Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 14PS
Suppose you wanted to discover whether the oxygen atoms in the glucose produced by photosynthesis come from H2O or from CO2. Explain how you could use a radioactive isotope to find out.
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Suppose you wanted to discover whether the oxygen atoms in the glucose produced by photosynthesis come from H2O or CO2. Explain how you could use a radioactive isotope to find out
The graph here shows the change in energy level for the reactants and the products of photosynthesis. Given the energy levels modeled in the graph, which statement accurately compares the energy of the products and the reactants with regards to photosynthesis?
A. Water and Oxygen have the highest energy compared to glucose and and carbon dioxide
B. Glucose and Oxygen gas have higher energy levels compared to water and carbon dioxide
C. Glucose and water have the same energy levels compared to carbon dioxide and oxygen gas
D. Glucose and oxygen have a lower energy energy level associated with them compared to carbon dioxide and water
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 .
Chapter 7 Solutions
Campbell Essential Biology (7th Edition)
Ch. 7 - The light reactions take place in the structures...Ch. 7 - In terms of the spatial organization of...Ch. 7 - Prob. 3SQCh. 7 - Prob. 4SQCh. 7 - Prob. 5SQCh. 7 - Prob. 6SQCh. 7 - Prob. 7SQCh. 7 - Prob. 8SQCh. 7 - Prob. 9SQCh. 7 - For each statement, identify which major theme is...
Ch. 7 - For each statement, identify which major theme is...Ch. 7 - For each statement, identify which major theme is...Ch. 7 - Tropical rain forests cover only about 3% of...Ch. 7 - Suppose you wanted to discover whether the oxygen...Ch. 7 - Interpreting Data In the following graph, called...Ch. 7 - There is general agreement within the scientific...Ch. 7 - Burning biomass to produce electricity avoids many...
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- Would you expect H2O or CO2 to be the source of the oxygen produced in photosynthesis? Give the reason for your answer.arrow_forwardA growing tomato plant is sprayed with a chemical that destroys chlorophyll. Explain (using an explanation of photosynthesis) why this will kill the tomato plant.arrow_forwardWhy do you think it is important to know about cellular respiration? Compare and contrast photosynthesis from cellular respiration.arrow_forward
- 1. Cellular respiration and photosynthesis both involve water. 2. Cellular respiration uses sugar, and photosynthesis produces sugar. 3. Cellular respiration and photosynthesis both use light to produce energy. 4. Cellular respiration requires light energy, and photosynthesis requires chemical energy.arrow_forwardAll life forms on Earth depend on plants in order to exist. Give three reasons that support this statement in terms of photosynthesis. 19arrow_forwardWrite a short story geared towards young adults explaining the process of photosynthesis and cellular respiration and explain the interdependence between photosynthesis and cellular respiration. Tell the story as if you were a moleculearrow_forward
- Which of the following is true about how oxygen is formed during photosynthesis? Select one or more: a. oxygen is formed during the production of sugars b. carbon dioxide molecules are broken down to form oxygen c. oxygen is formed during electron transport d. water molecules are broken down to form oxygenarrow_forwardPhotosynthesis is a biochemical pathway that involves three kinds of activities. Name these and explain how they are related to each other.arrow_forwardWhat two products result from photosynthesis? a. water and carbon dioxide b. water and oxygen c. glucose and oxygen d. glucose and carbon dioxidearrow_forward
- Which molecule absorbs the energy of a photon in photosynthesis? a. ATP b. glucose c. chlorophyll d. waterarrow_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_forwardWhich statement best explains why cellular respiration in plants and other organisms is dependent on photosynthesis? A Photosynthesis is one of the final steps in cellular respiration. Photosynthesis provides the materials that fuel cellular respiration. C Photosynthesis absorbs excess energy produced by cellular respiration. Photosynthesis absorbs materials that are catalyzed during cellular respiration.arrow_forward
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