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82. Which of the following is(are) CORRECT? (A) Both glucose and fructose have the same molecular formula (B) The positions of the oxygen and carbon differ in the structures of glucose and fructose (C) Both glucose and fructose have the same physical properties (D) Both glucose and fructose are monosaccharides

Glucose vs Fructose Explained

81. DNA and RNA are acidic in nature due to the presence of: (A) Pentose sugar (B) Nitrogenous bases (C) Phosphate groups (D) Large number of hydrogen bonds

Why DNA and RNA Are Acidic – Role of Phosphate Groups

80. Which of the following is(are) TRUE about photosynthesis? (A) In C₃ plants the first organic product of carbon fixation is 3-phosphoglycerate (B) In C₄ plants the first organic product of carbon fixation is oxaloacetate (C) Crassulacean Acid Metabolism (CAM) occurs in succulent plants living in arid conditions (D) Oxygen is generated from carbon dioxide

Photosynthesis in C₃, C₄ and CAM Plants Explained

79. Assertion [A]: The difference in the respective melting points of butter and coconut oil is caused by the degree of saturation of the corresponding fatty acid chain. Reason [R]: Unsaturated fatty acid chains become solid more easily because they are relatively straight and pack together more closely than saturated chains.

Difference Between Butter and Coconut Oil Melting Point

78. In a typical mammalian cell, the protein content is 20% of its net weight. If the density and volume of the cell are 1.2 g/mL and 4 × 10⁻⁹ mL, respectively, then the concentration (in mg/mL) of the protein is: (A) 60 (B) 600 (C) 166 (D) 240

Protein Concentration Calculation in Mammalian Cells

77. Match the enzymes in Group I with the corresponding substrate in Group II: Group I (P) Amylase (Q) Pepsin (R) Lipase (S) Ribozyme Group II (1) Protein (2) Fat (3) RNA (4) Starch

Enzymes and Their Substrates Explained

76. Match the deficiency conditions in Group I with the corresponding vitamin in Group II: Group I (P) Beriberi (Q) Scurvy (R) Birth defects (S) Night blindness Group II (1) Ascorbic acid (2) Retinol (3) Thiamine (4) Folic acid

Vitamin Deficiency Diseases Explained

75. The common component in crustacean exoskeleton and fungal cell wall is: (A) Lignin (B) Cellulose (C) Chitin (D) Peptidoglycan

Chitin in Crustacean Exoskeleton and Fungal Cell Wall

74. Deficiency of the enzyme phenylalanine hydroxylase causes Phenylketonuria. Phenylalanine hydroxylase converts phenylalanine to: (A) Tryptophan (B) Alanine (C) Tyrosine (D) Threonine

Phenylalanine Hydroxylase and Phenylketonuria Explained

73. The following reaction is an example of . (A) enolization (B) racemization (C) isomerization (D) epimerization

Isomerization Reaction in Glycolysis Explained

72. Consider an ATP synthase having twelve C-rings to sense proton motive force. The average number of protons required per ATP synthesis is ________.

ATP Synthase Proton Requirement Calculation

71. Which one of the following bonds is formed at the branch point in glycogen? (A) α-1,4 glycosidic bond (B) α-1,6 glycosidic bond (C) β-1,4 glycosidic bond (D) β-1,6 glycosidic bond

Branch Point in Glycogen Explained

70. The pH of gastric juice in the stomach is 2.0. However the pH inside the cells that line the stomach is 7.0. For transport of protons from inside the cell to the stomach, the free energy change (∆G) in kJmol–1at 37oC is [Assume Universal Gas constant R = 8.314 Jmol–1K–1]

Free Energy Calculation for Proton Transport Across Gastric Cells

69. An enzyme preparation containing 10 mg/ml protein shows a specific activity of 50 U/mg. The initial velocity of reaction in a standard 1 ml reaction mixture containing 10 µl of the preparation in µmol.ml–1.min–1 is

Initial Velocity Calculation from Specific Activity

68. Which one of the following options shows the correct pairing of the enzyme with its corresponding application? P.Papain i. Gluten complex reduction Q.Bromelain ii. Immuno assay marker enzyme R.Peroxidase iii. Maltose syrup preparation S.β-amylase iv. Meat tenderizer (A) P-iv, Q-i, R-ii, S-iii (B) P-iv, Q-iii, R-i, S-ii (C) P-iv, Q-i, R-iii, S-ii (D) P-i, Q-ii, R-iv, S-iii

Industrial Applications of Enzymes Explained

Enzyme pH Activity Profile Explained

66. Cephalin, a biological surfactant, is (A) choline phosphoglyceride (B) ethanolamine phosphoglyceride (C) glycosphingolipid (D) sphingolipid

What is Cephalin?

65. A 50-amino acid residue stretch of a globular protein adopts an extended structure containing a true α-helix of 24 residues and β-strand of 26 residues. The total length of the stretch will be nm.

Protein Secondary Structure Length Calculation

64. The following polypeptide chain was sequentially treated with dithiothreitol, cyanogen bromide, and trypsin. Phe-Trp-Lys-Tyr-Met-Gly-Ala-Cys-Cys-Pro-Met-Asp-Gly-Arg-Phe-Ala-Gly-Trp The total number of fragments expected at the end of complete digestion of the polypeptide are .(consider that none of the reagents interfere with each other’s activities)

Sequential Digestion of Polypeptides

63. An enzyme catalyzes the conversion of 4 × 10-4 M substrate into product at a rate of 20 µM/min. If the Km value for the enzyme is 2 × 10-4 M, the value of Vmax is ____µM/min.

How to Calculate Vmax Using the Michaelis–Menten Equation?

62. A receptor binds to its ligand with a dissociation constant Kd = 10-8 M. The concentration of the ligand required to occupy 10% of the receptors would be 10-x M. The value of x is ______ .

How to Calculate Ligand Concentration Using Kd?

61. The net charge on the following peptide at pH 7.0 is ________ . Val-Asp-Asn-Lys-Ser-Ile

Net Charge of a Peptide at pH 7

60. Which of the following are NOT true for photosynthesis? (A) Reduction of CO2 and H2O (B) Oxidation of CO2 and H2O (C) Reduction of CO2 and oxidation of H2O (D) Oxidation of CO2 and reduction of H2O

Photosynthesis Redox Reactions Explained

59. Which of the following statements are TRUE for cellulose? (A) Cellulose serves a structural role (B) Cellulose is a branched polysaccharide (C) Cellulose is a homopolysaccharide composed of (α1→4) linked D-glucose units (D) Cellulose is a homopolysaccharide composed of (α1→4) linked D-glucose units

Cellulose Structure and Function Explained

58. In an experiment conducted in the dark, isolated chloroplasts are kept in buffer (pH 4.0) at 4 °C until their internal pH is equal to 4.0. Then, they are transferred to a buffer of pH 8.0, and ADP and Pi are added at the same time. Which of the following will happen? (A) Chloroplasts will be destroyed (B) Chlorophyll in the chloroplast will release bound Magnesium (C) Chloroplasts will be intact but no ATP will be produced (D) Chloroplasts will be intact and ATP will be produced

Why Do Isolated Chloroplasts Produce ATP After a pH Shift?

57. Determine the correctness or otherwise of the following Assertion [a] and Reason [r]. Assertion: In the process of ATP synthesis in oxidative phosphorylation, ATP synthase is not a part of electron transport chain on inner mitochondrial membrane. Reason: ATP synthase is coupled to electron transport chain through proton motive force. (A) [a] and [r] are true and [r] is the correct reason for [a] (B) [a] and [r] are true but [r] is not the correct reason for [a] (C) both [a] and [r] are false (D) [a] is false but [r] is true

Is ATP Synthase a Part of the Electron Transport Chain?

56. The KM and vmax of an enzyme are 4 mM and 0.1 nMh-1 respectively. In the presence of 1.5 mM inhibitor, the K’M and v’max of the enzyme are 6 mM and 0.1 nM h-1, respectively. The value of inhibition constant, Kl (correct to 1 decimal place) is mM.

How to Calculate the Inhibition Constant (Ki)?

55. The standard oxidation potentials for oxidation of NADH and H20 are + 0.315 V and -0.815 V, respectively. The standard free energy for oxidation of I mole of NADH by oxygen under standard conditions (correct to l decimal place) is kJ. [Faraday Constant is 96500 C mole*']

Standard Free Energy Calculation for NADH Oxidation by Oxygen

54. Total number of singlets observed in the HNMR of the following compound is

¹H NMR Spectrum of Vanillin

53. The KM and vmax of lactate dehydrogenase for conversion of pyruvate to lactate are 1 mM and 5 nMs-1, respectively. At 0.25 mM pyruvate, the velocity of the reaction catalyzed by lactate dehydrogenase is nM s-1.

Michaelis–Menten Equation Numerical Problem

52. The VG" for homolactic fermentation converting glucose to lactate is —196 kJ mol-1. I VG 0' for the formation of ATP is +30.5 kJ mol-1, then (A) homolactic fermentation is 31% energy efficient (B) the efficiency of energy conservation is 69% (C) the energy stored in the form of ATP is 31% (D) the process results in the loss of 31% of energy

Energy Efficiency of Homolactic Fermentation

51. The nitrogenase of diazotrophs (A) contains Cu-S center and uses 12 NADH to reduce one N2 (B) contains one (4Fe-4S) cluster and uses 8 FADHc to reduce one Nz (C) is a complex of Fe-protein and MoFe-protein and uses 16 ATPs to reduce one N2 (D) is a MoFe protein and uses 4 ATP and 4 FMNH2to reduce one N2.

Nitrogenase of Diazotrophs Explained

50. If an aldol cleavage of glucose-6-phosphate occurs in glycolysis, it will result in (A) products of equal carbon chain length (B) products of unequal carbon chain length (C) removal of phosphate group (D) three C, compounds

Aldol Cleavage of Glucose-6-Phosphate in Glycolysis

49. For a 0.1 M aqueous solution of lysine, the pH at which it carries no net charge is .

How to Calculate the Isoelectric Point (pI) of Lysine?

48. A 100 nucleotide-long single stranded poly-(A) is synthesized from adenosine monophosphate (AMP) at physiological pH. (Atomic mass of C = 12, H = 1, O = 16, P = 31; at physiological pH, Molecular mass of AMP = 345). The molecular mass of the resulting poly-(A) at physiological pH is ____ .

How to Calculate the Molecular Mass of Poly(A) RNA?

47. The concentration of a purified enzyme is 10 mg/mL. Ten microlitres of the enzyme solution in a total reaction volume of 1 mL catalyses the formation of 20 nanomoles of product in one minute under optimum conditions. The specific activity of the enzyme is unit/mg.

How to Calculate Specific Activity of an Enzyme?

46. Glucose is incubated with enzymes of glycolytic pathway (except pyruvate kinase), gamma 32P-ATP and unlabeled inorganic phosphate. Which of the following products is/are formed?

Glucose Incubated with Glycolytic Enzymes and γ-32P ATP

45. Match the entries in Group I with that in Group II Group I Group II P) Vitamin B1 1) Co-enzyme A Q) Vitamin B2 2)Flavin mononucleotide R) Vitamin B5 3)Pyridoxal phosphate S) Vitamin B6 4)Thiamine pyrophosphate (A) P-4, Q-3, R-2, S-1 (B) P-3, Q-1, R-4, S-2 (C) P-1, Q-2, R-3, S-4 (D) P-4, Q-2, R-1, S-3

Match Vitamin B1, B2, B5 and B6 with Their Coenzymes

44. Match the entries in Group I with that in Group II Group I Group II P) Fehling’s test 1) α-Amino acid Q) Ninhydrin reaction 2) Reducing sugar R) Biuret reaction 3) Sulfhydryl group S) Nitroprusside 4) Peptide linkage reaction (A) P-1, Q-2, R-3, S-4 (B) P-3, Q-4, R-1, S-2 (C) P-2, Q-1, R-4, S-3 (D) P-4, Q-1, R-2, S-3

Match Fehling’s Test, Ninhydrin, Biuret and Nitroprusside Reactions

43. What is the source of electrons in photosynthesis? (A) Carbohydrates (B) Water (C) CO2 (D) NADH

What Is the Source of Electrons in Photosynthesis?

42. In the feedback regulation of an enzyme, the end product binds to the (A) active site of the enzyme. (B) allosteric site of the enzyme. (C) enzyme-substrate complex. (D) substrate.

Feedback Inhibition in Enzymes

41. The free energy required to synthesize a mixed anhydride bond of 1,3-bisphosphoglycerate is generated by the oxidation of . (A) an aldehyde to acid (B) an alcohol to acid (C) an alcohol to aldehyde (D) NADH to NAD+

Formation of 1,3-Bisphosphoglycerate

40. Solutions of the following peptides are prepared separately at a concentration of 1 mM. Among these four, which one has the highest A280? (A) Ser-Val-Trp-Asp-Phe-Gly-Tyr-Trp-Ala (B) Gln-Leu-Glu-Phe-Thr-Leu-Asp-Gly-Tyr (C) Met-Gly-Val-Ileu-Asp-Ser-Ala-Trp-His (D) His-Pro-Gly-Asp-Val-Ileu-Phe-Met-Leu

Which Peptide Has the Highest A280?

39. Which one of the following modifications occurs both on DNA and protein? (A) ADP-ribosylation (B) Methylation (C) Sumoylation (D) Ubiquitination

Which Modification Occurs on Both DNA and Proteins?

38. Match the entries in Group I with the entries in Group II Group I Group II (P) Nylon (i) Isoprene (Q) Natural rubber (ii) Hexose (R) Starch (iii) Amino acid (S) Myoglobin (iv) Adipic acid (A) P-iv, Q-i, R-ii, S-iii (B) P-iv, Q-i, R-iii, S-ii (C) P-iv, Q-iii, R-ii, S-i (D) P-ii, Q-iv, R-i, S-iii

Match Nylon, Natural Rubber, Starch and Myoglobin

37. At what pH does poly-Glu in an aqueous solution form α-helical structure? (A) 3 (B) 7 (C) 9 (D) 12

At What pH Does Polyglutamic Acid (Poly-Glu) Form an α-Helix?

36. The glycosidic linkages in cellulose and amylose are , respectively. (A) α 1-4 and β 1-4 (B) β 1-4 and α 1-4 (C) β 1-4 and α 1-6 (D) α 1-4 and α 1-2

Cellulose and Amylose Glycosidic Linkages Explained

35. Phosphoglucoisomerase catalyzes the following reaction: If 0.05% of the original concentration of Glu-6-P remains at equilibrium, then the equilibrium constant of this reaction is .

Phosphoglucose Isomerase Equilibrium Constant Calculation

34. Proinsulin is an 84 residue polypeptide with six cysteines. How many different disulfide combinations are possible?

How Many Disulfide Bond Combinations Are Possible in Proinsulin?

33.The advantage(s) of storing chemical energy in the form of starch and not as free glucose is/are that it _____ . (A) minimizes diffusion (B) enables compact storage (C) reduces osmotic pressure (D) protects against chemical reactivity of aldehyde groups

Why Is Glucose Stored as Starch Instead of Free Glucose?

Hemoglobin Oxygen Binding Curve Explained

31.Which one of the following parameters changes upon doubling the enzyme concentration? (A) KM (B) Vmax (C) kcat (D) Keq

Michaelis-Menten Explanation

30. The following reaction is an example of . (A) enolization (B) racemization (C) isomerization (D) epimerization

Isomerization Explained

29. The free energy required to synthesize a mixed anhydride bond of 1,3-bisphosphoglycerate is generated by the oxidation of . (A) an aldehyde to acid (B) an alcohol to acid (C) an alcohol to aldehyde (D) NADH to NAD+

Formation of 1,3-Bisphosphoglycerate

28.Solutions of the following peptides are prepared separately at a concentration of 1 mM. Among these four, which one has the highest A280? (A) Ser-Val-Trp-Asp-Phe-Gly-Tyr-Trp-Ala (B) Gln-Leu-Glu-Phe-Thr-Leu-Asp-Gly-Tyr (C) Met-Gly-Val-Ileu-Asp-Ser-Ala-Trp-His (D) His-Pro-Gly-Asp-Val-Ileu-Phe-Met-Leu

Which Peptide Shows the Highest A280?

27. Which one of the following modifications occurs both on DNA and protein? (A) ADP-ribosylation (B) Methylation (C) Sumoylation (D) Ubiquitination

Which Modification Occurs on Both DNA and Proteins?

26. Match the entries in Group I with the entries in Group II Group I Group II (P) Nylon (i) Isoprene (Q) Natural rubber (ii) Hexose (R) Starch (iii) Amino acid (S) Myoglobin (iv) Adipic acid (A) P-iv, Q-i, R-ii, S-iii (B) P-iv, Q-i, R-iii, S-ii (C) P-iv, Q-iii, R-ii, S-i (D) P-ii, Q-iv, R-i, S-iii

Match Nylon, Natural Rubber, Starch and Myoglobin

25. At what pH does poly-Glu in an aqueous solution form α-helical structure? (A) 3 (B) 7 (C) 9 (D) 12

At What pH Does Poly-Glu Form an α-Helical Structure?

24. The glycosidic linkages in cellulose and amylose are , respectively. (A) α 1-4 and β 1-4 (B) β 1-4 and α 1-4 (C) β 1-4 and α 1-6 (D) α 1-4 and α 1-2

Glycosidic Linkages in Cellulose and Amylose

23. In 'Futile Cycle' chemical energy is dissipated as heat due to two opposite biochemical reactions. Which of the following biochemical reaction(s) is/are a part of 'Futile Cycle'? (A) Glucose ↔ Glucose-6-phosphate (B) Fructose-6-phosphate ↔ Fructose-1,6-bisphosphate (C) Glucose-6-phosphate ↔ Fructose-6-phosphate (D)1,3-bisphosphoglycerate ↔ 3-phosphoglycerate

Futile Cycle in Biochemistry Explained

22. Which of the following metabolite(s) accumulate(s) in the blood of a human adult consuming a ketogenic diet? (A) D-β-hydroxybutyrate (B) Acetoacetate (C) Pyruvate (D) Oxaloacetate

Which Metabolites Accumulate During a Ketogenic Diet?

21. The standard free energy change (ΔG°) of the binding reaction between different sweet molecules and a common sweet taste receptor are given. Which amongst these molecules is the sweetest at the same molar concentration? (A) Sucrose (-6.7 kcal mol⁻¹) (B) Saccharin (-9.7 kcal mol⁻¹) (C) Alitame (-11.1 kcal mol⁻¹) (D) Neotame (-12.1 kcal mol⁻¹)

Which Sweet Molecule Is the Sweetest?

20.The porphyrin ring (tetrapyrrole structure) is NOT found in functional (A) chlorophyll (B) hemoglobin (C) hemocyanin (D) leghemoglobin

Porphyrin Ring (Tetrapyrrole Structure)

19. An enzyme follows simple Michaelis-Menten kinetics with KM = 5 μM. The substrate concentration at which initial velocity is 10% of Vmax is __________ μM (rounded off to two decimal places).

Michaelis–Menten Numerical Explained

18. One molecule of the protein myoglobin contains one atom of iron. A myoglobin sample was found to contain 0.34% iron. The molecular weight of myoglobin is __________ g mol⁻¹ (rounded off to the nearest integer). (Use 55.9 g mol⁻¹ as atomic mass of iron)

How to Calculate the Molecular Weight of Myoglobin

17. RNA is a polymer of (A) glycosides (B) ribonucleosides (C) ribonucleotides (D) riboses

RNA is a Polymer of Ribonucleotides

16. The most abundant type of RNA in a metabolically active mammalian cell is (A) mRNA (B) rRNA (C) snoRNA (D) tRNA

Most Abundant RNA in a Metabolically Active Mammalian Cell

15. Km and Vmax of an enzyme preparation are 5 μM and 30 μM min⁻¹ respectively. Considering Ki value of competitive inhibitor is 60 μM, the velocity (V0) of this enzyme-catalyzed reaction in presence of 200 μM substrate and 600 μM of competitive inhibitor is ______ μM min⁻¹ (rounded off to two decimal places).

14. The ΔG′ and K′eq values of ATP hydrolysis are −32.34 kJ mol⁻¹ and 4.6 X 105, respectively. The ΔG′ and K′eq values of enzymatic hydrolysis of glucose-6-phosphate to glucose and phosphate are −13.18 kJ mol⁻¹ and 203.8, respectively. The ΔG′ value of reaction of glucose-6-phosphate formation from glucose and ATP by hexokinase is ______ kJ mol⁻¹ (rounded off to 2 decimal places). All reactions are carried out at pH 7.0 and 25°C.

ΔG′ of Glucose-6-Phosphate Formation by Hexokinase

13. The net number of molecule(s) of NADH formed from one molecule of glucose in glycolysis under aerobic conditions is/are ______.

Number of NADH Molecules Produced in Glycolysis

12. Different segments of a photosynthetic filamentous alga are exposed to different wavelengths of light as shown below. After a period of time, bacteria known to migrate toward high oxygen concentration are spread on the surface of the alga. Which region(s) of the alga will have maximum bacterial congregation? (A) P and R (B) P and Q (C) Only P (D) Only Q

Photosynthetic Action Spectrum Experiment

11. What is the maximum number of hydrogen bonds that a water molecule can make in the liquid state?

Maximum Number of Hydrogen Bonds in a Water Molecule

10. In the electron transport chain, flavin mononucleotide (FMN) can adopt _____ as the highest oxidation state and is capable of accepting or donating _____ electrons, respectively. (A) 2; 2 or 3 (B) 2; 1 or 2 (C) 3; 2 or 3 (D) 3; 1 or 2

Flavin Mononucleotide (FMN) in the Electron Transport Chain

9. The net equation for aerobic glycolysis is (A) Glucose + 2ATP → 2 lactate + 2ADP + 2Pi (B) Glucose + 2ADP + 2Pi + 2NAD⁺ → 2 pyruvate + 2ATP + 2NADH + 2H₂O + 4H⁺ (C) Glucose + 2ADP + 2Pi → 2 pyruvate + 2ATP + 2H₂O (D) Glucose + 2ADP + 2Pi + 2NAD⁺ → 2 lactate + 2ATP + 2NADH + 2H₂O + 4H⁺

Aerobic Glycolysis Net Equation Explained

8. For an enzyme following Michaelis-Menten kinetics, when [S] = Kₘ, the velocity v is (A) [S] × Vmax (B) 0.75 × Vmax (C) 0.5 × Vmax (D) Kₘ × Vmax

Michaelis–Menten Equation

7. Which of the following is a glycolipid? (A) Cerebroside (B) Phosphatidylcholine (C) Phosphatidylserine (D) Cardiolipin

Which of the Following Is a Glycolipid?

6. At 25°C and pH 7.0, the concentrations of glucose 1-phosphate and glucose 6-phosphate are 2.0 mM and 38 mM, respectively, at equilibrium. The standard free energy change for the conversion of glucose 1-phosphate to glucose 6-phosphate is ______ J/mol. [Rⓜ=8.315 〖"J mol" 〗^(-1) "K" ^(-1) ]

Standard Free Energy Change (ΔG°′)

5. The number of peptide bonds in a 20-residue linear peptide is ____.

Number of Peptide Bonds in a 20-Residue Linear Peptide

4. Which of the following is/are TRUE about the electron carrier, ubiquinone (coenzyme Q)? (A) Its ability to accept two electrons, one at a time, enables ubiquinone to function at the junction between a 2-electron donor and a 1-electron acceptor (B) Being small and hydrophobic, ubiquinone readily shuttles between protein-based electron transfer complexes within the membrane (C) Its hydrophilic nature and high affinity for protons enable ubiquinone to transport protons readily within the intermembrane space of mitochondria (D) Its ability to interact with Heme C of cytochromes enables electron transport in the mitochondrial membrane

Ubiquinone (Coenzyme Q)

3. Oleic acid, shown below, is (A) A saturated fatty acid (B) An unsaturated fatty acid (C) Insoluble in water (D) Soluble in acetone

Oleic Acid Is an Unsaturated Fatty Acid

2. What is the significance of the isomerization of glucose 6-phosphate to fructose 6-phosphate for the progression of glycolysis? (A) As functional groups, ketones are more reactive than aldehydes. (B) Cleavage of glucose 1,6-bisphosphate will not yield dihydroxy acetone phosphate and glyceraldehyde 3-phosphate. (C) The carbonyl group at carbon-2 (C-2) in fructose facilitates the cleavage of the bond between C-3 and C-4. (D) Phosphorylation of glucose 6-phosphate to glucose 1,6-bisphosphate is irreversible.

The Logic of Glycolysis: Why Isomerization of Glucose 6-Phosphate to Fructose 6-Phosphate Matters

1. Which one of the following features/properties does glucose acquire through intramolecular hemiacetal formation? (A) Ability to function as a reducing agent (B) An additional chiral carbon (C) Ability to form anhydride linkage with non-carbohydrate moieties such as the inorganic phosphate (D) Ability to form epimers

Biochemistry Breakdown: Which Property Does Glucose Acquire via Hemiacetal Formation?

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