Campbell Biology: Custom Edition For The University Of Maryland
15th Edition
ISBN: 9781269920490
Author: Reece, Urry, Cain, Wasserman, Minorsky, Jackson
Publisher: Pearson Custom Publishing
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Chapter 2.4, Problem 3CC
WHAT IF? Ø Write an equation that uses the products of photosynthesis as reactants and the reactants of photo- synthesis as products. Add energy as another product. This new equation describes a process that occurs in your cells. Describe this equation in words. How does this equation relate to breathing?
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WHAT IF? The Calvin cycle requires ATP and NADPH,products of the light reactions. If a classmate assertedthat the light reactions don’t depend on the Calvin cycleand, with continual light, could just keep on producingATP and NADPH, how would you respond?
Q) Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a glucose molecule that is used for energy in a cell in the plant root. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants.
Tags: 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.
Chapter 2 Solutions
Campbell Biology: Custom Edition For The University Of Maryland
Ch. 2.1 - MAKE CONNECTIONS Explain how table salt has...Ch. 2.1 - Is a trace element an essential element? Explain.Ch. 2.1 - Prob. 3CCCh. 2.1 - MAKE CONNECTIONS Explain how natural selection...Ch. 2.2 - Prob. 1CCCh. 2.2 - A nitrogen atom has 7 protons, and the most common...Ch. 2.2 - Prob. 3CCCh. 2.2 - Prob. 4CCCh. 2.3 - Why does the structure H C = C H fail to make...Ch. 2.3 - What holds the atoms together in a crystal of...
Ch. 2.3 - What holds the atoms together in a crystal of...Ch. 2.4 - Prob. 1CCCh. 2.4 - Which type of chemical reaction, if any, occurs...Ch. 2.4 - WHAT IF? Write an equation that uses the products...Ch. 2 - Prob. 2.1CRCh. 2 - DRAW IT Draw the electron distribution diagrams...Ch. 2 - In terms of electron sharing between atoms,...Ch. 2 - What would happen to the concentration of products...Ch. 2 - Level 1: Knowledge/Comprehension 1. In the term...Ch. 2 - Compared with 31P, the radioactive isotope 32P has...Ch. 2 - The reactivity of an atom arises from (A) the...Ch. 2 - Which Statement is true of all atoms that are...Ch. 2 - Which of the following statements correctly...Ch. 2 - Prob. 6TYUCh. 2 - The atomic number of sulfur is 16. Sulfur combines...Ch. 2 - What coefficients must be placed in the following...Ch. 2 - DRAW IT Draw Lewis dot structures for each...Ch. 2 - EVOLUTION CONNECTION The percentages of naturally...Ch. 2 - Prob. 11TYUCh. 2 - Prob. 12TYUCh. 2 - Prob. 13TYU
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- WHAT IF? If the following redox reaction occurred,which compound would be oxidized? Reduced?c4h6o5 + nAD+ S c4h4o5 + nADh + h+arrow_forwardIntroduction 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…arrow_forwardAnimal metabolism and plant metabolism are related in that: a. plants carry out photosynthesis and animals carry outrespiration. b. G3P is found in the metabolic pathways of both animals andplants. c. G3P is used by catabolic pathways when it is generated byphotosynthesis, and it is a product of an anabolic pathway incellular respiration. d. light drives electron excitation. e. the reactants of photosynthesis drive cellular respiration inanimals.arrow_forward
- Please help! Photosynthesis and Cell respiration: A. What should happen to the O2 levels in a closed container containing a plant during the day? why? B. And what happens to the O2 levels during the night (no light)? Why?arrow_forwardQ27. Imagine that NASA’s Spirit Rover discovers a photosynthetic bacterium on Uranus that contains a single pigment. By using an onboard spectrophotometer, the pigment is found to have the absorption spectrum shown below. Which of the following conclusions about this pigment can be deduced from the spectrum shown? The pigment fluoresces green photons. The pigment is blue in colour. The pigment has a single excited state. The pigment reflects high-energy light. 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 correct.arrow_forwardDescribe how the structure of the mitochondria OR the chloroplast aids in function. 12. Why do the chlorophyll a molecules in photosystem II have an optimal absorbance of light at 680 nm, while the chlorophyll a molecules in photosystem I have an optimal absorbance of light at 700 nm? What does this tell you about the transfer of energy between these two photosystems during the light reactions?arrow_forward
- please draw!!! Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a glucose molecule that is used for energy in a cell in the plant root. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants. PLEASE INCLUDE , how does energy end up in the plant stem?arrow_forwardCompare how the high-energy electrons produced by the Krebs cycle and Photosystem II convert their energy into ATP production. Make sure you point out where the electrons come from and where they eventually end up in both systems. What is the resulting ATP used for in each system?arrow_forward1. Is carbon dioxide essential for photosynthesis? Justify 2. What is the relationship between photosynthesis efficiency and light intensity? Justify 3. For equal quantities of photons, what is the increasing order of effectiveness (less effective to more effective) of blue, red, green and white light (combination of the three main wavelengths) on photosynthetic activity? Justifyarrow_forward
- Artificial photosynthesis history? Who developed it? And when did major advancements about it happened?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_forwardScience reflection: Where can we use the knowledge about photosynthesis in real life setting?arrow_forward
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