECT AND APPLY Convert the following Haworth...Ch. 16 - REFLECT AND APPLY Convert each of the following...Ch. 16 - REFLECT AND APPLY Starting with a Fischer...Ch. 16 - REFLECT AND APPLY Starting with the open-chain...Ch. 16 - RECALL What is unusual about the structure of...Ch. 16 - RECALL What is the chemical difference between a...Ch. 16 - RECALL Define the term reducing sugar.Ch. 16 - BIOCHEMICAL CONNECTIONS What are the structural...Ch. 16 - RECALL Name two differences between sucrose and...Ch. 16 - REFLECT AND APPLY Draw a Haworth projection for...Ch. 16 - BIOCHEMICAL CONNECTIONS What is the metabolic...Ch. 16 - REFLECT AND APPLY Draw Haworth projection formulas...Ch. 16 - BIOCHEMICAL CONNECTIONS A friend asks you why some...Ch. 16 - RECALL What are some of the main differences...Ch. 16 - RECALL How does chitin differ from cellulose in...Ch. 16 - RECALL How does glycogen differ from starch in...Ch. 16 - RECALL What is the main structural difference...Ch. 16 - RECALL What is the main structural difference...Ch. 16 - RECALL How do the cell walls of bacteria differ...Ch. 16 - REFLECT AND APPLY Pectin, which occurs in plant...Ch. 16 - REFLECT AND APPLY Advertisements for a food...Ch. 16 - REFLECT AND APPLY Explain how the minor structural...Ch. 16 - REFLECT AND APPLY All naturally occurring...Ch. 16 - REFLECT AND APPLY An amylose chain is 5000 glucose...Ch. 16 - REFLECT AND APPLY Suppose that a polymer of...Ch. 16 - REFLECT AND APPLY Glycogen is highly branched....Ch. 16 - REFLECT AND APPLY No animal can digest cellulose....Ch. 16 - REFLECT AND APPLY How does the presence of -bonds...Ch. 16 - REFLECT AND APPLY How do the sites of cleavage of...Ch. 16 - BIOCHEMICAL CONNECTIONS What is the benefit of...Ch. 16 - REFLECT AND APPLY How would you expect the active...Ch. 16 - REFLECT AND APPLY Would you expect cross-linking...Ch. 16 - REFLECT AND APPLY Compare the information in the...Ch. 16 - REFLECT AND APPLY Why is it advantageous that...Ch. 16 - REFLECT AND APPLY Why is the polysaccharide chitin...Ch. 16 - REFLECT AND APPLY Could bacterial cell walls...Ch. 16 - REFLECT AND APPLY Some athletes eat diets high in...Ch. 16 - Prob. 50RECh. 16 - REFLECT AND APPLY Blood samples for research or...Ch. 16 - REFLECT AND APPLY Based on what you know about...Ch. 16 - RECALL What are glycoproteins? What are some of...Ch. 16 - BIOCHEMICAL CONNECTIONS Briefly indicate the role...
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- 1. Write the transamination reaction for alanine. Indicate what happens next to each of the molecules in the reaction, and under what conditions it happens. 2.arrow_forwardCH3 17. Which one of the compounds below is the HNO3 H2 1. NaNO2, HCI Br₂ 1. LiAlH4 major organic product H2SO4 Ni 2. CuCN, KCN FeBr3 2. H₂O, H+ obtained from the following series of reactions? CH3 toluene CH3 CH3 Br Br Br CH3 CH3 && Br Br NH₂ A NH₂ NH₂ B C NH₂ ΝΗΣ D Earrow_forward13. Which one of the compounds below is the major organic product obtained from the following series of reactions? A + H2C=CH-CO Me heat (CH3)2NH 1. LiAlH4 2. H₂O ? 1,3-butadiene OH 'N' B C 14. Which one of the compounds below is the major organic product obtained from the following series of reactions? 'N' D 'N' E 1. XS CH3I 'N' 2. Ag₂O 3. H₂O, A A B с D E Narrow_forward
- A NH2 NH2 B C H₂N. NH₂ D 5. The five compounds above all have molecular weights close to 75 g/mol. Which one has the highest boiling point? 6. The five compounds above all have molecular weights close to 75 g/mol. Which one has the lowest boiling point? E NH₂arrow_forward7. A solution of aniline in diethyl ether is added to a separatory funnel. Which ONE of the following aqueous solutions will remove aniline from the ether layer (and transfer it to the aqueous layer) if it is added to the separatory funnel and the funnel is shaken? A) aqueous NH3 B) aqueous Na2CO3 C) aqueous HCl D) aqueous NaOH E) aqueous CH3COONa (sodium acetate)arrow_forward11. Which of the following choices is the best reagent to use to perform the following conversion? A) 1. LiAlH4 2. H₂O B) HCI, H₂O D) NaOH, H₂O E) Na№3 ? 'N' 'N' C) 1. CH3MgBr 2. HCI, H₂Oarrow_forward
- NH2 ΝΗΣ NH₂ NH2 NH2 A OCH3 NO₂ B C D E 1. Which one of the five compounds above is the strongest base? 2. Which one of the five compounds above is the second-strongest base? (That is, which one is next-to-strongest base?) 3. Which one of the five compounds above is the weakest base? 4. Which one of the five compounds above is the second-weakest base? (That is, which one is next-to-weakest base?) NO2arrow_forwardDraw a diagram to demonstrate 3' to 5' exonuclease activity?arrow_forward1. Write the piece of mRNA that would code for the amino acid sequence NH3 - met - tyr - cys- his- CO2. Label the 5' and 3' ends. (diagram attached) 2.arrow_forward
- You were tasked with purifying an untagged transcription factor (molecular weight 65,000Da, isoelectric point unknown) from a contaminant Protein A (molecular weight 50,000 Da, isoelectric point 5.0). You were also instructed to use the protein for crystallization studies after purification.i) In the initial purification step, which type of chromatography should you attempt? Explain your choice and specify the requirements of the buffer solution you should use. ii) Analyzing the proteins recovered from step i) using SDS-PAGE, you still observed a faint band of Protein A in addition to the transcription factor band. Given the limited time available for further purification, you must choose ONE appropriate chromatography method to maximize the chances of separating the two proteins as well as your crystallization studies. Provide a detailed explanation of your selection and the techniques/strategies you would employ to achieve this.arrow_forwardYou were given a mixture of two proteins with different isoelectric points and molecular weights:• Protein X: pI 4.2, MW 42,000• Protein Y: pI 9.8, MW 90,000Using a Tris-glycine discontinuous native gel (pH8.3) electrophoresis system with a running gel of 12%, only a single band was observed upon protein staining after electrophoresis. Explain the observed result and discuss possible factors affecting protein migration in this system.arrow_forwardThe standard cost of Product B manufactured by Oriole Company includes 3.5 units of direct materials at $5.40 per unit. During June, 27,300 units of direct materials are purchased at a cost of $5.15 per unit, and 27,300 units of direct materials are used to produce 7,600 units of Product B. (a) Compute the total materials variance and the price and quantity variances. Total materials variance Materials price variance Materials quantity variance $ (b) Compute the total materials variance and the price and quantity variances, assuming the purchase price is $6.35 and the quantity purchased and used is 26,300 units. Total materials variance Materials price variance Materials quantity variance $arrow_forward
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