D.Cardenas NSTA Oct2015
CELLULAR RESPIRATION
Fill in all the squares and answer the questions.
Balance the equation:
C6H12O6 +
O2
glucose
oxygen
CO2
+
carbon dioxide
H2O +
water
total ATPs
energy
Label the stages: Glycolysis, Citric Acid Cycle (also called the Krebs cycle), and Oxidative
Phosphorylation (involves ETC + chemiosmosis).
FOOD
GLUCOSE
ATP
Label this stage
NADH
PYRUVATE
PYRUVATE
CO2
CO2
PYRUVATE
OXIDATION
NADH
NADH
ACETYL-CoA
ACETYL-CoA
NADH
NADH
Label this stage
FADH2
FADH2
ATP
ATP
CO2
CO2
Sum:
NADH x 2.5 ATP =
Label this stage
FADH2 x 1.5 ATP =
ATP
D.Cardenas NSTA Oct2015
Total number of ATPs made through oxidative phosphorylation
Total number of ATPs made through substrate-level
phosphorylation
Which phosphorylation type (substrate-level or oxidative
phosphorylation) provides more ATPs?
Gross (total) ATPs (if electrons are passed to NAD+ shuttle)
Net ATPs (if electrons in Glycolysis are passed to FAD shuttle)
How efficient is cellular respiration?
% efficient = total ATP X 7.3 Kcal/686 Kcal X 100
How many carbon atoms are there in *one* molecule of:
Glucose
Pyruvate
Acetyl
Carbon dioxide
D.Cardenas NSTA Oct2015
CELLULAR RESPIRATION KEY
Fill in all the squares and answer the questions.
1
Balance the equation:
C6H12O6 + 6
O2
glucose
oxygen
6
CO2
+
carbon dioxide
H2O +
water
6
32
total ATPs
energy
Label the stages: Glycolysis, Citric Acid Cycle (also called the Krebs cycle), and Oxidative
Phosphorylation (involves ETC + chemiosmosis).
FOOD
GLUCOSE
2
2
PYRUVATE
1
ATP
Label this stage
GLYCOLYSIS
NADH
PYRUVATE
CO2
1
CO2
PYRUVATE
OXIDATION
NADH
1
NADH
ACETYL-CoA
1
1
2
ACETYL-CoA
NADH
3
1
NADH
FADH2
FADH2
3
Label this stage
CITRIC ACID
CYCLE (or
KREBS CYCLE
1
ATP
ATP
1
2
CO2
Sum:
10
NADH x 2.5 ATP =
25
2
FADH2 x 1.5 ATP =
3
28
CO2
Label this stage
OXIDATIVE
PHOSPHORYLATION
ATP
D.Cardenas NSTA Oct2015
Total number of ATPs made through oxidative phosphorylation
28
Total number of ATPs made through substrate-level
phosphorylation
4
Which phosphorylation type (substrate-level or oxidative
phosphorylation) provides more ATPs?
Oxidative
Phos.
Gross (total) ATPs (if electrons are passed to NAD+ shuttle)
32
Net ATPs (if electrons in Glycolysis are passed to FAD shuttle)
30
How efficient is cellular respiration?
34 %
% efficient = total ATP X 7.3 Kcal/686 Kcal X 100
How many carbon atoms are there in *one* molecule of:
Glucose
Six…C6
Pyruvate
Three …C3
Acetyl
Two…C2
Carbon dioxide
One…C
D.Cardenas NSTA Oct2015
FERMENTATION
Fill in all the squares and answer the questions.
Balance the equation for Alcoholic fermentation (produced by yeast)
C6H12O6
glucose
CH3CH2 OH
ethanol
+
CO2
+
carbon dioxide
ATPs
energy
GLUCOSE
ATP
NADH
PYRUVATE
PYRUVATE
CO2
NADH
CO2
NADH
NAD+
ETHANOL
Alcoholic Fermentation :
Net ATPs
Net NADH
% efficient
% efficient = ATP X 7.3 kcal/686 kcal X 100
NAD+
ETHANOL
How many carbon atoms in one:
Glucose
Pyruvate
Ethanol
Carbon dioxide
D.Cardenas NSTA Oct2015
Balance the equation for Lactic Acid fermentation (produced by muscle cells)
C6H12O6
glucose
CH3CH(OH)CO2H +
lactic acid
ATPs
energy
CH3CH(OH)CO2− +
lactate
ATPs
energy
or
C6H12O6
glucose
GLUCOSE
ATP
NADH
PYRUVATE
PYRUVATE
NADH
NAD+
LACTIC ACID or
LACTATE
Lactic Acid Fermentation :
Net ATPs
Net NADH
% efficient
% efficient = ATP X 7.3 kcal/686 kcal X 100
NADH
NAD+
LACTIC ACID or
LACTATE
How many carbon atoms in one:
Glucose
Pyruvate
Lactic Acid
Carbon dioxide
D.Cardenas NSTA Oct2015
FERMENTATION KEY
Fill in all the squares and answer the questions.
Balance the equation for Alcoholic fermentation (produced by yeast)
1
C6H12O6
glucose
CH3CH2 OH
ethanol
2
+
CO2
+
carbon dioxide
2
2
ATPs
energy
GLUCOSE
2
ATP
2
NADH
PYRUVATE
1
PYRUVATE
CO2
NADH
1
NAD+
ETHANOL
Alcoholic Fermentation :
Net ATPs
2
Net NADH
0
% efficient
2%
% efficient = ATP X 7.3 kcal/686 kcal X 100
1
CO2
NADH
1
NAD+
ETHANOL
How many carbon atoms in one:
Glucose
Six
Pyruvate
Three
Ethanol
Two
Carbon dioxide
One
D.Cardenas NSTA Oct2015
Balance the equation for Lactic Acid fermentation (produced by muscle cells)
1
C6H12O6
glucose
2
CH3CH(OH)CO2H +
lactic acid
2
CH3CH(OH)CO2− +
lactate
2
ATPs
energy
2
ATPs
energy
or
1
C6H12O6
glucose
GLUCOSE
2
ATP
2
NADH
PYRUVATE
PYRUVATE
NADH
1
NAD+
LACTIC ACID or
LACTATE
Lactic Acid Fermentation :
Net ATPs
2
Net NADH
0
% efficient
2%
% efficient = ATP X 7.3 kcal/686 kcal X 100
NADH
1
NAD+
LACTIC ACID or
LACTATE
How many carbon atoms in one:
Glucose
Six
Pyruvate
Three
Lactic Acid
Three
Carbon dioxide
One
D.Cardenas NSTA Oct2015