AAB MT Chemistry Exam Newest 2026 Actual Exam
Test Bank| Chemistry MT AAB Exam Review 2026|
Complete 350 Real Exam Questions and Correct
Detailed Answers (Verified Answers) Already Graded
A+ (Brand New!!)
1. Which of the four elements in proteins differentiates this class
of substances from carbohydrates and lipids?
A) Carbon
B) Hydrogen
C) Nitrogen
D) Oxygen
Correct Answer: C
Rationale: Proteins contain nitrogen (approximately 16%), while
carbohydrates and lipids are composed primarily of carbon,
hydrogen, and oxygen. The presence of nitrogen in amino acids
1
,(the building blocks of proteins) distinguishes proteins from the
other organic macromolecules.
2. Which of the following plasma proteins is soluble in water and
constitutes the largest fraction of total protein?
A) Alpha-1 globulin
B) Alpha-2 globulin
C) Albumin
D) Gamma globulin
Correct Answer: C
*Rationale: Albumin is water-soluble and comprises
approximately 55-60% of total serum protein. It is produced in
the liver and functions primarily to maintain oncotic pressure and
transport various substances including bilirubin, fatty acids, and
drugs.*
2
,3. How are amino acids joined together to form a chainlike
structure?
A) Disulfide bonding
B) Hydrogen bonding
C) Covalent bonding
D) Peptide bonding
Correct Answer: D
Rationale: Amino acids are linked by peptide bonds, which are
covalent bonds formed between the carboxyl group of one amino
acid and the amino group of another, with the release of a water
molecule. This creates the primary structure of proteins.
3
, 4. Proteins may become denatured when subjected to mechanical
agitation, heat, or chemical treatment. What does denaturation
of proteins refer to?
A) Amino acid substitution
B) Addition of a prosthetic group
C) Alteration in tertiary structure
D) Increase in solubility
Correct Answer: C
Rationale: Denaturation involves the disruption of a protein's
tertiary and secondary structures (folding patterns) without
breaking peptide bonds. This results in loss of biological activity
and often decreased solubility. Denaturation can be reversible or
irreversible depending on the severity of the treatment.
5. Which aminoacidopathy is NOT caused by an enzyme
deficiency?
4
Test Bank| Chemistry MT AAB Exam Review 2026|
Complete 350 Real Exam Questions and Correct
Detailed Answers (Verified Answers) Already Graded
A+ (Brand New!!)
1. Which of the four elements in proteins differentiates this class
of substances from carbohydrates and lipids?
A) Carbon
B) Hydrogen
C) Nitrogen
D) Oxygen
Correct Answer: C
Rationale: Proteins contain nitrogen (approximately 16%), while
carbohydrates and lipids are composed primarily of carbon,
hydrogen, and oxygen. The presence of nitrogen in amino acids
1
,(the building blocks of proteins) distinguishes proteins from the
other organic macromolecules.
2. Which of the following plasma proteins is soluble in water and
constitutes the largest fraction of total protein?
A) Alpha-1 globulin
B) Alpha-2 globulin
C) Albumin
D) Gamma globulin
Correct Answer: C
*Rationale: Albumin is water-soluble and comprises
approximately 55-60% of total serum protein. It is produced in
the liver and functions primarily to maintain oncotic pressure and
transport various substances including bilirubin, fatty acids, and
drugs.*
2
,3. How are amino acids joined together to form a chainlike
structure?
A) Disulfide bonding
B) Hydrogen bonding
C) Covalent bonding
D) Peptide bonding
Correct Answer: D
Rationale: Amino acids are linked by peptide bonds, which are
covalent bonds formed between the carboxyl group of one amino
acid and the amino group of another, with the release of a water
molecule. This creates the primary structure of proteins.
3
, 4. Proteins may become denatured when subjected to mechanical
agitation, heat, or chemical treatment. What does denaturation
of proteins refer to?
A) Amino acid substitution
B) Addition of a prosthetic group
C) Alteration in tertiary structure
D) Increase in solubility
Correct Answer: C
Rationale: Denaturation involves the disruption of a protein's
tertiary and secondary structures (folding patterns) without
breaking peptide bonds. This results in loss of biological activity
and often decreased solubility. Denaturation can be reversible or
irreversible depending on the severity of the treatment.
5. Which aminoacidopathy is NOT caused by an enzyme
deficiency?
4
