Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 8.1, Problem 1CS
Core Skill: Modeling The goal of this modeling challenge is to increase the complexity of the model shown in Figure 8.1 by adding organisms that carry out photosynthesis and those that carry out
Modeling Challenge: The figure shows a simplified model for an energy cycle in the biosphere. Increase the complexity of the model in the following ways: On the left side, add drawings of three different broad categories of organisms that carry out photosynthesis. On the right, add drawings of three or more categories that carry out cellular respiration.
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Q1) For primary producers such as plants, photosynthesis requires carbon dioxide (CO2), water (H2O), and sunlight. As a result of photosynthesis, plants produce glucose (C6H12O6) and oxygen (O2). The CO2 is used to make glucose. Energy from sunlight is used to power the reaction that creates the glucose molecules. The data set below is the results of a study that investigated how light intensity (distance from a light source; cm) affects photosynthesis (bubble production; #O2 bubbles) in Elodea (aquatic plant).
# of bubbles produced @ 5 cm
# of bubbles produced @ 10 cm
# of bubbles produced @ 20 cm
# of bubbles produced @ 30 cm
Group 1
0
9
7
0
Group 2
2
12
6
3
Group 3
2
9
9
2
Group 4
0
8
10
0
Group 5
1
10
7
5
Group 6
3
13
4
4
Group 7
3
10
8
4
Please identify the independent variable and the dependent variable in this study.
Based on the data presented here, explain the trends…
INSTRUCTION:
- Do not copy in Google or here in Bartleby.
- Answer the question properly and explain your answer.
QUESTION:
What is the importance of terrestrial ecosystem?
Q1: Why is photosynthesis called “primary production”? Q2: How does animal life depend on photosynthesis? Q3: Explain how photosynthesis and cellular respiration are “complementary” processes.
Chapter 8 Solutions
Biology
Ch. 8.1 - Core Skill: Modeling The goal of this modeling...Ch. 8.1 - Prob. 2CSCh. 8.1 - Can the Calvin cycle occur in the dark?Ch. 8.2 - Prob. 1CCCh. 8.2 - Prob. 2CCCh. 8.2 - Prob. 3CCCh. 8.2 - Prob. 4CCCh. 8.2 - Why does cyclic photophosphorylation provide an...Ch. 8.2 - Prob. 6CCCh. 8.3 - Prob. 1CC
Ch. 8.4 - Prob. 1CCCh. 8.4 - Prob. 1EQCh. 8.4 - Prob. 2EQCh. 8.4 - Prob. 3EQCh. 8.5 - Prob. 1CCCh. 8.5 - Prob. 2CCCh. 8 - The water necessary for photosynthesis a. is split...Ch. 8 - In PSII, P68o differs from the pigment molecules...Ch. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Prob. 5TYCh. 8 - Prob. 6TYCh. 8 - Prob. 7TYCh. 8 - Prob. 8TYCh. 8 - Prob. 9TYCh. 8 - Prob. 10TYCh. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Discuss the advantages and disadvantages of being...Ch. 8 - Biotechnologists are trying to genetically modify...
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- Q1: What is the source of the carbon dioxide used for photosynthesis? Q2: Which products of the light reactions of photosynthesis does the Calvin cycle use? Q3: What are the two major products of photosynthesis?arrow_forwardQ. find another carbon cycle diagram and compare it with the diagrams attached. include detailed analysis of the two diagrams attached. include an image of the new image of carbon cyclearrow_forwardQ16. Electron flow along an electron transport chain is a spontaneous process from molecules that are strong reducing agents to molecules that are stronger oxidizing agents. Given your knowledge of photosynthetic electron transport, which one of the following molecules is the strongest reducing agent (most easily oxidized)? A. P680 B. H2O C. P700* D. NADPHarrow_forward
- Q5.After understanding the process of bio-gas generation, explain with an example and figures about the biogas generation process in rural area with your own words.(any one out of 2 can be written by the students)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_forwardINSTRUCTION: - Do not copy in Google or here in Bartleby. - Answer the question properly. QUESTION: What is the importance of terrestrial ecosystem? What is carbon sequestration?arrow_forward
- Q1. Explain the construction, working, advantages and disadvantages of a floating drum biogas plants.arrow_forwardQNo5: What is nutrient recycling? How it is important in the balance of nutrient in ecosystem?arrow_forwardQ) 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.arrow_forward
- Q27. 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_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_forwardQ40. Both Photosynthesis and respiration rely on electron transport. Although there are many differences, what do these electron transport chains have in common? In both, the electron donor (water in the case of photosynthesis, NADH in the case of respiration) is a strong reducing agent In both, the proteins which shuttle the electrons (Plastoquinone in photosynthesis, Ubiquinone in the case of respiration) are oxidized and reduced In both, electrons move spontaneously from high to low redox potential. In both, chemiosmosis results in the production of ATP 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_forward
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