study sheet for chapter 8 test
DESCRIPTION
Study Sheet for Chapter 8 Test. ANSWERS. 1. EQUATION. For photosynthesis 6 H 2 O + 6 CO 2 -----> C 6 H 12 O 6 + 6 O 2. light. What goes into the stoma? What goes out of the stoma?. H 2 0 and CO 2 Water and O 2. 2. Going in and out. both LIR. - PowerPoint PPT PresentationTRANSCRIPT
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Study Sheet for Chapter 8 Test
ANSWERS
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1. EQUATION
• For photosynthesis
•6 H2O + 6 CO2 ----->
•C6H12O6+ 6 O2
light
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2. Going in and out
• What goes into the stoma?
• What goes out of the stoma?
• H20 and CO2
• Water and O2
both LIR
Both LDR
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Definitions:
Carbon fixation
• Incorporation of carbon from CO2
(unusable) to make organic compounds (usable) like glucose
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Absorption of Chlorophyll Graph
• What color wavelength is absorbed by chlorophyll a at its highest peak?
• Blue-violet and red• What color is
absorbed by carotene pigment?
• Orange
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Absorption of Chlorophyll Graph
• What color wavelength is reflected by chlorophyll a at its highest peak? Green and yellow
HINT: WOULD THE REFLECTION BE HIGH OR LOW ON AN ABSORPTION GRAPH?
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3. Main function of chlorophyll
• Turn the leaf yellow
• Capture sunlight energy
• Make sugar from carbon dioxide
• Make rubisco
• ANSWER: capture sunlight energy
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Definitions:
• rubisco • Enzyme that combines CO2 with RuBP to start the Calvin cycle
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DIAGRAMS
• Leaf Cross Section• Check your study
guide bottom pg. 1
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Answers
• A=cuticle• B=Upper epidermis• C=Vein• D=Phloem• E=xylem• F=Palisade layer• G=spongy layer• H=guard cell• I=stomata
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DIAGRAM
• A. PS II• B. ETC• C. PS I• D. thylakoid interior• E. ATP synthase• F. stroma
F
680 700
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Do You Know?????
• What is under the XXXX’s?
• ANSWER: Stromal lamella
XXXX
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4. Chlorophyll a
• Reflects what pigments the most?
• ANSWER: Green and yellow
• Absorbs what pigments the most?
• ANSWER: Blue-violet and red
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5. Where does the oxygen come from?
• Splitting of oxygen
• Splitting of water
• Pure oxygen taken into a leaf
• Glucose breaking apart
• ANSWER: splitting of water
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REDOX QUESTION:CO2 C6H12O6
• Oxidized?• Reduced?
• ANSWER: Reduced• (gains H+) GER• (gains e-)
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REDOX QUESTION:H2O O2
• Oxidized?• Reduced?
• ANSWER: Oxidized• (lose H+) LEO• (lose e-)
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6. Sugar (glucose) is assembled where?
• A. thylakoid interior
• B. thylakoid membrane
• C. stroma
• D. outer membrane
• ANSWER: stroma
• (in LIR)
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Where do they take place?
• LDR• Thylakoid disk
• LIR•stroma
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Where does each take place?
• LIR• LDR• Calvin cycle• ETC• Chemiosmosis• Splitting of water
• Stroma• Thylakoid disks• Stroma• Thylakoid
membrane• Thylakoid interior
through thylakoid membrane to stroma
• Thylakoid interior
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Definitions:
• Photophos- phorylation
• autotrophs
• Using light to make ATP (ADP + P) by chemiosmosis
• Organism that makes its own food (photosynthetic plants)-plants also known as PRODUCERS
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8. What 2 hi-energy molecules are made in the LDR to run the LIR?
• A. ATP and NADPH
• B. ADP and NADP
• C. ADP and NADPH
• D. ATP and NADP
• ANSWER: A
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9. What is another name for the LIR?
• ETC
• LDR
• Krebs cycle
• Calvin cycle
• ANSWER: Calvin cycle (LIR)
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CHLOROPLAST DIAGRAM
• A. Outer membrane• B. inner membrane• C. granum• D. thylakoid disk• E. stroma• F. stromal lamella
F
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10. What happens when a pigment molecule absorbs a photon?
• Electrons leave the pigment molecules
• Electrons are added to the pigment
• Electrons in the pigment gain energy and are raised to an excited state
• The electrons in the pigment lost energy and fall to the ground state
• ANSWER: Electrons in the pigment gain energy and are raised to an excited state
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11. WHAT ARE THE PRODUCTS?
• Of LDR?
• Of LIR?
• ATP and NADPH and oxygen
• Glucose and ADP and NADP+
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12. How many turns?
• Of the Calvin cycle to produce one molecule of glucose?
• 1
• 2
• 3
• 6
• ANSWER: 6
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What makes glucose?
• 2 molecules of G3P
• 3 molecules of RuBP
• 4 molecules of CO2
• An ATP and a G3P
• 2 NADPH and 4 ATP
• ANSWER: 2 molecules of G3P
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Photophosphorylation
• Makes ATP in the ETC
• Makes ATP by chemiosmosis
• Makes NADPH in the ETC
• Makes NADPH by chemiosmosis
• ANSWER: makes ATP by chemiosmosis
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DIAGRAMS
• PHOTOSYSTEM• A. photon of light • B. reaction center• C. pigment molecules
of antenna
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13. In the LDR where would the H+ ions collect?
• A. on the thylakoid membrane
• B. on the outer membrane
• C. in the thylakoid interior (lumen)
• D. in the stroma
• ANSWER: C
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PICTURE IT: Where do the H+ collect after they are split from
water?
G
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Where do the H+ collect after they are split from water?
D – thylakoid interior
H+ H+
H+ H+
G
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Where would be ATP synthase be located?
• A. on the thylakoid membrane
• B. on the outer membrane
• C. in the thylakoid interior (lumen)
• D. in the stroma
• ANSWER: A
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PICTURE IT: Where is the ATP synthase located?
G
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Where is the ATP synthase located?
E
G
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Where are these formed?
• NADPH
• ATP
• LDR By high energy electrons passing through the ETC
• By H+ ions passing through the ATP synthase via chemiosmosis
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PICTURE IT: Where would NADPH and ATP collect?
G
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Where would NADPH and ATP be found?
G
G
(stroma)
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JUMPING IN: One of these things, does not belong with the others:
• Antenna molecule
• Reaction center
• Primary electron acceptor
• Pigment molecule
• Stroma
• ANSWER: stroma
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14. Plants
• Are known as: (how many are true?)• consumers• Autotrophs• Producers• Herbivores• Heterotrophs• ANSWER: autotrophs and producers• Animals are heterotrophs
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JUMPING IN: What is the enzyme?
That is the most abundant in the world?• Amylase• Rubisco• ATP synthase• Peptidase
• ANSWER: rubisco
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15. What is…?
• Carbon Fixation?
• ANSWER: changing of unusable atmospheric CO2 into usable organic compounds (like glucose)
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16. What are the colors?
• Carotenoids
• Xanthophylls
• Chlorophyll a
• Chlorophyll b
• Orange
• Yellow
• Green
• Yellow green
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17. Scientist Contributions
• Van Helmont
• Priestley
• Ingenhousz
• Water contributed to plant growth
• Plants gave off oxygen
• Light is necessary for photosynthesis
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18. Which are the high-energy (filled) forms?
• ATP or ADP
• NADPH or NADP
• ATP (three phosphates)-high
• ADP (two phosphates)-low
• NADPH (has filled electron carrier)
• NADP (empty electron carrier)
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ESSAY #1
• How to increase the rate of photosynthesis and why?
• A. closer to sunlight so more photons of light can excite the chlorophyll and e-
• B. add more water to be split for e-, H+, released oxygen
• C. more carbon dioxide to donate carbon molecules to make glucose in LIR
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ESSAY #2
• Design an experiment to test the rate of photosynthesis. Label a sketch of the set-up and the procedure.
• HINT: Elodea lab
• EX: plant, water, CO2,light
• Count oxygen bubbles in different distances from the light
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ESSAY #3
FYI Why do leaves change color?
• As fall comes there
are shorter days of sunlight
• Less photosynthesismeans less food for plants.
• Chlorophyll breaks down and exposes the other colorsthat were there all along, but were masked by the green chlorophyll.
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ESSAY #4
• Acts as an energy shuttle
• Lose a phosphate = adenosine diphosphate ADP
• Gain a phosphate = become adenosine triphosphate ATP
CHARGED
UNCHARGED
HIGH
LOW
Add more (-) ions to be charged
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•GAME OVER