6. Plants cells contain both mitochondria and chloroplasts. What outputs of photosynthesis can become inputs for respiration? What outputs of respiration can become inputs of photosynthesis? 7. The rate of photosynthesis was measured for two different plants for varying levels of CO2 (concentration of CO2). Use the graph below to answer the following questions: a. Label the two curves with the enzyme used for initial step of carbon fixation in each plant. b. Which curve has the lowest Km value? What does that tell us about the ability of each enzyme to fix CO2? Rate of Photosynthesis GHOSOSOSOS 40 35 30 25 20 15 10 5 0 -5 O 200 [CO2] 400 c. Based on the graph, which plant would seem to benefit the most from higher levels of CO2 in the atmosphere due to global warming? Why? d. Which plant will better handle rising temperatures due to global climate change? Why? Maize (C₁) Bean (C₂) 600

6. Plants cells contain both mitochondria and chloroplasts. What outputs of photosynthesis can become inputs for respiration? What outputs of respiration can become inputs of photosynthesis? 7. The rate of photosynthesis was measured for two different plants for varying levels of CO2 (concentration of CO2). Use the graph below to answer the following questions: a. Label the two curves with the enzyme used for initial step of carbon fixation in each plant. b. Which curve has the lowest Km value? What does that tell us about the ability of each enzyme to fix CO2? Rate of Photosynthesis GHOSOSOSOS 40 35 30 25 20 15 10 5 0 -5 O 200 [CO2] 400 c. Based on the graph, which plant would seem to benefit the most from higher levels of CO2 in the atmosphere due to global warming? Why? d. Which plant will better handle rising temperatures due to global climate change? Why? Maize (C₁) Bean (C₂) 600

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter8: Photosynthesis

Section: Chapter Questions

Problem 15RQ: Plants containing only chlorophyll b are exposed to radiation with the following wavelengths: 10nm...

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Similar questions

Describe the flow of electrons through photosystems I and II in the noncyclic electron transport pathway and the products produced. Contrast this flow with cyclic electron transport.
What is the significance that the combined absorption spectra of chlorophylls a and b roughly match the action spectrum of photosynthesis? Would photosynthesis be more efficient if their individual absorption spectra coincided exactly?
Which of the following is a correct step in the light-dependent reactions of the Z system? a. Light is absorbed at P700, and electrons flow through a pathway to NADP+, the final acceptor of the linear pathway. b. Electrons flow from photosystem II to water. c. NADP+ is oxidized to NADPH as it accepts electrons. d. Water is degraded to activate P680. e. Electrons pass through a thylakoid membrane to create energy to pump H+ through the cytochrome complex.
Match each term with the best description. ______ PGAL a. absorbs light ______ CO2 fixation b. converts light to chemical energy ______ photolysis c. self-feeder ______ ATP forms; NADPH does not d. electrons cycle back to photosystem I ______ photorespiration e. problem in C3 plants ______ photosynthesis f. Calvin-Benson cycle product ______ pigment g. water molecules split ______ autotroph h. rubisco function
From which component of the light-dependent reactions does NADPH form most directly? photosystem II photosystem I cytochrome complex ATP synthase
Diagram 7: Rate of Photosynthesis with increasing light intensity 200 Pmax 150 100 - 50 -50 - -100 100 200 300 400 500 600 700 Light Intensity (arbitrary units) Glossary: 1. Pmax: The maximum pressure of oxygen gas. 2. Arbitrary units: The use of this term mean the graph is not using specific units as lc intensity could be measured in lumens and oxygen production could have been me mm of Hg Identify the light intensity in which oxygen production first begins to reach its maximum value. 200 units 100 units 700 units 500 units Oxygen Production (syun Kegque)
choose letter pls 1. why is cyclic electron flow important in photosynthesis? a. generates greater amount of energy in simple but efficient pathway.b. allows the plants to conserve energy produced during photosynthesis.c. converts chemical energy from inorganic moleccules with less input of atp.d. allows the plants sensitive to light and living in low light environment to produce atp 2. which of the following does not occur during the light dependent reaction?a. photolysis of h2ob. realease of oxygenc. regeneration of co2 acceptord. phosphorylation of adp forming atp
d) In the presence of sunlight, an electrochemical gradient is generated between two of the spaces within the chloroplast. 1.Describe what happens when a photon of light energy hits a molecule of chlorophyl. 2. What is meant by the term electrochemical gradient? 3.What role does the photosynthetic electron transport chain play in the generation of the electrochemical gradient? 4. Two chemical reactions also contribute to the generation of the electrochemical gradient. What are the reactions, where do they occur, and why do these factors affect the gradient? 5. The electrochemical gradient can be utilised by ATP synthase to generate ATP - explain how the location and structure of ATP synthase enable it to perform this function. e) The light reactions of photosynthesis generate ATP and NADPH for use in the dark reactions (i.e., the Calvin cycle). Why are they needed?
Sans MS A BI U v Av V 14 =<市< 和 Photosynthesis & Cellular Respiration Worksheet 1. What is the overall reaction (equation) for photosynthesis? 2. How does this compare to the overall reaction for cellular respiration? 3. Where does the energy for photosynthesis come from? 4. What plant pigments are involved in photosynthesis? 5. In what organelle of a plant cell does photosynthesis take place? 6. What is produced by photosynthesis? U.S.) Text Predictions: On
Using the “basic” process of photosynthesis as a control, compare the actual processof C3 photosynthesis as well as contrast C4 and CAM photosynthesis.
A. Explain the role of ATP in life process. B. Complete the following table by comparing and contrasting the light-dependent and light-independent reactions of photosynthesis. You may use the link below for reference. https://youtu.be/KfvYQgT2M-k Light- independent reactions Point of Light-dependent reactions Comparison 1. Raw materials 2. Part of the chloroplasts where they occur 3. Light requirements 4. Products 15. Ву-products
I. How Does Light Intensity Affect the Rate of Photosynthesis? Procedure: The purple slider can be used to change the light levels. You will count the number of bubbles at each level. The timer in the square box can be used to measure 30 seconds. Otherwise, a data is provided below for your reference. Light Intensity Number of Bubbles (30 0 sec) 40 45 50 20 | 25 15 11 18 24 31 36 42 47 50 10 30 35 7 c. Oxygen produced by the plant d. CO2 produced from photosynthesis 30. Based on the light test, as you increase the intensity of light, the rate of photosynthesis 29. What does the bubbles represent? a. CO2 consumed by the plant b. Photosynthesis occurred a. Increases b. Decreases c. Stays the Same d. None produced