Page 1 of 36
WGU BIOCHEMISTRY OBJECTIVE
ASSESSMENT 2026 EXAM COMPLETE
CURRENT TESTING QUESTIONS AND
DETAILED CORRECT ANSWERS (VERIFIED)
GUARANTEED PASS/TOP-RATED A+.
BIOCHEMISTRY
Maximize your success on the WGU Biochemistry Objective
Assessment exam with focused preparation that strengthens
your understanding of biomolecule structure and function,
metabolic pathways, enzyme kinetics, and the molecular basis
of genetics and disease. It is specifically designed for health
science students to demonstrate mastery of biochemistry for
applications in medicine and healthcare.
In Alzheimer's patients, which biochemical event is
responsible for their behavior? ✓ ✓...... ANSWER .......
Protein aggregation
In which situation would altering a protein structure lead to a
disease state? ✓ ✓...... ANSWER ....... A mutation
aconitase blocks essential step in aerobic metabolism
, Page 2 of 36
Which force is most influential in determining the tertiary
structure of a protein? ✓ ✓...... ANSWER .......
Hydrophobic effect
Quaternary structure ✓ ✓...... ANSWER ....... Large,
functional protein structure composed or smaller proteins
with multiple subunits.
Primary ✓ ✓...... ANSWER ....... Level of protein structure
established through the dehydration synthesis of peptide
bonds
Describe the protein gradient of the proton that during
aerobic metabolism. ✓ ✓...... ANSWER ....... There is a
higher H+ concentration in the inter membrane space than
in the matrix.
Which complex polysaccharide acts as an energy storing
molecule in the liver? ✓ ✓...... ANSWER ....... Glycogen
, Page 3 of 36
How does insulin impact carbohydrate metabolism? ✓
✓...... ANSWER ....... It stimulates the uptake of glucose
from the blood by cells in the body.
What occurs during the biochemical process of glucation?
✓ ✓...... ANSWER ....... A covalent bond forms between a
sugar and a protein or liquid.
Which metabolic pathway involves coenzyme A, NAD, &
FAD? ✓ ✓...... ANSWER ....... Beta oxidation
Which cellular condition prompts the cell to perform
fermentation rather than the citric acid cycle? ✓ ✓......
ANSWER ....... Lack of O2
What causes the symptoms of NIDDM type 2? ✓ ✓......
ANSWER ....... There are not enough GluT4 transporters
on plasma membranes.
Which molecule is pyruvate directly converted to under
aerobic conditions? ✓ ✓...... ANSWER ....... Acetyl CoA
, Page 4 of 36
Which cellular organelle required for the citric acid cycle and
electron transport chain is not present in RBCs? ✓ ✓......
ANSWER ....... Mitochondria
Which molecule is replenished by fermentation? ✓ ✓......
ANSWER ....... NAD+
Which pathway is triggered by the intake of carbs during
exercise? ✓ ✓...... ANSWER ....... Glycolysis
How many ATP molecules are used in the conversion of
pyruvate to glucose? ✓ ✓...... ANSWER ....... 6
Increased expression ✓ ✓...... ANSWER ....... Make
proteins
Decreased expression ✓ ✓...... ANSWER ....... Not
making proteins
Promoter ✓ ✓...... ANSWER ....... Start line
WGU BIOCHEMISTRY OBJECTIVE
ASSESSMENT 2026 EXAM COMPLETE
CURRENT TESTING QUESTIONS AND
DETAILED CORRECT ANSWERS (VERIFIED)
GUARANTEED PASS/TOP-RATED A+.
BIOCHEMISTRY
Maximize your success on the WGU Biochemistry Objective
Assessment exam with focused preparation that strengthens
your understanding of biomolecule structure and function,
metabolic pathways, enzyme kinetics, and the molecular basis
of genetics and disease. It is specifically designed for health
science students to demonstrate mastery of biochemistry for
applications in medicine and healthcare.
In Alzheimer's patients, which biochemical event is
responsible for their behavior? ✓ ✓...... ANSWER .......
Protein aggregation
In which situation would altering a protein structure lead to a
disease state? ✓ ✓...... ANSWER ....... A mutation
aconitase blocks essential step in aerobic metabolism
, Page 2 of 36
Which force is most influential in determining the tertiary
structure of a protein? ✓ ✓...... ANSWER .......
Hydrophobic effect
Quaternary structure ✓ ✓...... ANSWER ....... Large,
functional protein structure composed or smaller proteins
with multiple subunits.
Primary ✓ ✓...... ANSWER ....... Level of protein structure
established through the dehydration synthesis of peptide
bonds
Describe the protein gradient of the proton that during
aerobic metabolism. ✓ ✓...... ANSWER ....... There is a
higher H+ concentration in the inter membrane space than
in the matrix.
Which complex polysaccharide acts as an energy storing
molecule in the liver? ✓ ✓...... ANSWER ....... Glycogen
, Page 3 of 36
How does insulin impact carbohydrate metabolism? ✓
✓...... ANSWER ....... It stimulates the uptake of glucose
from the blood by cells in the body.
What occurs during the biochemical process of glucation?
✓ ✓...... ANSWER ....... A covalent bond forms between a
sugar and a protein or liquid.
Which metabolic pathway involves coenzyme A, NAD, &
FAD? ✓ ✓...... ANSWER ....... Beta oxidation
Which cellular condition prompts the cell to perform
fermentation rather than the citric acid cycle? ✓ ✓......
ANSWER ....... Lack of O2
What causes the symptoms of NIDDM type 2? ✓ ✓......
ANSWER ....... There are not enough GluT4 transporters
on plasma membranes.
Which molecule is pyruvate directly converted to under
aerobic conditions? ✓ ✓...... ANSWER ....... Acetyl CoA
, Page 4 of 36
Which cellular organelle required for the citric acid cycle and
electron transport chain is not present in RBCs? ✓ ✓......
ANSWER ....... Mitochondria
Which molecule is replenished by fermentation? ✓ ✓......
ANSWER ....... NAD+
Which pathway is triggered by the intake of carbs during
exercise? ✓ ✓...... ANSWER ....... Glycolysis
How many ATP molecules are used in the conversion of
pyruvate to glucose? ✓ ✓...... ANSWER ....... 6
Increased expression ✓ ✓...... ANSWER ....... Make
proteins
Decreased expression ✓ ✓...... ANSWER ....... Not
making proteins
Promoter ✓ ✓...... ANSWER ....... Start line
