ACS BIOCHEMISTRY FIRST SEMESTER EXAM
2026 ACTUAL EXAM COMPLETE 100+
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) /
ACS BIOCHEMISTRY FINAL EXAM BANK
ALREADY GRADED A+
Enzyme Regulation (ALL 5) - CORRECT ANSWER ✔✔- 1. Isozymes
2. Phosphorylation
3. Zymogens
4. Enzyme concentration
5. Allosteric Control
I, P, Z, E, A
Enzyme Regulation (I) - CORRECT ANSWER ✔✔- Isozymes = Multiple enzyme
forms - different forms of the enzyme can regulate, altered kinetic parameters
Enzyme Regulation (P) - CORRECT ANSWER ✔✔- Phosphorylation/kinases -
covalent modifications of proteins can activate/deactivate protein function
add/remove groups
Phosphorylation/dephosphorylation
Pg. 1
,Enzyme Regulation (Z) - CORRECT ANSWER ✔✔- zymogens - inactive form of
enzyme - activated by cleavage
Enzyme Regulation (E) - CORRECT ANSWER ✔✔- Enzyme concentration -
concentration of enzyme can control and regulate rate at which reaction is
completed
Enzyme Regulation (A) - CORRECT ANSWER ✔✔- Allosteric Control - additional
binding sites on enzyme that regulate activity - active sites that can inactivate or
activate
Ketose and aldose - CORRECT ANSWER ✔✔-
pyranose and furanose - CORRECT ANSWER ✔✔-
glucose ring structure - CORRECT ANSWER ✔✔-
fructose ring structure - CORRECT ANSWER ✔✔-
D/L Carbon - CORRECT ANSWER ✔✔- 1st achiral farthest from anomeric
anomeric carbon - CORRECT ANSWER ✔✔- determines alpha or beta
ribose and deoxyribose - CORRECT ANSWER ✔✔-
Pg. 2
,glycosidic bonds - CORRECT ANSWER ✔✔-
Fatty acid structure - CORRECT ANSWER ✔✔-
Phospholipid/triglyceride - CORRECT ANSWER ✔✔- have no carbs for energy use -
use lipids because lipids are easily stored
they serve in the cell membrane as a bi layer - highly impermeable to polar
molecules
NADH structure - CORRECT ANSWER ✔✔-
FADH2 - CORRECT ANSWER ✔✔-
glycolysis - CORRECT ANSWER ✔✔- glucose (hexokinase)
glucose 6 phosphate (phosphoglucose isomerase)
Fructose 6 phosphate (phosphofructokinase)
Fructose 1,6 bisphosphate (aldolase)
diydroxyacetone (Triose phosphate isomerase)
Glyceraldehyde 3 phosphate (glyceraldehyde 3 phosphate dehydrogenase)
1,3 bisphosphoglycerate (phosphoglycerate kinase)
3 phosphoglycerate (phosphoglycerate mutase)
2 phophoglycerate (enolase)
Phosphoenolpyruvate (pyruvate kinase)
Pyruvate
Pg. 3
, Glycolysis produces - CORRECT ANSWER ✔✔- 1 NADH
2 ATP
alternates to glycolysis - CORRECT ANSWER ✔✔- galactose (galactokinase) --> G6P
fructose --> F6P
Metabolic disorders - CORRECT ANSWER ✔✔- 1. low lactose formation
2. galactosemia - cannot convert galactose to glucose
Gluconeogensis differences from glycolysis - CORRECT ANSWER ✔✔- pyruvate
(pyruvate carboxylase)
Oxaloacetate (phosphoenolpyruvate carboxykinase)
F1,6BP (fructose 1,6 bisphosphatase)
F6P
G6P (glucose 6 phosphatase)
ACS Biochemistry Final
pKa (chapter 3) - CORRECT ANSWER ✔✔- measure of the tendency of a group to
give up a proton (acidity); tendency decreases tenfold as pKa increases by one
unit
Pg. 4
2026 ACTUAL EXAM COMPLETE 100+
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) /
ACS BIOCHEMISTRY FINAL EXAM BANK
ALREADY GRADED A+
Enzyme Regulation (ALL 5) - CORRECT ANSWER ✔✔- 1. Isozymes
2. Phosphorylation
3. Zymogens
4. Enzyme concentration
5. Allosteric Control
I, P, Z, E, A
Enzyme Regulation (I) - CORRECT ANSWER ✔✔- Isozymes = Multiple enzyme
forms - different forms of the enzyme can regulate, altered kinetic parameters
Enzyme Regulation (P) - CORRECT ANSWER ✔✔- Phosphorylation/kinases -
covalent modifications of proteins can activate/deactivate protein function
add/remove groups
Phosphorylation/dephosphorylation
Pg. 1
,Enzyme Regulation (Z) - CORRECT ANSWER ✔✔- zymogens - inactive form of
enzyme - activated by cleavage
Enzyme Regulation (E) - CORRECT ANSWER ✔✔- Enzyme concentration -
concentration of enzyme can control and regulate rate at which reaction is
completed
Enzyme Regulation (A) - CORRECT ANSWER ✔✔- Allosteric Control - additional
binding sites on enzyme that regulate activity - active sites that can inactivate or
activate
Ketose and aldose - CORRECT ANSWER ✔✔-
pyranose and furanose - CORRECT ANSWER ✔✔-
glucose ring structure - CORRECT ANSWER ✔✔-
fructose ring structure - CORRECT ANSWER ✔✔-
D/L Carbon - CORRECT ANSWER ✔✔- 1st achiral farthest from anomeric
anomeric carbon - CORRECT ANSWER ✔✔- determines alpha or beta
ribose and deoxyribose - CORRECT ANSWER ✔✔-
Pg. 2
,glycosidic bonds - CORRECT ANSWER ✔✔-
Fatty acid structure - CORRECT ANSWER ✔✔-
Phospholipid/triglyceride - CORRECT ANSWER ✔✔- have no carbs for energy use -
use lipids because lipids are easily stored
they serve in the cell membrane as a bi layer - highly impermeable to polar
molecules
NADH structure - CORRECT ANSWER ✔✔-
FADH2 - CORRECT ANSWER ✔✔-
glycolysis - CORRECT ANSWER ✔✔- glucose (hexokinase)
glucose 6 phosphate (phosphoglucose isomerase)
Fructose 6 phosphate (phosphofructokinase)
Fructose 1,6 bisphosphate (aldolase)
diydroxyacetone (Triose phosphate isomerase)
Glyceraldehyde 3 phosphate (glyceraldehyde 3 phosphate dehydrogenase)
1,3 bisphosphoglycerate (phosphoglycerate kinase)
3 phosphoglycerate (phosphoglycerate mutase)
2 phophoglycerate (enolase)
Phosphoenolpyruvate (pyruvate kinase)
Pyruvate
Pg. 3
, Glycolysis produces - CORRECT ANSWER ✔✔- 1 NADH
2 ATP
alternates to glycolysis - CORRECT ANSWER ✔✔- galactose (galactokinase) --> G6P
fructose --> F6P
Metabolic disorders - CORRECT ANSWER ✔✔- 1. low lactose formation
2. galactosemia - cannot convert galactose to glucose
Gluconeogensis differences from glycolysis - CORRECT ANSWER ✔✔- pyruvate
(pyruvate carboxylase)
Oxaloacetate (phosphoenolpyruvate carboxykinase)
F1,6BP (fructose 1,6 bisphosphatase)
F6P
G6P (glucose 6 phosphatase)
ACS Biochemistry Final
pKa (chapter 3) - CORRECT ANSWER ✔✔- measure of the tendency of a group to
give up a proton (acidity); tendency decreases tenfold as pKa increases by one
unit
Pg. 4
