Chemistry Examination
1) A nonapeptide?
b) ADH.
2) Patients with Hb-S,
d) None of them.
3) Secondary structure
b) Non-covalent bond.
4) hemoprotien?
d) Globin.
5) Flow of solvent
d) a or b.
6) migrates more slowly toward the anode?
b) Hb-S.
7) All the following amino acid residues
b) Leucine.
8) Buffer is
a) True.
9) except myoglobin:
a) True.
10) According to the following pK values
c) 1.8.
11) polar, essential amino acid?
d) None of them.
12) pregnancy?
d) All of them.
13) semi-essential amino acid?
d) None of them.
14) Peptide bond is?
b) Polar.
15) regarding protein structures?
c) All quaternary structure proteins contain more than one subunit.
16) If the PI equal 7,
b) One amino acid will precipitate.
17) Aspartic acid and glutamic acid
b) False.
18) metabolic alkalosis except:
c) Constipation.
19) The osmolarity of 0.5M
c) 1.5.
20) greater than the solubility limit is called?
a) Supersaturated.
21) Electrostatic bonds
b) False.
22) Pco2 36 mmHg, HCO3- 36 mEq/L. What is the disorder?
c) Metabolic Alkalosis.
23) Which of the following can be separated into its components
c) Suspension.
24) Pco2 20 mmHg, HCO3- 26 mEq/L. What is the disorder?
b) Respiratory Alkalosis.
25) imidazole group?
d) Histidine.
26) Molarity
b) 1000 ml. solution.
27) strongest conjugate base?
c) Ethoxide.
28) Pco2 39 mmHg, HCO3- 20 mEq/L. What is the possible acid-base disorder?
a) Metabolic Acidosis.
29) physiological saline solution?
a) Hemolysis.
30) Covalent compounds
c) a & b. d) None of them.
31) compensated metabolic acidosis?
c) Pco2 25 mmHg, HCO3- 15 mEq/L.
32) related to acid strength?
b) pKa
33) Causes of alkalosis
b) Hypoventilation.
34) respiratory acidosis include:
a) Hypoventilation.
35) In myoglobin
c) Intrarmolecular H-bond.
36) one of the denaturing agents?
a) True.
37) not cause respiratory acidosis?
b) Anxiety.
38) correct about respiratory alkalosis?
d) All statements are correct.
39) found in human protein?
c) a & b.
40) ion is a:
d) Common name for Fe+3
41) regarding kidneys role?
d) All statements are incorrect.
42) In regarding nonpolar covalent bond
b) Electrons are shared unequally between bonded atoms.
43) Pco2 60 mmHg, HCO3- 35 mEq/L. What is the possible underlying acid-base disorder?
a) Compensated respiratory acidosis.
44) In osmosis
b) Concentrated solution.
45) A solution with pH = 5
b) 0.000000001
46) Crenation
a) Hypertonic solution.
47) zwitterion.
b) False.
48) In protein denaturation
a) Peptide.
49) tripeptide of?
d) Glutamate-Cysteine-Glycine.
50) going up a column.
a) True.