Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 11, Problem 11.5PS
Energy Flow in Photosynthesis. A portion of the solar energy that arrives at the surface of a leaf is eventually converted to chemical energy and appears in the
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Photosyntheis 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.
Oxygenic photosynthesis in eukaryotes (in the chloroplasts of green algae and green plants) consumeswhich of the following substrate molecules (to generate glucose, water, and oxygen product molecules)?A. C12H22O11 + H2OB. C6H12O6 + 6O2 + 6H2OC. 6CO2 + 12H2OD. C6H12O6 + C6H12O6E. 6CO2 + 12H2S
True or False? In photosynthesis, both photosystems (I and II) depend on the energy of sunlight to excite a chlorophyll molecule until it releases an electron.
Chapter 11 Solutions
Becker's World of the Cell (9th Edition)
Ch. 11 - Both mitochondria and chloroplasts are...Ch. 11 - In the late 1800s, T. W. Engelmann illuminated...Ch. 11 - How do the type and arrangement of the various...Ch. 11 - An essential structural feature in both...Ch. 11 - Prob. 11.4CCCh. 11 - Explain how the Calvin cycle fixes three CO2...Ch. 11 - What are the major regulatory points in the Calvin...Ch. 11 - Although the typical chemical equation for...Ch. 11 - Prob. 11.8CCCh. 11 - True or False Indicate whether each of the...
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- True or False? The following is the correct sequence for the movement of electrons during the light-dependent reactions of plants: A) P680 --> P700 --> water --> NADP+ In cellular metabolism, photosynthesis uses solar energy to produce energy-rich organics; respiration breaks down energy-rich organics to synthesize ATParrow_forwardTags: photosynthesis, plants, biology, chemistry, biochemistry Consider a recently discovered planet that scientists believe is capable of supporting life due to its similarities to the earth. However, its daytime temperature and oxygen content in its atmosphere are HIGHER than earth. Design a plant that can survive and show MAXIMUM photosynthetic efficiency in this planet by enumerating the features (anatomical/metabolic) that you will include and explain why it is necessary to include them.arrow_forwardQuestion:- List the different molecules, an electrons is part of, as it moves from NADPH through the light-independent phase of photosynthesis and is synthesized into a substrate that can feed it into a NADH molecule as part of aerobic cellular respiration. Provide 2 different options for NADH production.arrow_forward
- Question:- Which of the following statements about photosynthesis are FALSE? a) Photosystem II has a higher redox potential than water. b) Plastocyanin donates its electrons to photosystem I. c) Chloroplast ATP synthase releases ATP into the thylakoid space d) Water-splitting enzyme releases four protons into the thylakoid space for every water molecule that is split. e)cytochrome b6-f complex pumps protons into the thylakoid space.arrow_forwardIS THIS A GOOD BREAK DOWN? WHAT ELSE CAN I SHOULD I ADD? Briefly explain the light-dependent reactions of photosynthesis: where does this take place, what are the reactants and what is produced? Light-dependent reactions are used to convert light energy into chemical energy for use by the plants. Through the process of photosynthesis, the energy collected from the sun is broken down, along with water molecules, to produce NADPH and ATP. Light-dependent reactions Goal Convert light energy into chemical energy Location Chloroplasts—thylakoids Input Sunlight, H2O, NADP+, ADP Output NADPH, ATP, O2arrow_forward"Energy Transformation" ATP-ADP CYCLE Construct a final draft sketch on the photoexcitation of Chlorophyll.With labels and explanation.arrow_forward
- chlorophyll-What wavelengths of light does it absorb?arrow_forwardPhotosynthesis and Respiration: Explain the details of the light-independent reaction. Make sure to explain the role of ATP and NADPH and where this reaction takes place.arrow_forwardThe Building blocks to produce ATP? What two molecules provide energy and electrons for the sugar producing carbon reactions? ATP is called "energy currency" because? Energy is released from ATP when? Where is the Energy stored in ATP? ADP phosphorylation is a/an ____ reaction? ATP hydrolysis is a/an ____ reaction? All the chemicals reaction that occur within an organizing which is also the inclusion of coupling reaction is referred as? The main source of energy of animals are from? What does "TP" in ATP stand for?arrow_forward
- The compound Carbonyl cyanide-p-trifluoromethoxyphenyl hydrazone (FCCP) acts as an uncoupler of electrochemical gradients (in both mitochondria and chloroplasts) by shuttling protons across membranes. Predict the effect of a high dose of FCCP on the synthesis of ATP and NADPH in photosynthesis. Rationalize your answersAnswer separately with prediction and reason please thank you so mucharrow_forwardBacterium Y is photosynthetic. You want to decrease the ability of Bacterium Y to produce glucose through photosynthesis. Explain how you could manipulate the light reactions of photosynthesis to decrease glucose production during the dark reactions in Bacterium Y. Include the name of the pathway that makes glucose during the dark reactions, which/how molecules from the light reactions are used in this pathway, and what specific steps of this pathway would be affected by your manipulations.arrow_forwardcatabolic pathway - draw the complete electron transport chain for myristatearrow_forward
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