ACS BIOCHEMISTRY EXAM | QUESTIONS AND ANSWERS | VERIFIED ANSWERS
GRADED A+ | LATEST EXAM
Step 1 of Glycolysis - CORRECT ANSWER - Glucose --> Glucose 6-
phosphate. Uses hexokinase enzyme.
ATP --> ADP
Step 2 of Glycolysis - CORRECT ANSWER - Glucose 6-phosphate <-->
Fructose 6-phosphate
Uses phosphohexose isomerase enzyme.
Step 3 of Glycolysis - CORRECT ANSWER - Fructose 6-phosphate -->
Fructose 1,6-bisphosphate
Uses PFK-1 (phosphofructokinase-1) enzyme. ATP --> ADP
First Committed Step of Glycolysis - CORRECT ANSWER - Step 3 of
Glycolysis. Fructose 6-Phosphate --> Fructose 1,6-bisphosphate. (PFK-1)
,Step 4 of Glycolysis - CORRECT ANSWER - Fructose 1,6-bisphosphate <-->
dihydroxyacetone + glyceraldehyde 3-phosphate.
Uses aldolase enzyme.
Step 5 of Glycolysis - CORRECT ANSWER - Dihydroxyacetonephosphate <-
-> glyceraldehyde 3-phosphate
Uses triose phosphate isomerase enzyme.
Step 6 of Glycolysis - CORRECT ANSWER - Glyceraldehyde 3-Phosphate +
Pi <-
-> 1,3-biphosphoglycerate.
Uses G3P dehydrogenase enzyme. NAD+ <--> NADH
First Energy Yielding Step of Glycolysis - CORRECT ANSWER - Step 6 of
Glycolysis.
G3P + Pi <--> 1,3-bisphosphoglycerate
Step 7 of Glycolysis - CORRECT ANSWER - 1,3-bisphosphoglycerate + ADP
<--> 3-phosphoglycerate + ATP
,Uses phosphoglycerate kinase enzyme.
First ATP Yielding Step of Glycolysis - CORRECT ANSWER - Step 7 of
Glycolysis.
1,3-bisphosphoglycerate <--> 3-phosphoglycerate
Step 8 of Glycolysis - CORRECT ANSWER - 3-phosphoglycerate <--> 2-
phosphoglycerate
Uses phosphoglycerate mutase enzyme.
Step 9 of Glycolysis - CORRECT ANSWER - 2-phosphoglycerate <-->
Phosphoenolpyruvate (PEP)
Uses enolase enzyme.
Dehydration reaction (loss of water).
Step 10 of Glycolysis - CORRECT ANSWER - PEP + ADP --> Pyruvate +
ATP Uses pyruvate kinase enzyme.
, ATP Consuming Steps of Glycolysis - CORRECT ANSWER - Step 1 and 3.
Glucose --> Glucose 6-phosphate
Fructose 6-phosphate --> Fructose 1,6-bisphosphate
ATP Producing Steps of Glycolysis - CORRECT ANSWER - Steps 7 and 10.
1,3-bisphosphoglycerate <--> 3-phosphoglycerate
PEP --> Pyruvate
NADH Producing Step of Glycolysis - CORRECT ANSWER - Step 6 G3P <--
> 1,3-bisphosphoglycerate
Total Energy Produced by Glycolysis - CORRECT ANSWER - 2NADH + 4
ATP
Lactic Acid Fermentation - CORRECT ANSWER - Pyruvate --> L-Lactate
NADH --> NAD+
Regenerates NAD+ for use in glycolysis
GRADED A+ | LATEST EXAM
Step 1 of Glycolysis - CORRECT ANSWER - Glucose --> Glucose 6-
phosphate. Uses hexokinase enzyme.
ATP --> ADP
Step 2 of Glycolysis - CORRECT ANSWER - Glucose 6-phosphate <-->
Fructose 6-phosphate
Uses phosphohexose isomerase enzyme.
Step 3 of Glycolysis - CORRECT ANSWER - Fructose 6-phosphate -->
Fructose 1,6-bisphosphate
Uses PFK-1 (phosphofructokinase-1) enzyme. ATP --> ADP
First Committed Step of Glycolysis - CORRECT ANSWER - Step 3 of
Glycolysis. Fructose 6-Phosphate --> Fructose 1,6-bisphosphate. (PFK-1)
,Step 4 of Glycolysis - CORRECT ANSWER - Fructose 1,6-bisphosphate <-->
dihydroxyacetone + glyceraldehyde 3-phosphate.
Uses aldolase enzyme.
Step 5 of Glycolysis - CORRECT ANSWER - Dihydroxyacetonephosphate <-
-> glyceraldehyde 3-phosphate
Uses triose phosphate isomerase enzyme.
Step 6 of Glycolysis - CORRECT ANSWER - Glyceraldehyde 3-Phosphate +
Pi <-
-> 1,3-biphosphoglycerate.
Uses G3P dehydrogenase enzyme. NAD+ <--> NADH
First Energy Yielding Step of Glycolysis - CORRECT ANSWER - Step 6 of
Glycolysis.
G3P + Pi <--> 1,3-bisphosphoglycerate
Step 7 of Glycolysis - CORRECT ANSWER - 1,3-bisphosphoglycerate + ADP
<--> 3-phosphoglycerate + ATP
,Uses phosphoglycerate kinase enzyme.
First ATP Yielding Step of Glycolysis - CORRECT ANSWER - Step 7 of
Glycolysis.
1,3-bisphosphoglycerate <--> 3-phosphoglycerate
Step 8 of Glycolysis - CORRECT ANSWER - 3-phosphoglycerate <--> 2-
phosphoglycerate
Uses phosphoglycerate mutase enzyme.
Step 9 of Glycolysis - CORRECT ANSWER - 2-phosphoglycerate <-->
Phosphoenolpyruvate (PEP)
Uses enolase enzyme.
Dehydration reaction (loss of water).
Step 10 of Glycolysis - CORRECT ANSWER - PEP + ADP --> Pyruvate +
ATP Uses pyruvate kinase enzyme.
, ATP Consuming Steps of Glycolysis - CORRECT ANSWER - Step 1 and 3.
Glucose --> Glucose 6-phosphate
Fructose 6-phosphate --> Fructose 1,6-bisphosphate
ATP Producing Steps of Glycolysis - CORRECT ANSWER - Steps 7 and 10.
1,3-bisphosphoglycerate <--> 3-phosphoglycerate
PEP --> Pyruvate
NADH Producing Step of Glycolysis - CORRECT ANSWER - Step 6 G3P <--
> 1,3-bisphosphoglycerate
Total Energy Produced by Glycolysis - CORRECT ANSWER - 2NADH + 4
ATP
Lactic Acid Fermentation - CORRECT ANSWER - Pyruvate --> L-Lactate
NADH --> NAD+
Regenerates NAD+ for use in glycolysis
