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Photosynthesis Worksheet Answers
Interactive Question 10.1
a.
b.
c.
d.
e.
f.
Outer chloroplast membrane
Granum
Inner chloroplast membrane
Thylakoid space
Thylakoid
Stroma
Interactive Question 10.2
a.
b.
c.
d.
e.
f.
g.
h.
i.
Light
H2O
Light reactions
O2
ATP
NADPH
CO2
Calvin Cycle
G3P (glyceraldehyde-3-phosphate)
Interactive Question 10.6
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
Photosystem II
Chlorophyll a (P680)
H2O
1/2O2
Electrons
Primary electron acceptor
Electron transport chain (ETC)
Proton (H+) gradient
ATP (by chemiosmosis using ATP synthase)
Photosystem I
Chlorophyll a (P700)
Primary electron acceptor
NADP reductase
NADPH
Interactive Question 10.11
a.
b.
c.
d.
e.
f.
g.
Carbon fixation
Reduction phase
Regeneration of starting material
3 CO2
Ribulose bisphosphate (RuBP)
Rubisco (enzyme)
3-phosphoglycerate (3PGA)
1
h.
i.
j.
k.
6 ATP
6 ADP
1,3-bisphosphoglycerate (we did not discuss this one)
6 NADPH
6 NADP+
6 Pi (Pi = inorganic phosphate, meaning a phosphate when it is separated from some carbon compound and is
by itself)
l. Glyceraldehyde-3-phosphate (G3P)
m. G3P
n. Glucose and other organic molecules
o. 3 ATP
3 ADP + 3 Pi
Cellular Respiration Worksheet Answers
Interactive Question 9.1
a. C6H12O6, 6 CO2, ATP (= heat)
Interactive Question 9.2
a. Oxidized
b. Oxidizing agent
c. Reduced
Interactive Question 9.3
a. Oxygen
b. Glucose
c. Some is stored in ATP and some is released as heat
Interactive Question 9.4
a. Electron acceptor or oxidizing agent
b. NADH
Interactive Question 9.5
a.
b.
c.
d.
e.
f.
Glycolysis
Kreb’s cycle (citric acid cycle)
Electron transport chain and oxidative phosphorylation
Substrate-level phosphorylation
Substrate-level phosphorylation
Oxidative phosphorylation
Interactive Question 9.6
a. 2 ATP
b. 2 glyceraldehyde-3-phosphate (we did not discuss this G3P at this point of the pathway, but it happens to be the
same molecule that we see produced in the calvin cycle)
c. 2 NAD+
d. 2 NADH
e. 4 ATP (remember a total of 4 ATP are made in glycolysis, but it also requires 2 ATP so the net ATP is 2)
f. 2 pyruvate
2
Interactive Question 9.7
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
Pyruvate (from glycolysis)
CO2
NADH
CoA (coenzyme A)
Acetyl CoA
Oxaloacetate
Citrate
CO2
NADH
CO2
NADH
ATP
FADH2
NADH
Interactive Question 9.8
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
Intermembrane space
Inner mitochondrial membrane
Mitochondrial matrix
Electron transport chain
NADH + H+
NAD+
H+
2 H+ + 1/2O2
H2O
ATP synthase
ADP + Pi
ATP
Interactive Question 9.9
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
-2
4
Kreb’s cycle
32 or 34
38
2
6
2
2
2
3
Structure Your Knowledge
Process
Glycolysis
Main Function
Oxidation of glucose to pyruvate, 2 ATP net
Inputs
Glucose
Pyruvate to acetyl CoA
Oxidation of pyruvate to acetyl CoA, which
then enters Krebs cycle
2 pyruvate
Kreb’s cycle
Acetate from acetyl CoA is combined with
oxaloacetate to produce citrate, which is
cycled back to oxaloacetate as redox reactions
produce NADH andFADH2, ATP is formed by
substrate-level phosphorylation, and CO2 is
released
NADH (from glycolysis and Kreb’s) and FADH2
(from Kreb’s) transfer electrons to carrier
molecules in mitochondrial membrane. In a
series of redox reactions, H+ is pumped into
intermembrane space, and electrons are
delivered to 1/2O2 . The proton gradient drives
H+ through ATP synthase to make ATP
2 acetyl CoA
10 NADH
2 FADH2
oxygen
10 NAD+
2 FAD
H2O
34 ATP
Anaerobic respiration: glycolysis followed by
regenteration of NAD+ so glycolysis can
continue. Pyruvate is either reduced to
ethanol and CO2 or to lactate
See glycolysis
above
2 pyruvate
2 NADH
2 ATP
2 NAD+
2 ethanol and
2 CO2 OR 2
lactate
Electron Transport
Chain and
Chemiosmosis
Fermentation
Outputs
2 pyruvate
2 ATP
2 NADH
2 acetyl CoA
2 CO2
2 NADH
4 CO2
2 ATP
6 NADH
2 FADH2
4