BIOCHEMISTRY-ACHIEVE (1 TERM)
9th Edition
ISBN: 9781319402853
Author: BERG
Publisher: MAC HIGHER
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Question
Chapter 19, Problem 31P
Interpretation Introduction
Interpretation:
Photosynthesis and respiration processes should be explained with respect to the electron flow.
Concept introduction:
Photosynthesis is the process which store energy of sunlight as chemical energy in glucose. The process takes place in the chloroplast of plant cells.
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Some people say that plant cells carry out photosynthesis and animal cells carry out respiration. Do you agree or disagree with this statement? Provide a valid explanation to support your answer in five sentence .
Cell respiration and photosynthesis are distinct metabolic processes that take place in the mitochondrion and chloroplast, respectively. While these two processes are separate, they share things in common. When one looks at the overall equations for cell respiration and photosynthesis, one sees how they are near opposites in terms of the starting and ending materials. In 300-400 words, describe this “near opposite” relationship between cell respiration and photosynthesis. What are the starting and ending materials in each process, and what kind of energy transformation is taking place?
“Photosynthesis is the single most important process for life on Earth.” Discuss this statement in some detail.
Chapter 19 Solutions
BIOCHEMISTRY-ACHIEVE (1 TERM)
Ch. 19 - Prob. 1PCh. 19 - Prob. 2PCh. 19 - Prob. 3PCh. 19 - Prob. 4PCh. 19 - Prob. 5PCh. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - Prob. 9PCh. 19 - Prob. 10P
Ch. 19 - Prob. 11PCh. 19 - Prob. 12PCh. 19 - Prob. 13PCh. 19 - Prob. 14PCh. 19 - Prob. 15PCh. 19 - Prob. 16PCh. 19 - Prob. 17PCh. 19 - Prob. 18PCh. 19 - Prob. 19PCh. 19 - Prob. 20PCh. 19 - Prob. 21PCh. 19 - Prob. 22PCh. 19 - Prob. 23PCh. 19 - Prob. 24PCh. 19 - Prob. 25PCh. 19 - Prob. 26PCh. 19 - Prob. 27PCh. 19 - Prob. 28PCh. 19 - Prob. 29PCh. 19 - Prob. 30PCh. 19 - Prob. 31P
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- Cells need a special molecule called ATP to do the work of life. Assume that the energy of one electron from food (CH12OS) can be transformed into the energy of 3 ATP molecules. How many ATP molecules are generated by the breakdown of one sugar molecule during cell respiration?arrow_forwardIn biochemistry, the exergonic process ofconverting glucose and oxygen to carbon dioxide and water in aerobic metabolism can be considered the reverse of photosynthesis,in which carbon dioxide and water are converted to glucose andoxygen. Do you expect both processes to be exergonic, both endergonic, or one exergonic and one endergonic? Why? Would youexpect both processes to take place in the same way? Why?arrow_forwardThe law of conservation of matter states that no matter on earth can be created or destroyed. Using the following equation: 6H2O + 6CO2 + Sunlight—> C6H12O6 + 6O2, explain how the process of photosynthesis is an example of this.arrow_forward
- Refute or support the statement: “Photosynthesis and oxidative phosphorylation are essentially the reverse of each other.”arrow_forwardFor each of the statements below, indicate whether they are true or false and then in detail explain why the false statements are incorrect, making reference to the relevant cell processes and/or molecules. A. In cellular respiration the ETC transfers electrons via redox reactions whereas in photosynthesis the ETC transfers electrons using light. B. In cellular respiration the ETC creates a proton gradient with the higher concentration on the outer side of the inner membrane whereas in photosynthesis the ETC creates a proton gradient with the higher concentration on the inner side of the thylakoid membrane. C. In cellular respiration the ETC gradient is used to power ATP production by oxidative phosphorylation whereas in photosynthesis the ETC gradient is used to power ATP production by substrate level phosphorylation.arrow_forwardChemiosmosis occurs in both photosynthesis and cellular respiration, resulting in the production of ADP from ATP. (a). Is the above statement true or false? (b) Give ONE reason for your answer in (a).arrow_forward
- The purpose of this assignment is to the understand processes within cells, including enzymes, diffusion, osmosis and pH, that allow cellular energy production to occur.1. Describe two examples of enzyme involvement in photosynthesis.2. Explain the role of the cytoplasm in photosynthesis.arrow_forwardA student argued that aerobic and anaerobic respiration should produce the same amount of ATP. He reasoned that they both use basically the same process; only the terminal electron acceptor is different. What is the primary error in this student’s argument?arrow_forwardIn photosynthesis, CO2 carbon atoms are transformed to glucose carbon atoms. (a) Are the CO2 carbon atoms being oxidized or reduced in this process? (b) Do the CO2 carbon atoms move to a higher or lower energy state in this process?arrow_forward
- Photosynthesis is defined as the chemical process, wherein carbon dioxide in the presence of water and radiant energy gets converted to glucose (chemical energy), giving out oxygen as byproducts. In the equation, the combining reactants and resulting products are expressed along with their respective numbers of molecules. Putting this in a simplified formula, the following equation represents this process. CO2 + H2O + Light energy → C6H12O6 + O2 Considering this equation, how plant lovers (plantitos and plantitas) able to cultivate their plants?arrow_forwardComplete the following passage on the comparison of photosynthesis and cellular respiration by filling in the missing words. (Please only answer the last 3) Despite their differences, photosynthesis and cellular respiration also share several similarities. Both photosynthesis and cellular respiration use a(n) ________ and have a _________ dependent protein complex known as _______ , that catalyses synthesis of energy in the form of ATP. While mitochondrial electrons come from the oxidation of ________ , in chloroplasts electrons come from the oxidation of_________ . In photosynthesis, the ATP is predominantly used to support carbohydrate synthesis by the _________ , whereas the ATP generated by cellular respiration provides energy for a variety of cellular functions.arrow_forwardBoth cellular respiration and photosynthesis use APT synthase to generate APT. Please describe areas with higher and lower H+ concentration in both organelle. Describe the active and passive movement of protons. Name all membranes and areas involved in this process.arrow_forward
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