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1. 
The hormone that is most likely to stimulate the process of glycolysis in normal metabolic activity is:
A.
glucagon
B.
insulin
C.
epinephirine
D.
cortisol
2. 
All regulatory enzymes are __________________.
A.
Irreversible
B.
Reversibile
C.
Transitioning
D.
Moving around
3. 
_________________ is the primary rate-limiting enzyme of glycolysis.
A.
Hexokinase
B.
Pyruvate kinase
C.
Phosphofructokuiase (PPK)
D.
aerobic glycolysis
4. 
glycolysis is inhibited by
A.
insulin
B.
glucagon
C.
sugar
D.
fat
5. 
The purpose of the transition reaction is to produce:
A.
ATP
B.
Acetyl-CoA
C.
Pyruvate
D.
Glucagon
6. 
The first reaction acting on acetyl CoA in the Kreb cycle is catalyzed by:
A.
Citrate Synthetase
B.
Malate Dehydrogenase
C.
Aconitase
D.
Succinyl-CoA Synthetase
7. 
There are ____ steps in the TCA cycle?
A.
6
B.
7
C.
8
D.
9
8. 
How many ATP are produced in the TCA cycle per molecule of glucose oxidized?
A.
24
B.
36
C.
32
D.
38
9. 
The electron transport chain occurs in what area of the cell
A.
Inner mitrochondrial membrane
B.
surface of mitochondrial membrane
C.
cytoplasm
D.
nucleuolus
10. 
Which process makes NADPH and 5 carbon sugars anerobically?
A.
glycolysis
B.
pentose phosphate pathway
C.
cori cycle
D.
lactic acid cycle
11. 
Step 2 of glycolysis, converting glucose 6-P to fructose 6-P is facilitated through the action of the enzyme
A.
phosphoglucose isomerase
B.
phosphofructokinase
C.
Glucokinase
12. 
The last step in glycolysis to yeild pyruvate is catalyzed by the enzyme:
A.
Pyruvate kinase
B.
enolase
C.
phosphoglycerate mutase
D.
phosphoglycerate kinase
13. 
All ten steps of glycolysis are reversible to perform gluconeogensis except steps: (choose all that apply)
A.
1
B.
2
C.
3
D.
10
14. 
in gluconeogensis, conversion of pyruvate to oxaloacetate to malate occurs where?
A.
mitochondria of liver cells
B.
cytoplasm of liver cells
C.
mitochondria of adipocytes
D.
cytoplasm of adipocytes
15. 
The Kreb's cycle occurs under _________ conditions.
A.
aerobic
B.
anaerobic
16. 
The enzyme that converts fumarate to malate in the Kreb's cycle is:
A.
Fumarase
B.
Malase
C.
Succinate dehydrogenase
D.
Malate dehydrogenase
17. 
The energy storing product of the reaction facilitated by succinate thiokinase in the Kreb's cycle is:
A.
ATP
B.
GTP
C.
NADH
D.
FADH
18. 
Actions of the electron transport chain yeild how many ATP?
A.
34
B.
38
C.
32
D.
24
19. 
Energy that drives the electron transport chain comes from:
A.
H+ traveling across the membrane
B.
Breakdown of ATP
C.
Concentration gradient of NA+
D.
Hydrogen being broken down into smaller molecules
20. 
In the cori cycle, to prevent lactic acid buildup in tissues, lactate is converted into _______via reduction of NAD+
A.
glucose
B.
pyruvate
C.
malate
D.
fumarase