Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Chapter 7, Problem 1RQ
Summary Introduction
To review:
The effect if photosynthesis completely stopped.
Introduction:
Photosynthesis is a process, used by plants or certain autotrophic organism, which harvests or utilizes the light energy for manufacturing the complex chemical molecules like carbohydrates and oxygen as the products of the
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What event is the first step in photosynthesis?
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c. oxygen is formed during electron transport
d. water molecules are broken down to form oxygen
Chapter 7 Solutions
Biology: Life on Earth
Ch. 7 - Plant leaves contain pores called _____ that allow...Ch. 7 - Chlorophyll a captures wavelengths of light that...Ch. 7 - 3. During the first stage of photosynthesis, light...Ch. 7 - The oxygen produced as a by-product of...Ch. 7 - 5. In plants, the enzyme that catalyzes carbon...Ch. 7 - Light reactions generate the energy-carrier...Ch. 7 - Prob. 1RQCh. 7 - Prob. 2RQCh. 7 - 3. Draw a simplified diagram of a leaf...Ch. 7 -
4. Draw a simplified diagram of a chloroplast and...
Ch. 7 - Explain photorespiration and why it occurs....Ch. 7 - Trace the flow of energy in chloroplasts from...Ch. 7 - 7. Summarize the events of the Calvin cycle. Where...Ch. 7 - Suppose an experiment is performed in which plant...Ch. 7 - You continuously monitor the photosynthetic oxygen...Ch. 7 - If you were to measure the pH in the space...Ch. 7 - 3. Assume you want to add an accessory pigment to...
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- What two products result from photosynthesis? a. water and carbon dioxide b. water and oxygen c. glucose and oxygen d. glucose and carbon dioxidearrow_forwardExplain why each of the following misconceptions about photosynthesis is false: a. Only plants are autotrophs. b. Plants do not need cellular respiration because they carry out photosynthesis. c. Chlorophyll is the only plant pigment.arrow_forwardWhen you will consider an organism as "Autotroph"? Can you mention why they are capable of doing photosynthesis? What would have happened if there were no processes for "photosynthesis"? Summarize "what happens during photosynthesis" using one single sentence. Why do you think it is advantageous to learn about "the environmental factors that influence the plants"?arrow_forward
- Which process of photosynthesis is directly linked to the production of ATP? Select one: A. Synthesis of O2 B. Photosystem II C. Generation of NADPH D. Fixing of carbonarrow_forwardWhat do you think is the connection of cellular transport and photosynthesis?arrow_forwardHow do the following features improve the effiency of photosynthesis? A. the presence of accessory pigments b. the original of pigments in a photosystemarrow_forward
- Answer this questionarrow_forwardRead each statement carefully and determine if it is true or false for photosynthesis:arrow_forwardPhotosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. By recognizing concepts learned on this module, answer the following questions briefly: a. How important is light energy in the absorption and conversion of chlorophyll. b. Describe the role of the proton+ gradient used to make energy currencies such as ATP.arrow_forward
- “Photosynthesis is the single most important process for life on Earth.” Discuss this statement in some detail.arrow_forwardDiagram te reactions that occur in chloroplasts during photosynthesis in the space below. show what goes into and comes out of this process. Use these terms-sugar-oxygen-light energy-water-carbon dioxidearrow_forwardGive a reason why photosystems are able to capture light energy.arrow_forward
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