WGU BIOCHEMISTRY OA COMPREHENSIVE EXAM
2025/2026 QUESTIONS WITH ANSWERS RATED A+
✔✔example of disaccharide - ✔✔sucrose, lactose, maltose
✔✔Example of polysaccharide - ✔✔starch, glycogen, cellulose
✔✔How many carbons does a monosaccarhide have? - ✔✔3-6
✔✔poly saccharides w/alpha links: - ✔✔amylose (starch)
✔✔poly saccharides w/beta links: - ✔✔Cellulose
✔✔Poly saccharides that can be broken down by our enzymes: - ✔✔Amylose
✔✔Poly saccharides that can't be broken down by our enzymes - ✔✔Cellulose
✔✔Digestable sugars; example - ✔✔Alpha linkages; glycogen
✔✔Non-digestable sugars; example - ✔✔Beta linkages; cellulose
✔✔Glu T transporters- - ✔✔have strong affinity for binding glucose and allow entry via
facilitated diffusion
✔✔Glycolysis occurs in which conditions - ✔✔aerobic and anaerobic
✔✔The process that breaks down fatty acids - ✔✔Beta oxidation
✔✔The process that breaks down amino acids - ✔✔deamination
✔✔The two carbon compounds that sugars, a.a., f.a, are converted to - ✔✔acetly-coa
✔✔the process that breaks down glucose - ✔✔glycolysis
✔✔The process that uses energy stored in the form of electrons and converts it to ATP
- ✔✔oxidative phosphrylation
✔✔The common molecule that enters the citric acid cycle regardless of which fuel
compound is being broken down - ✔✔Acetyl-CoA
✔✔Glycolysis
inputs, outputs and location - ✔✔Glucose
Pyruvate
, Cytosol
✔✔Citric acid cycle
inputs, outputs and location - ✔✔acetyl-CoA
FADH2, NADH, GTP, Co2
Mitchondrial Matrix
✔✔Electron Transport Chain
Inputs, outputs and location - ✔✔E- donated from NADH and FADH2
H+, H2O, ATP
Mitchondria inner membrane
✔✔Fatty Acids enter the citric acid cycle how? and what does it become? - ✔✔Through
beta oxidation
Acetyl-CoA
✔✔The glycerol portion of a lipid enters the c.a.c how? - ✔✔Glycolysis
✔✔Amino Acids enter c.a.c. how? - ✔✔Through being converted to pyruvate or Acetyl-
CoA
✔✔Accumlations of NADH inhibits what? - ✔✔Electron Transport chain
✔✔Glycation - ✔✔covalent bonding of a protein to a sugar molecule (non-enzymatic)
and impairs protein function; this damages tissues
✔✔Normal HbA1c levels (glycated Hb) - ✔✔<5%
✔✔At what level HbA1c is diabetes diagonosed at? - ✔✔>6%
✔✔Saturated fats - ✔✔contain no C-C bonds in their fatty acid chain
-C atoms are saturated with Hydrogen atoms
✔✔Unsaturated fats - ✔✔Have less hydrogen
Unsaturated Carbon bonds
Have at least 1 double bonded carbon in the chain
✔✔Fat Soluble vitamins - ✔✔Vitamins A, D, E, K
✔✔Short Chain fatty acid - ✔✔4-7 carbons
Found in Milk
Liquid in the Fridge
✔✔Medium chain fatty acid - ✔✔8-12 Carbon atoms
2025/2026 QUESTIONS WITH ANSWERS RATED A+
✔✔example of disaccharide - ✔✔sucrose, lactose, maltose
✔✔Example of polysaccharide - ✔✔starch, glycogen, cellulose
✔✔How many carbons does a monosaccarhide have? - ✔✔3-6
✔✔poly saccharides w/alpha links: - ✔✔amylose (starch)
✔✔poly saccharides w/beta links: - ✔✔Cellulose
✔✔Poly saccharides that can be broken down by our enzymes: - ✔✔Amylose
✔✔Poly saccharides that can't be broken down by our enzymes - ✔✔Cellulose
✔✔Digestable sugars; example - ✔✔Alpha linkages; glycogen
✔✔Non-digestable sugars; example - ✔✔Beta linkages; cellulose
✔✔Glu T transporters- - ✔✔have strong affinity for binding glucose and allow entry via
facilitated diffusion
✔✔Glycolysis occurs in which conditions - ✔✔aerobic and anaerobic
✔✔The process that breaks down fatty acids - ✔✔Beta oxidation
✔✔The process that breaks down amino acids - ✔✔deamination
✔✔The two carbon compounds that sugars, a.a., f.a, are converted to - ✔✔acetly-coa
✔✔the process that breaks down glucose - ✔✔glycolysis
✔✔The process that uses energy stored in the form of electrons and converts it to ATP
- ✔✔oxidative phosphrylation
✔✔The common molecule that enters the citric acid cycle regardless of which fuel
compound is being broken down - ✔✔Acetyl-CoA
✔✔Glycolysis
inputs, outputs and location - ✔✔Glucose
Pyruvate
, Cytosol
✔✔Citric acid cycle
inputs, outputs and location - ✔✔acetyl-CoA
FADH2, NADH, GTP, Co2
Mitchondrial Matrix
✔✔Electron Transport Chain
Inputs, outputs and location - ✔✔E- donated from NADH and FADH2
H+, H2O, ATP
Mitchondria inner membrane
✔✔Fatty Acids enter the citric acid cycle how? and what does it become? - ✔✔Through
beta oxidation
Acetyl-CoA
✔✔The glycerol portion of a lipid enters the c.a.c how? - ✔✔Glycolysis
✔✔Amino Acids enter c.a.c. how? - ✔✔Through being converted to pyruvate or Acetyl-
CoA
✔✔Accumlations of NADH inhibits what? - ✔✔Electron Transport chain
✔✔Glycation - ✔✔covalent bonding of a protein to a sugar molecule (non-enzymatic)
and impairs protein function; this damages tissues
✔✔Normal HbA1c levels (glycated Hb) - ✔✔<5%
✔✔At what level HbA1c is diabetes diagonosed at? - ✔✔>6%
✔✔Saturated fats - ✔✔contain no C-C bonds in their fatty acid chain
-C atoms are saturated with Hydrogen atoms
✔✔Unsaturated fats - ✔✔Have less hydrogen
Unsaturated Carbon bonds
Have at least 1 double bonded carbon in the chain
✔✔Fat Soluble vitamins - ✔✔Vitamins A, D, E, K
✔✔Short Chain fatty acid - ✔✔4-7 carbons
Found in Milk
Liquid in the Fridge
✔✔Medium chain fatty acid - ✔✔8-12 Carbon atoms
