Questions 11-13- refer to the carbohydrate mannose (open chain and one anomericring configuration of the structure shown below)HOHOHHCHOHHOHOHCH₂OHOHHOHfHOHO-HHOHH11. Draw the open-chain structure of mannose following oxidation of the carbohydrateto an aldonic acid12. Draw the open-chain structure of mannose following oxidation of the carbohydrateto an aldaric acid using NO313. Draw the structure of mannitol

Carbohydrates are polyhydroxy aldehydes or ketones. They can be classified as monosaccharides,…

Answered: Questions 11-13- refer to the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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2-89 The following is a block diagram for a sphingoglycolipid where the building blocks are labeled with letters and the linkages between building blocks are labeled with numbers. A 1 2 B C a. Which building blocks are fatty acid residues? b. Which building blocks are carbohydrate residues? c. Which linkages are amide linkages? d. Which linkages could involve a monosaccharide?
2-79 The following is a block diagram for a sphingophosph lipid where the building blocks are labeled with letters and the linkages between building blocks are labeled with numbers. A 1 2 B 3 a. Which building blocks are fatty acid residues? b. Which building blocks are phosphate residues? c. Which linkages are amide linkages? d. Which linkages involve a sphingosine residue?
I lea the - Oligopeptide 2 a. Give the three-letter and one-letter names of the amino acids in each oligopeptide starting from the amino terminal to the carboxyl terminal. Make sure that the amino acid names are arranged in CORRECT order for both oligopeptides. I b. After complete hydrolysis, which oligopeptide will yield more ATP molecules? How many NADH and FADH2 molecules will be theoretically produced? Show all relevant computations for each oligopeptide. Tabulate your answers to keep your answers organized. ( Oligopeptide Net ATP molecules Net NADH produced Net FADH2 produced produced Oligopeptide 1 Oligopeptide 2
QUESTION 03 - Regarding the amino acid arginine, answer the following questions: (Data: pka a) NH₂ HN ΝΗ (-COOH) =2,17;pka Arginina (-NH3) NH₂ =9,04;pka OH Explain using resonance structures why, when the arginine side chain isprotonated nitrogen, from the guanidino group, which a double bond is the one that accepts the proton. = 12.48) Discuss why the form in which arginine was written would not be found in solution, considering opH=physiological (7,3).
8/30 Next Pick the correct SAR modification: IV. Chain elongation by extra one carbon will increase the activity L Replacement of COOH by tetrazole ring decreases the activity. OH II. Isosteric replacement of N with CH, will decrease the actrvity IIL Removal of Cl will decrease the activity O Type here to search 3r4 617 S DEF GYH1 直

11:71 Choose the correct answer(s) * An enantiomer is a special type of isomer in which the pair of structures is mirror images of one another All of the above During mastication, salivary-amylase acts briefly on dietary starch and glycogen, hydrolyzing random alpha (4>1) bonds. Humans do not make the beta (1 4)- endoglucosidases that are necessary to digest cellulose The reaction shown:
P3D.2 In biological cells, the energy released by the oxidation of foods is stored in adenosine triphosphate (ATP or ATP“).The essence of ATP's action is its ability to lose its terminal phosphate group by hydrolysis and to form adenosine diphosphate (ADP or ADP): ATP* (aq) + H,O() → ADP* (aq) + HPO (aq) + H,O*(aq) At pH = 7.0 and 37°C (310K, blood temperature) the enthalpy and Gibbs energy of hydrolysis are A,H =-20kJ mol and A,G=-31 kJ mol", respectively. Under these conditions, the hydrolysis of 1 mol ATP“(aq) results in the extraction of up to 31kJ of energy that can be used to do non- expansion work, such as the synthesis of proteins from amino acids, muscular contraction, and the activation of neuronal circuits in our brains. (a) Calculate and account for the sign of the entropy of hydrolysis of ATP at pH = 7.0 and 310K. (b) Suppose that the radius of a typical biological cell is 10µm and that inside it 1x 10ʻ ATP molecules are hydrolysed each second. What is the power density of…
Question 9 Choose the CORRECT statement. O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of glycine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of valine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of arginine O A polypeptide chain may have abrupt changes in direction and restriction in geometry because of the presence of proline
aming System (Academic) on 15 What is the correct way to write the scientific name for humans? red Select one: d out of O a. Homo sapiens O b. Homo Sapiens question O c. Homo sapiens O d. none of the answers are correct O e. homo sapiens n 16 Upon the cleavage (breakdown) of two different macromolecule, 4 individual monosaccharide molecules are produced, 2 with ketone functionality, and 2 with aldehyde functionality. ed Based on this data, what is the identity of the two unknowns? out of Select one: question O a. Sucrose, sucrose O b. Lactose, lactose O c. Maltose, maltose O d. Lactose, sucrose O e. Lactose, maltose
Cells in the human liver contain glycogen, a polysaccharide that is used as a source of energy. This is a model of a typical glycogen granule: 42 22 AWARD Edit View Insert Format Tools Table be *** www 27544 Hals De w Jay MASCH Abh P CON p bo H S ******** 124 3. P WH ** patink The G k page flees P ******* 44651 CAPE Porn Tele de to MATE www 74 H Supe This type of granule may contain up to 30,000 (3 x 104) glucose subunits, making up the glycogen chains. A. How many ATP's could theoretically be produced when a granule of glycogen is hydrolyzed to glucose subunits that then enter glycolysis and respiration? B. Glycogen metabolism is regulated by insulin and glucagon. Both of these hormones are produced by the pancreas and act as signals that interact with a transmembrane receptor on target cells. Intracellular events involve protein kinase A that activates or inactivates enzymes involved in glycogen synthesis or degradation. Briefly describe what protein kinase A does to these proteins.
pQLSeysIVg8-5-v0riWm3uEQ4RUA3Hdua_NDMQI25SST619X-KVA/viewform What makes alanine a nonpolar, neutral amino acid? O The presence of a chiral carbon O The hydrocarbon group attached O The zwitterion cannot be formed due to nonpolarity O The acid and base groups neutralizes the side chains What is NOT true about hemoglobin? It is a fibrous protein that helps oxygen combine with carbon It has an iron atom inside the structure It contains four polypeptide units O It transports oxygen to the different cells in the body
CHO HO -H- но H- Consider the structure of tallose and answer the questions that follow. но OH CH,OH aldose 1. What type of monosaccharide is tallose? 2. What is the configuration of tallose? D-sugar 4 3. How many chiral carbons does tallose have? 16 4. What is the maximum number of stereoisomers can tallose have?

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