BIO 311C Exam 3 QUESTIONS AND ANSWERS A+ GRADED
Where does glycolysis take place?
Cytoplasm
What are the inputs of glycolysis?
Glucose, NAD+, ADP, Pi
What are the outputs of glycolysis?
Pyruvate, NADH, ATP
Glycolysis step 1
hexokinase
Glycolysis step 3
phosphofructokinase (PFK)
Whe...
Where does glycolysis take place?
Cytoplasm
What are the inputs of glycolysis?
Glucose, NAD+, ADP, Pi
What are the outputs of glycolysis?
Pyruvate, NADH, ATP
Glycolysis step 1
hexokinase
Glycolysis step 3
phosphofructokinase (PFK)
Where does Acetyl CoA take place?
Cytoplasm -> Matrix
What are the inputs of Acetyl CoA?
Pyruvate, CoA, NAD+
What are the outputs of Acetyl CoA?
CO2, Acetyl CoA, NADH
Acetyl CoA step 1
Pyruvate dehydrogenase
Where does the Krebs cycle take place?
Matrix
What are the inputs of the Krebs cycle?
H2O, Acetyl CoA, NAD+, ADP, Pi, FAD
What are the outputs of the Krebs cycle?
O2, CoA, NADH, ATP, FADH2
Krebs cycle step 1
citrate synthase
Krebs cycle step 3
isocitrate dehydrogenase
Poisons of the Krebs cycle
uncouplers of the H+ gradient
ATP synthase inhibitors
electron transport inhibitors
Where does oxidative phosphorylation take place?
Inner member of mitochondria
What are the inputs of oxidative phosphorylation?
O2, NADH, FADH2, ADP, Pi
What are the outputs of oxidative phosphorylation?
H2O, NAD+, FAD, ATP
What are the 4 steps of respiration (in order)?
, Glycolysis -> Acetyl CoA -> Krebs cycle -> oxidative phosphorylation
What is the respiration reaction?
C6H12O6 + 6O2 -> 6CO2 + 6H2O + Energy
Which part of the respiration reaction is reduction?
6O2 -> 6H2O
Which part of the respiration reaction is oxidation?
C6H12O6 -> 6CO2
Which part of the respiration reaction is the oxidizing agent?
6O2
Which part of the respiration reaction is the reducing agent?
C6H12O6
Which type of respiration do sprinters use?
Lactic acid fermentation
Which type of respiration do marathon runners use?
Oxidative phosphorylation
Alcohol fermentation inputs
glucose, ADP, Pi
Alcohol fermentation outputs
ethanol, ATP, CO2
Lactic acid fermentation inputs
glucose, ADP, Pi
Lactic acid fermentation outputs
lactate, ATP
Which type of anaerobic fermentation can animals use?
ONLY lactic acid fermentation
Which parts of respiration do proteins go through?
Deamination -> Krebs cycle -> oxidative phosphorylation
Which parts of respiration do sugars go through?
All parts
Which parts of respiration do fats go through?
Glycerol: G3P -> All
Fatty acids: beta-oxidation -> Acetyl CoA -> Krebs -> OP
Where do light reactions happen in the cell?
thylakoid membrane
Stomata in plant cells
O2 and CO2 enter/leave
On the epidermis of the plant
Can open and close for H2O vapor leaving depending on environment
Which photosystem goes through cyclic light rxns?
PS1
Which photosystem is first for non-cyclic light rxns?
PS2
Non-cyclic inputs
light, H2O, NADP+, ADP, Pi
Non-cyclic outputs
2H + 1/2O2, NADPH, ATP
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