Summer 2009 Workshopin Biology and Multimedia for High School TeachersEd Barry Marian High School
Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.
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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.
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What is the primary function of photosynthesis?
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en.wikipedia.org/wiki/Dihydroxyacetone_phosphate
Identify the darkened molecule
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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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Where is this molecule
produced?
http://en.wikipedia.org/wiki/File:G3P-3D-balls.png
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What is an Accessory Pigment or Antenna
Pigment?
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http://en.wikipedia.org/wiki/File:Photosynthesis.jpg
Supply the coefficients that balance the follow equation
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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 reaction-center 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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IDENTIFY [at least 5/6 of] the blackened anatomical leaf structures
http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg
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http://en.wikipedia.org/wiki/File:Pineapple1.JPG
Plants that produce
these fruits ‘Do’ which type of PS?
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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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http://en.wikipedia.org/wiki/File:NAD%2B_phys.svg
IDENTIFY this essential
component of PS
[hint there are TWO nitrogen-bases attached
to sugars]
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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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http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg
Where does the
light independe
nt reactions
occur?
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Summarize, in one sentence, what happens
during the light independent reactions of
photosynthesis.
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http://en.wikipedia.org/wiki/File:Photosynthesis.jpg
How is the oxygen produced in PS?
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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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High energy electrons in Photosystem II are used
to manufacture molecules of ?
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Which major
enzyme complex
is involved in phase
1?
en.wikipedia.org/wiki/File-Calvin-cycle3.png
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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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http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg
Identify the
blackened structures
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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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http://en.wikipedia.org/wiki/File:Pineapple1.JPG
WHY can’t pineapple plants and
other related plant rely on a typical PS pathway?
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en.wikipedia.org/wiki/Dihydroxyacetone_phosphate
Identify the darkened molecule
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The overall source of energy for photosynthesis
is:
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What role do the vascular bundles play in PS?
http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg
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http://en.wikipedia.org/wiki/File:Seawifs_global_biosphere.jpg
What might be a
factor leading
to varying Chl-a
levels?
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At one time, the light-independent 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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http://en.wikipedia.org/wiki/File:Chlorophyll_b.svg
http://en.wikipedia.org/wiki/File:Chlorophyll_a.svg
These are chlorophylls -
which is chlorophyll a and which is
chlorophyll b?
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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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Identify this molecule
en.wikipedia.org/wiki/File-G3P-3D-balls.png
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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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http://en.wikipedia.org/wiki/File:NAD%2B_phys.svg
What is the ROLE of this molecule in
PS
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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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CORN
What ‘type’ of PS do these plants do?
en.wikipedia.org/wiki/File:Field,_corn,_Liechtenstein,_Mountains,_Alps,_Vaduz,_sky,_clouds,_landscape.jpg
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Give 3 factors that affect the rate of photosynthesis.
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http://en.wikipedia.org/wiki/File:Rubisco.png
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.