12. Identify the zwitterions in the list of substances (a) (CH3);NH(CH,);N_ (b) "H3N-CH,COOH/"H3N-CH,–COO (c) "н,N—CH, — СОО7Н,N —CH, — СОО" (d) "ООС—CH,— СООН/ООС— CH, — СОО" (е) "ООС— СH, — СООН/НООС — СH,—СООН -
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- .1 Given structures (Betaxlol) and (Timolol), which one would be a better choice topically to treat glaucoma in a patient with a history of asthma? Provide a SBTE for your answer. cr 0- CH2-CH-CH2-NH2-CH(CH3)2 -H2C-0-H2C-H2C- ÓH (Betaxolol) -00, c=C, H H -o-CH2-CH-CH2-NH2-C(CH3)3 (Timolol) OH5. Anesthetic gases used in surgery are known to bind to the hemoglobin molecule in red blood cells. The diagram below illustrates O2 binding curves of normal human HbA in the presence of the anesthetic gas dichloromethane (DCM). O UNTREATED 100 Symbols: a Dсм 23 Torr • DCM 50 Torr x DCM I00 Torr o, 0 Torr DCM; О, 23 Torr DСМ Д, 50 Torr DСМ x, 100 Torr DCM. 80 60 40 (1 Torr = 1 mm Hg.) 20 The solutions were buffered to pH 7.4. 0.5 1.0 1.5 2.0 log p02 For the curves at 0 and 100 Torr of dichloromethane, draw their equivalent in the form of (a) (* Hill plots. Label the axes and indicate on both the plot above and the Hill plot where the value of the dissociation equilibrium constant Kd for O2 binding is defined for 0 and 100 Torr of dichloromethane Kd Hb(O2)n nO2 Hb + Be sure to label the axes, indicate the units on both axes, and make the Hill plot so that the values of Kd are equivalent to those on the saturation plot above. Indicate whether cooperativity, as indicated by the Hill…Which of the two structures, (Betaxolol) or (Sotalol) would be more contraindicated to treat a patient with hypertension and a history of depression, sleep disorders or psychosis? cr -o- CH2-CH-CH2-NH2-CH(CH3)2 -H2C-O-H2C-H2C- Он (Betaxolol) CH- -CH2-NH2-CH(CH3)2 OH Cr H3C-S-HN- (Sotalol)
- a) A bottle is labeled Demerol (meperidine) 50 mg/cc. How many cubic centimeters are needed to give a 125 mg dose? b) Promazine HCL comes as 500 mg/10 ml. How many milliliters are needed to give 150 mg dose? c) Hyaluronidase comes as 150 U/cc. How many cubic centimeters for a 30 U dose?Answer the following step by step A) If Dalmane is available as 15 mg capsules, what dosage is given with 2 capsules? B) Using 0.5 mg/kg of body weight for atropine by aerosol, what dose is needed for a 75-kg man? C) If Tempra is available as 120 mg/ 5 ml, how much dose is there in one-half teaspoon?2. Draw the possible ionization states for each of the following amino acids and indicate the predominant ionization state at pH = 1, 3, pl, 7, 11. a) serine b) glutamic acid
- Explain the difference in the melting points of the linoleic acid and linolenic acid:5. Anesthetic gases used in surgery are known to bind to the hemoglobin molecule in red blood cells. The diagram below illustrates O2 binding curves of normal human HbA in the presence of the anesthetic gas dichloromethane (DCM). O UNTREATED 100 a Dсм 23 Torr Symbols: в Dсм 50 Torr x DCM I00 Torr o, 0 Torr DCM; O, 23 Torr DCM A, 50 Torr DCM x, 100 Torr DCM. 80 60 40 (1 Torr = 1 mm Hg.) 20 The solutions were buffered to pH 7.4. 0.5 1.0 1.5 2.0 log p02 (a) (* Hill plots. Label the axes and indicate on both the plot above and the Hill plot where the value of the dissociation equilibrium constant Ka for O2 binding is defined for 0 and 100 Torr of dichloromethane For the curves at 0 and 100 Torr of dichloromethane, draw their equivalent in the form of Kd Hb(O2)n Hb + nO2 % OXYGENATION1.1 Which of the following statements is true for the chemical depicted below? CH,-CH,-CH,-CH,-CH2-CH,-CH,-CH,-CH2-CH2-CH,-CH3 CH3-N-CH3 CH,-CH,-CH,-CH,-CH2-CH,-CH,-CH,-CH,-CH,-CH,-CH3 A) it has unsaturated hydrocarbon chains B) this molecule is a cationic lipid c) this molecule readily dissolves in water D) this molecule could be useful for carrying nucleic acids into cells
- What charged groups are present in leucine at a pH = 7? OA) 1× NH3 B) 1 x COO™ O + C) 1× NH3 and 1 x COO™ OD) 2 × NH3+ and 1 × COO- O E) 1× NH3¹ and 2 × COO- + OF) None5. Anesthetic gases used in surgery are known to bind to the hemoglobin molecule in red blood cells. The diagram below illustrates O2 binding curves of normal human HbA in the presence of the anesthetic gas dichloromethane (DCM). O UNTREATED 100 a DCM 23 Tor • DCM 50 Torr x DCM 100 Torr Symbols: o, 0 Torr DCM; O, 23 Torr DCM A, 50 Torr DCM x, 100 Torr DCM. 80 40 (1 Torr = 1 mm Hg.) The solutions buffered to pH 7.4. 20 were 0.5 1.0 1.5 2.0 log po2 % OXYGENATIONOH но— H- H- -O- OH + Resorcinol/dilute HCI 1.) 2.) Sucrose + Copper (II) Acetate/Acetic Acid HO- H- HO H- но H- H- HO- 3.) OH + Orcinol/HCi