Summer 2009 Workshop
in Biology and Multimedia
for High School Teachers
Ed Barry
Marian High School
Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
http://www.webweaver.nu/clipart/sports-baseball.shtml
http://en.wikipedia.org/wiki/File-Citrus_leaf.JPG[background image]
Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
What is the primary function of
photosynthesis?
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Identify the darkened molecule
en.wikipedia.org/wiki/Dihydroxyacetone_phosphate
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True or False The Calvin cycle
(= light-independent reactions)
can occur in a plant that is in
dark room so long as the
materials carbon dioxide, ATP,
and NADP-H are present.
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http://en.wikipedia.org/wiki/File:Calvin-cycle3.png
Identify
this cyclic
process
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What is the importance of
photosynthesis to living
things other than plants?
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http://en.wikipedia.org/wiki/File:G3P-3D-balls.png
Where is this
molecule
produced?
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What is an Accessory
Pigment or Antenna
Pigment?
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Supply the coefficients that
balance the follow equation
http://en.wikipedia.org/wiki/File:Photosynthesis.jpg
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In the thylakoid membranes, what is the main role of
the antenna pigment molecules?
A)to pass electrons to ferredoxin and then NADPH
B) to harvest photons and transfer light energy to the
reaction-center chlorophyll
C) to synthesize ATP from ADP and Pi
D) to concentrate photons inside the stroma
E) to split water and release oxygen to the reactioncenter chlorophyll
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WHERE
would you
typically find
this and other
like it?
http://en.wikipedia.org/wiki/File:Plant_stoma_guard_cells.png
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Summarize, in one sentence,
what happens during the light
dependent reactions of
photosynthesis.
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http://en.wikipedia.org/wiki/File:Thylakoid.png
WHERE in a plant would you
except to find many of these?
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http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg
IDENTIFY [at least 5/6 of] the blackened
anatomical leaf structures
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Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
Plants that
produce these
fruits ‘Do’ which
type of PS?
http://en.wikipedia.org/wiki/File:Pineapple1.JPG
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Chlorophyll is green because it
_?_ (absorbs, reflects, or
transmits) green wave lengths
of light.
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http://en.wikipedia.org/wiki/File:Thylakoid_membrane.png
What are the ‘Products’ of the Light-dependent
reactions?
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http://en.wikipedia.org/wiki/File:Thylakoid.png
What does this illustration represent?
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When a molecule loses an
electron, the molecule has
been _?_ (oxidized or
reduced or destroyed)
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IDENTIFY this
essential
component of
PS
[hint there are
TWO nitrogenbases attached to
sugars]
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http://en.wikipedia.org/wiki/File:NAD%2B_phys.svg
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When a molecule gains an
electron, the molecule has
_?_ (gained energy or lost
energy)
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What is the
ROLE of this
structure?
http://en.wikipedia.org/wiki/File:Plant_stoma_guard_cells.png
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Where does
the light
independent
reactions
occur?
http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg
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Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
Summarize, in one sentence,
what happens during the light
independent reactions of
photosynthesis.
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How is the oxygen produced in
PS?
http://en.wikipedia.org/wiki/File:Photosynthesis.jpg
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High energy electrons in
Photosystem I are used to
manufacture molecules of ?
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http://en.wikipedia.org/wiki/File:Thylakoid_membrane.png
What is the driving force that activates ATP
synthase
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Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
High energy electrons in
Photosystem II are used to
manufacture molecules of ?
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en.wikipedia.org/wiki/File-Calvin-cycle3.png
Which
major
enzyme
complex is
involved in
phase 1?
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The light reactions of photosynthesis
occur in the __________, and the
dark reactions occur in the
__________ of the chloroplast.
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Identify the
blackened
structures
http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg
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During noncyclic
photophosphorylation, water is
oxidized and the electrons from
water pass through photosystem
II and photosystem I before
reducing _____________.
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WHY can’t
pineapple
plants and
other related
plant rely on a
typical PS
pathway?
http://en.wikipedia.org/wiki/File:Pineapple1.JPG
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Identify the darkened molecule
en.wikipedia.org/wiki/Dihydroxyacetone_phosphate
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The overall source of energy
for photosynthesis is:
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http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg
What role do the vascular
bundles play in PS?
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What
might be
a factor
leading
to
varying
Chl-a
levels?
http://en.wikipedia.org/wiki/File:Seawifs_global_biosphere.jpg
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At one time, the lightindependent reactions were
referred to as the"dark
reactions" of
photosynthesis. Briefly
explain why this
terminology is misleading?
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http://en.wikipedia.org/wiki/File:Thylakoid_membrane.png
Which is the stroma side on thylakoid membrane?
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Why is Photorespiration a
concern when its known that
RUBISCO has a higher
affinity for CO2 than O2?
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These are
chlorophylls which is
chlorophyll a
and which is
chlorophyll b?
http://en.wikipedia.org/wiki/File:Chlorophyll_b.sv
http://en.wikipedia.org/wiki/File:Chlorophyll_a.sv
g
g
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Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
Organisms that can exist on light and an
inorganic form of carbon and other raw
materials
A) are called photoautotrophs.
B) are called heterotrophs.
C) are best classified as decomposers.
D)do not exist in nature.
E)are both C and D.
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en.wikipedia.org/wiki/File-G3P-3D-balls.png
Identify this
molecule
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Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
The following statements about the light reactions of
photosynthesis are all TRUE except:
A)RUBP carboxylase is activated by photons.
B) Electrons are transferred from water to NADP to
power of (+).
C)Chlorophyll (and other pigments) absorb light energy,
which excites electrons.
D)ATP is generated by photophosphorylation.
E)The splitting of water molecules provides a source of
electrons.
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What is the
ROLE of this
molecule in PS
http://en.wikipedia.org/wiki/File:NAD%2B_phys.svg
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Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
A new flower species has a unique photosynthetic
pigment. The leaves of this plant appear to be
reddish yellow. What wavelengths of visible light
are not being absorbed by this pigment?
A)green and yellow
B) blue and violet
C)green, blue, and violet
D)blue, green, and red
E) red and yellow
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What ‘type’ of PS do these plants do?
CORN
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en.wikipedia.org/wiki/File:Field,_corn,_Liechtenstein,_Mountains,_Alps,_Vaduz,_sky,_clouds,_landscape.j
pg
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Give 3 factors that affect the
rate of photosynthesis.
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What is the
ROLE of this
molecule in
the Calvin
cycle?
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Why are chloroplasts green?
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Under what conditions would
C4 and CAM photosynthesis be
advantageous?
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Explain the advantage of
chloroplast movement within
the cytoplasm of mesophyll
cells OR the solar tracking by
leaves for light interception.
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