Name __________________________________
AP: LEAF STRUCTURE (p. 734) and
PHOTOSYNTHESIS (Ch. 10)
1.
What role do autotrophs fill in the
biosphere?_______________________________________________
2.
Label the diagram of
the leaf with the following structures.
Then, indicate how each structure within the leaf plays a role in
photosynthesis:
a.
stomata and guard cells
____________________________________________________________________
b.
mesophyll cells
____________________________________________________________________
c.
veins
_________________________________
__________________________________
3.
Label the diagram of the chloroplast with the
following structures. Then, indicate
how each structure within the chloroplast plays a role in photosynthesis:
a.
thylakoid membranes
_________________________________
_________________________________
b.
stroma
_________________________________
_________________________________
4.
What is the source of oxygen released from
photosynthesis?__________________________________
5.
In the overview of photosynthesis, indicate the most significant
function of:
a.
Light reaction
____________________________________________________________________
b.
Calvin cycle
_____________________________________________________________________
6.
Visible light has a wavelength range of
_______________________________________ .
7.
Plant light receptors absorb
_________________________________________ wavelengths of light and
reflect ___________________________________________wavelengths of light.
8.
Describe Engelmanns experiment using filamentous algae, a prism,
and aerobic bacteria.
9.
The porphyrin ring of chlorophyll contains the element
______________________________
10.
What does chlorophyll do when excited by photons? ________________________________________
_______________________________________________________________________________
11.
Label the diagram and explain the difference
between Photosystem I and Photosystem II.
__________________________________________________________________________
__________________________________________________________________________
__________________________________________________________________________
12.
How does cyclic differ from noncyclic photophosphorylation?
__________________________________________________________________________
__________________________________________________________________________
13.
To generate ATP, chloroplasts rely on the ETC to
_________________________________
and ATP is synthesized when:
_________________________________________________
__________________________________________________________________________
14.
Within the thylakoid membrane and stroma, indicate what happens to
each of the following:
a.
water __________________________________________________________________
b.
high energy electrons
_____________________________________________________
c.
H+
____________________________________________________________________
d.
oxygen
________________________________________________________________
e.
NADP+
________________________________________________________________
f.
ADP
__________________________________________________________________
15.
Where in the chloroplast is the H+ concentration highest?
_______________________________
16.
What happens during carbon fixation?
__________________________________________
__________________________________________________________________________
17.
List the materials the plant uses during the Calvin cycle and the
source of the materials.
__________________________________________________________________________
__________________________________________________________________________
18.
The products of the Calvin cycle are
____________________________________________
__________________________________________________________________________
19.
What environmental and internal challenges have forced both C4 and
CAM plants to evolve alternatives to the photosynthesis system used by other
plants?_____________________________
__________________________________________________________________________
20.
Why do high oxygen levels inhibit photosynthesis?
________________________________
__________________________________________________________________________
21.
What happens during photorespiration and why is it considered bad
for plants?
__________________________________________________________________________
__________________________________________________________________________
22.
What evolutionary adaptations to the Calvin cycle are seen in C4
plants like sugar cane?
_________________________________________________________________________
__________________________________________________________________________
23.
Draw a diagram to show the anatomical adaptations seen in C4
plants to accommodate their variation on the Calvin cycle.
24.
What evolutionary adaptation to the Calvin cycle is seen in CAM
plants like cacti?
__________________________________________________________________________