Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 5.6, Problem 5MC
Summary Introduction
To analyze:
The way C4 photosynthesis is based on spatial arrangements of structures, whereas CAM photosynthesis is temporarily based.
Introduction:
As part of their carbon fixation process, plants use the C4 photosynthesis pathway. Some plants have evolved the carbon fixation mechanism known as photosynthesis (Crassulacean acid
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Describe both the advantages and the disadvantages of C4 photosynthesis over C3 photosynthesis.
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Differentiate between cyclic and noncyclic electron flow inoxygenic photosynthesis.
Chapter 5 Solutions
Biology: Concepts and Investigations
Ch. 5.1 - Prob. 1MCCh. 5.1 - Prob. 2MCCh. 5.1 - Prob. 3MCCh. 5.1 - Prob. 4MCCh. 5.1 - How did the origin of photosynthesis alter Earths...Ch. 5.2 - Prob. 1MCCh. 5.2 - Prob. 2MCCh. 5.2 - Prob. 3MCCh. 5.2 - How does the reaction center chlorophyll interact...Ch. 5.3 - Prob. 1MC
Ch. 5.3 - Prob. 2MCCh. 5.4 - Prob. 1MCCh. 5.4 - Prob. 2MCCh. 5.4 - Prob. 3MCCh. 5.4 - Prob. 4MCCh. 5.5 - What is the relationship between the light...Ch. 5.5 - Prob. 2MCCh. 5.6 - Why is the Calvin cycle also called the C3...Ch. 5.6 - Prob. 2MCCh. 5.6 - What conditions maximize photorespiration?Ch. 5.6 - Prob. 4MCCh. 5.6 - Prob. 5MCCh. 5.7 - Prob. 1MCCh. 5.7 - Prob. 2MCCh. 5 - Where does the energy come from to drive...Ch. 5 - Prob. 2MCQCh. 5 - Prob. 3MCQCh. 5 - The evolution of photosynthesis resulted in a. an...Ch. 5 - Prob. 5MCQCh. 5 - Prob. 6MCQCh. 5 - Prob. 7MCQCh. 5 - Imagine that multiple simultaneous volcanic...Ch. 5 - Prob. 2WIOCh. 5 - Prob. 3WIOCh. 5 - Would a plant grow belier in a room painted blue...Ch. 5 - Determine whether each of the following molecules...Ch. 5 - Over the past decades, the CO2 concentration in...Ch. 5 - How does photosynthesis help compensate for...Ch. 5 - How is the CAM pathway adaptive in a desert...Ch. 5 - Explain how C4 photosynthesis is based on a...Ch. 5 - Prob. 1PITCh. 5 - 2. How would you incorporate the Calvin cycle,...Ch. 5 - Prob. 3PITCh. 5 - Prob. 4PIT
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Similar questions
- For the following questions, choose one to discuss: chloroplast/photosynthesis State at the outset which one you will discuss. A) What role do proton gradients play in the process of photosynthesis proton gradients allow B) Where are proton gradients formed? Within what structures are they seen in chloroplasts How do the structures help them to maintain a gradient? C) Explain where and how the chloroplast or mitochondria uses passive transport and active transport to complete photosynthesis or cellular respiration.arrow_forward2.) A.) Explain how electron transfer leads to ATP biosynthesis in the light reactions of photosynthesis. You must give details about how electron flow builds a pH gradient and a description of the compartments in the chloroplast in relation to pH. Also, compare the ETC of the mitochondrion with the ETC of the light reactions for both the source and destination for electrons. B.) Would ATP biosynthesis happen if ionophores, which would create holes in the thylakoid membrane and allow uncontrolled passage of charged molecules such as protons between compartments, are provided to the chloroplast? Why or why not? C.) How would you modify Complex I of the electron transport chain to decrease ATP yield from Step 3 of β-oxidation? As part of this, you must explain why there is a difference in ATP yield between NADH and FADH 2 AND give a specific change to the ETC that would decrease ATP yield from Step 3arrow_forwardA: ATP Cellular respiration Bwater and oxygen MITOCHONDRION (animal cell) CHLOROPLAST (plant cell Examine the model depicting the relationship between photosynthesis and cellular respiration. Select ALL of th choices that correctly pairs products and reactants with their place in the model. Photosynthesisarrow_forward
- Which of the following correctly sequences the steps of non-cyclic electron transport? a) Chlorophyll molecules absorb UV radiation exciting electrons which flow through photosystem I, returning to the chlorophyll molecules b) Electrons donated from water molecules pass through photosystem I then photosystem II before returning to the chlorophyll molecules, generating ATP in the process c) Water is oxidized by the capture of light energy; these excited electrons are passed through the dark reactions, returning to chlorophyll during the final light reactions d) The ATP and NADPH generated by the reactions of photosystem II and photosystem I are utilized by the Calvin Cycle to build high energy glucose moleculesarrow_forwardCAM photosynthesis differs from C4 photosynthesis in that in CAM… a) photorespiration occurs at a high rate. b) photosynthesis occurs entirely at night. c) photosynthesis extracts carbon from organic compounds. d) photosynthesis is more efficient in times of drought. e) photosynthesis is more efficient in high light environments.arrow_forwardWhat is the significance that the combined absorption spectra of chlorophylls a and b roughly match the action spectrum of photosynthesis? Would photosynthesis be more efficient if their individual absorption spectra coincided exactly?arrow_forward
- Which of the following statements about the light reactions of photosynthesis are correct? 1. Absorption of light does one thing: it makes chlorophyll easier to oxidize. 2. In PSII, the rate of damage to the D1 protein can never exceeds the rate of repair. 3. Electron transport is spontaneous (exergonic) as electrons move from P680* to P700+. 4. Compared to anoxygenic photosynthesis, in oxygenic photosynthesis less light needs to be absorbed to reduce NADP+. A. 1,2 and 3 B. 1 and 3 C. 2 and 4 D. 4 only E. All of 1,2,3 and 4 are correctarrow_forwardExplain why C4 photosynthesis is advantageous in hot, dryconditionsarrow_forwardIdentify the chemical basis for ApH and AY across the chloroplast thylakoid membrane by dragging the descriptions to their targets. Be sure to notice that the upper arrow iindicates ApH and the lower arrow indicates ΔΨ. ATP synthase complex H+ N ADP + P₁ Light energy ATP H*N Photosystem I/II- Chloroplast N side Aus PN ApH T + Thylakoid membrane HTp H+p Lumen Stroma P side Proton circuit A B High H concentration Low positive charge High positive charge Low H+ concentration Within the image, identify the types of proton translocation by dragging each label to its target. O XH₂ 2H+ + Z 2 H* ZH₂ O XH₂ Z 2H+ ZH₂ 2H+ C A B Proton pump Redox looparrow_forward
- Asaparrow_forwardPls describe the process and relationship between photosynthesis and cellular respiration.arrow_forward34) During photosynthesis, electron transfer follows which sequence? A) sun -> chlorophyll -> electron transport chain -> ATP i vo B) water -> NADPH -> chlorophyll -> electron transport chain -> chlorophyll C) water -> chlorophyll -> electron transport chain -> chlorophyll -> NADPH Jen D) sugar -> electron transport chain -> oxygen -> ATParrow_forward
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