BIOLOGY
5th Edition
ISBN: 9781265202859
Author: BROOKER
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Chapter 8.3, Problem 1CC
Summary Introduction
To determine: The maximum energy state attained by electron during the transfer from photosystem II to NADPH
Introduction: The electron moves in a zigzag manner through a series of energy changes that take place during photosynthesis. This is referred to as Z-scheme which has been proposed by Hill and Bendall.
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Introduction
The major context for this lab is photosynthesis, and the overall equation for photosynthesis is:
12 H2O + 6 CO2+ light energy → C6H12O6+ 6O2+ 6 H2O
Exercise A: Photosynthetic Pigments
Watch the following two videos about plant pigments and chromatography. To analyze the data we’ll give you, you’ll need to understand what types of pigments are found in a leaf, and understand some general characteristics of those pigments.
Photosynthetic Pigments (~3 min)
link: https://www.youtube.com/watch?v=dwz3qozDiyI
Leaf Color Chromatography (~4.5 min)
link: https://www.youtube.com/watch?v=qH-AJDqsSII
Answer the below questions :
Define the following terms:
photosynthesis
chromatography
absorption spectrum
action spectrum
chlorophylls
carotenoids (carotene and xanthophyll)
Referring to the Photosynthetic Pigments video, in the table below, write in the peak wavelength ranges absorbed by each of the following pigments. Include the colors that are associated with those…
Please answer fast
Indicate if the following statements are true or false for the diagram:
1. The diagram includes both systems.
2. The diagram represents the dark reactions.
3. The green circles inside the photosystems represent pigments.
4. In the first electron transport chain, NADPH is produced.
5. In these reactions sugars are produced.
Q no 2: Describe in detail what happens during the light reactions of photosystems. Use terms such as photosystems (be specific about which is which), pigments, reaction center, water-splitting, NADPH, ATP, ADP, NADP+, oxygen gas, etc?
Chapter 8 Solutions
BIOLOGY
Ch. 8.1 - Core Skill: Modeling The goal of this modeling...Ch. 8.1 - Prob. 2CSCh. 8.1 - Can the Calvin cycle occur in the dark?Ch. 8.2 - Prob. 1CCCh. 8.2 - Prob. 2CCCh. 8.2 - Prob. 3CCCh. 8.2 - Prob. 4CCCh. 8.2 - Why does cyclic photophosphorylation provide an...Ch. 8.2 - Prob. 6CCCh. 8.3 - Prob. 1CC
Ch. 8.4 - Prob. 1CCCh. 8.4 - Prob. 1EQCh. 8.4 - Prob. 2EQCh. 8.4 - Prob. 3EQCh. 8.5 - Prob. 1CCCh. 8.5 - Prob. 2CCCh. 8 - The water necessary for photosynthesis a. is split...Ch. 8 - In PSII, P68o differs from the pigment molecules...Ch. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Prob. 5TYCh. 8 - Prob. 6TYCh. 8 - Prob. 7TYCh. 8 - Prob. 8TYCh. 8 - Prob. 9TYCh. 8 - Prob. 10TYCh. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Discuss the advantages and disadvantages of being...Ch. 8 - Biotechnologists are trying to genetically modify...
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- Need help with the question below ?arrow_forwardHelp!arrow_forwardStep Input Output Light Dependent Reactions Light Independent Reactions (Dark Reactions) Write the full chemical equation for photosynthesis below: Eactors that Affect Photosynthesis Gas exchange usually results in a loss of o Desert plants have special, • Photosynthesis has an optimal and is limited by amounts of Section 3: Cellular Respiration (Aerobic Respiration) All living things need The food ( is broken down to and energy is released in the form of Write the chemical equation for cellular respiration below: Step 1: Glycolysis step process that breaks down into two smaller Results in small amounts of Does not require (anaerobic) Occurs outside Input Output © 2020 to present Keystone Sclence - All Rights Reserved www.teacherspayteochers.com/Store/Keystone-Sciencearrow_forward
- Need help quick pleasearrow_forwardIn photosynthesis, reaction? which of the following is NOT true about the light-dependent ("light”) Light-excited electrons in chlorophyll provide the energy for ATP production None of the other four answers (All are true of the light-dependent reaction) The light-dependent reaction converts light energy to chemical energy stored in ATP The light-dependent reaction (non-cyclic) captures electrons in NADPH Glucose is synthesized from CO2 and water during the light-dependent reactionarrow_forwardAsaparrow_forward
- Observing the over-all equation for photosynthesis, what are two variables other than light intensity, which would have an influence on how quickly the leaf disks float? Thanks in advancearrow_forwardPhotosyntheis related question (s): When protons move out of the thylakoid, are they moving up or down their concentration gradient? (From low to high concentration or from high to low concentration?) What protein(s) facilitate the transport of protons out of the thylakoid? We can write the formula for photosynthesis as follows: 6 H2O + 6 CO2 + light energy → C6H12O6 + 6 O2 How would you write a formula for the light reactions? Include ATP, ADP, NADP and NADPH as relevant? How would you write a formula for the Calvin cycle? Include ATP, ADP, NADP and NADPH as relevant.arrow_forwardc) . solar photons. Describe two ways through which Photosystem I and Photosystem II optimize the capture of d) good oxidant and a good reductant at the same time. With a simple frontier orbital diagram, explain why the photo-excited P680 pigment is both aarrow_forward
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