Summer 2009 Workshop in Biology and Multimedia for High School Teachers Ed Barry Marian High School...

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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.

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.

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What is the primary function of photosynthesis?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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.

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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IDENTIFY [at least 5/6 of] the blackened anatomical leaf structures

http://en.wikipedia.org/wiki/File:Leaf_anatomy.svg

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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http://en.wikipedia.org/wiki/File:Pineapple1.JPG

Plants that produce

these fruits ‘Do’ which type of PS?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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]

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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When a molecule gains an electron, the

molecule has _?_ (gained energy or lost energy)

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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What is the ROLE of this structure?

http://en.wikipedia.org/wiki/File:Plant_stoma_guard_cells.png

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg

Where does the

light independe

nt reactions

occur?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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Summarize, in one sentence, what happens

during the light independent reactions of

photosynthesis.

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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 ?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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Which major

enzyme complex

is involved in phase

1?

en.wikipedia.org/wiki/File-Calvin-cycle3.png

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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The light reactions of photosynthesis occur in the

__________, and the dark reactions occur in the __________

of the chloroplast.

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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http://en.wikipedia.org/wiki/File:Chloroplast-new.jpg

Identify the

blackened structures

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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During noncyclic photophosphorylation, water is oxidized and the electrons

from water pass through photosystem II and

photosystem I before reducing _____________.

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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en.wikipedia.org/wiki/Dihydroxyacetone_phosphate

Identify the darkened molecule

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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?

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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.

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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Identify this molecule

en.wikipedia.org/wiki/File-G3P-3D-balls.png

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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.

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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

Life Sciences-HHMI Outreach. Copyright 2009 President and Fellows of Harvard College.

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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.