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MT AAB Chemistry Exam Questions and Answers 100% Pass
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MT AAB Chemistry Exam Questions and Answers 100% Pass Which of the four elements in proteins differentiated this class of substances from carbohydrates and lipids? - ANSWER-Nitrogen Which of the proteins is soluble in water? - ANSWER-Albumin How are amino acids joined together to form a chainl...

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  • November 19, 2024
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MT AAB Chemistry Exam Questions
and Answers 100% Pass


Which of the four elements in proteins differentiated this class of substances from

carbohydrates and lipids? - ANSWER✔✔-Nitrogen


Which of the proteins is soluble in water? - ANSWER✔✔-Albumin


How are amino acids joined together to form a chainlike structure? - ANSWER✔✔-

Peptide bonding


Proteins may become denatured when subjected to mechanical agitation, heat, or

chemical treatment. What does denaturation of proteins refer to? - ANSWER✔✔-

Alteration of tertiary structure


Which aminoacidopathy is NOT caused by an enzyme deficiency? - ANSWER✔✔-

Cystinuria


These aminoacidopathies are caused by an enzyme deficiency: - ANSWER✔✔-Maple

syrup disease, phenylketonuria, and alkaptonuria


How many immunoglobulin classes are currently recognized? - ANSWER✔✔-Five


Which reagent is employed in the serum protein determination? - ANSWER✔✔-Biuret

Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/25

,Why should hemolyzed serum not be used for total protein analysis? - ANSWER✔✔-

Hemoglobin is absorbed at the same wavelength as protein in the reagent


Which of the following is NOT true of the biuret reaction? - ANSWER✔✔-It is relatively

free from interference from lipids and hemoglobin


Which of the following is true of the biuret reaction? - ANSWER✔✔-Follows Beer's law

for a reasonable range of protein, depends on the presence of at least two peptide

linkages, and is insensitive to the low protein levels of urine.


Why is bromcresol purple the preferred indicator for albumin dye binding techniques? -

ANSWER✔✔-There is less interference from pigment(s)


What is the most anodic protein on electrophoresis at pH 8.6? - ANSWER✔✔-Albumin


The total protein is 7.1 g/dL. The serum protein results are:


Albumin 53.0% 3.8 g/dL


Alpha1 3.6% 0.3 g/dL


Alpha2 11.0% 0.8 g/dL


Beta 17.6% 1.2 g/dL


Gamma 14.8% 1.1 g/dL


What is the A/G ratio? - ANSWER✔✔-3.8/(.3+.8+1.2+1.1) = 1.1




Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/25

, A serum protein electrophoretic pattern displaying a beta gamma bridge or broad

gamma is seen in which disease state? - ANSWER✔✔-Active cirrhosis


If an electrophoretic pattern shows 30% albumin, 4%-10% alpha-globulin, 4%-10% beta-

globulin, and 45% gamma globulin, then what condition may exist in the patient? -

ANSWER✔✔-Monoclonal gammopathy


Glycoproteins and mucoproteins are usually bound to which substance? -

ANSWER✔✔-Carbohydrates


All of the following are glycoproteins: - ANSWER✔✔-Ceruloplasmin, follicle-

stimulating hormone (FSH), and fibrinogen


All of the following are glycoproteins EXCEPT: - ANSWER✔✔-Cryoglobulin


Which one of the following applies to cryoglobulins? - ANSWER✔✔-They are

temperature-sensitive proteins


Which of the following statements is true of albumin? - ANSWER✔✔-It is produced in

the liver and is water-soluble


Decreased alpha-fetoprotein values are associated with which condition? -

ANSWER✔✔-Down syndrome


Which one of the following proteins transports iron? - ANSWER✔✔-Transferrin




Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 3/25

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