36. Which of the following is true concerning the shown chemical?HO-CH2 OOH HHHQ CH ₂DHCH3A. It can undergo tautomerization to become an aldoseB. Mixture of Tollens's reagents with the shown chemical leads to the formation a silver mirror on thesides of the reaction vesselCooC. It can form a glycosidic linkage with a monosaccharideD. All of the aboveE. None of the above37. Assume that the phosphoryl group in the shown chemical is labeled with ³2P radioisotope. Theradioisotope labeled chemical is then allowed to undergo gluconeogenesis in liver cells. Which of thephosphoryl groups in fructose-1,6-bisphosphate are labeled with radioisotope? (Assume that the onlyfate of the radioisotope chemical is to undergo gluconeogenesis in the liver)c-O-℗"H₂A. The phosphoryl group in the C-1 of fructose-1,6-bisphosphate is labeled with radioisotopeB. The phosphoryl group in the C-6 of fructose-1,6-bisphosphate is labeled with radioisotopeC. Both A and BD. Neither A nor B

Tautomerization is a type of isomerization reaction in which the carbonyl group interconverts…

Answered: 36. Which of the following is true…

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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What is the glycosidic linkage present in the dissacharide? A. α-(1→1)-α B. α-(2→1)-β C. α-(2→1)-α D. β-(2→1)-α
8. The brick red color formed in a positive result of Benedict's test comes from A. the oxidation of copper ions B. the reduction of copper ion C. the reduction of carbonyl group D. the oxidation of carboxyl group E. the breakdown of glycosidic linkage 9. The following molecule is a но H Н-С—N — С H H H H-N-C -C-0-P-0-C -H H H H H A. triacylglycerol B. steroid hormone C. phospholipid D. o-6 fatty acid E. cholesterol 10. Which of the following statements about nucleic acid is INCORRECT? A. Coenzyme A is a protein, not nucleic acid B. NAD is an example of nucleic acid C. Adenine base is the same in ribonucleotide and deoxyribonucleotide D. Helix is an example of the secondary structure of nucleic acid E. Hydrogen bond can be found in DNA 11. The nucleoside consists of a D-deoxyribose and a cytosine base is called A. cytidine B. deoxycytidine C. deoxycytidylate D. deoxyribosylcytosine E. deoxyribosylcytidine
7
1. Nestle Bearbrand is a famous milk. Therefore, many people consume such milk. At the time of drinking the milk, it feels sweetness in the milk. A. What are the source compounds of such sweetness? Write down the structure formula! B. How much does the compound weigh in 1 can of milk size 189mLc. How much energy (in the form of ATP) is produced from carbohydrates in the milk?d. Why is there Natrium in the milk? # To answer this question, please see the composition of milk with the details i given below ( or you can see the picture attched )Composition: Cow MilkThe dose of 1 can of 189 ml has; a total energy of 120 kcal, energy from fat 60 kcal . Total fat 7 g saturated fat 5.0 g Cholesterol 25 mgProtein 6 gCarbodirate Total 9 gand Natrium 115 mg# Conversion NADH and FADH2 = 2.5 and 1.5 ATP( Please write the answer on the paper thank you )
Which of the following la true about urease being a hydrolase enzyme? A. It catalyzes the degradetion of uracil B. It catalyzes the zynthesia C. It catalyzes the hydrolyais of urea D. It catalyzes the degradation of all amines of urea Enzyme are clasalfed Into how meny mejor groups and systematically named by how many numbere separated by dota? A. 4 groups and 6 numbera, гeaреctlvely C. 4 groupe and 4 numbera, тегресtively D. 5 groups and 2 numbera, reapectively B. 6 groups and 4 numbera, respectively Which of the following can cause the rate of enzyme activity to increase? I. Increasing the temperature starting from the optimum temperature Increasing the temperature until ít reaches the optimum temperature Decreazing the temperature atarting from the optimum temperature II. III. IV. Decreazing the temperature until it reaches the optimum temperature C. I and IV only D. II and IV only A. I and I only В. I and III only II only
1. At pH 7, the net charge of lysine is A. -2 В. -1 С. О D. +1 Е. +2 2. All 20 amino acids have A. one chiral carbon В. one a-carbon C. one carboxyl group D. ionizable R group E. neutral charge at physiological pH 3. The a helix structure of a polypeptide is maintained by A. peptide bonds B. van der Waal's force C. hydrogen bonds D. ionic bonds E. disulphide bonds 4. Which side chain of the following amino acid is deprotonated at pH 9? A. Methionine B. Alanine C. Isoleucine D. Histidine Е. Тyгosine 5. How many chiral carbons are in the following sugar? А. 1 В. 2 С. 3 D. 4 Е. 5
The N-terminal residue of a protein can be identified using о а. eхореptidases O b. all of the three reagents O c. mercaptoethanol O d. formic acid
1. provide three reasons why most of the research on carotenoids concentrates on b-carotene. 2. draw the retinol ester that has stearic acid as the carboxylic acid portion of its structure.
The side chain of acetyl-L-lysine-OMe has a pKa=10.5 and its acid-dissociation reaction is shown below. see attachment for Question D.
1. Answer the following questions, based on this reaction: S+E P ES EP2 E + P | B)Where is the transition state located?
These enzymes form covalent intermediates A. Papain B. Alkaline phosphatase C. Elastase D. All of the above This statement/s describe/s the function of TPP A. decarboxylation of alpha- keto acids B. oxidative decarboxylation of alpha- keto acids C. transketolation reactions D. All of the above True statement/s about intrinsic binding energy: A. More stable ES, slows the reaction B. Increasing the energy of ES is by either loss of entropy or destabilization of ES C. Smaller Ea between ES and ES* means faster the reaction D. All of the above
E* S P₁₁ P₂ E E-S₁ E-S₁-S₂ E-P₁-P₂ E*-P₂ E* Which of these 2 options represents a Sequential Ordered bisubstrate reaction? (label the other reaction as well) P₁ P₂ E-S₁-S₂ E-P₁-P₂ E-P₂ E is E E-S₁ S E◄

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