2c.2d.We know that most pigments are found in the chloroplasts of eukaryotic cells.Specifically WHERE is chlorophyll located in the chloroplast?Some PROKARYOTES are photosynthetic. Predict where the pigments mightbe located in these cells.Activity #3. Determining optimal wavelength of light used during spinach leafphotosynthesisNote: You'll need to read through this lab exercise and your textbook to answer thesequestions.Answer choices for questions #1-4(Each answer can be used more thanADPATPCO₂GlucoseH₂OLightNADP+NADPH0₂3. Which of the above are directly required by the light reactions? Hint: See thephotosynthesis chapter in your textbook.4. Which of the above are directly produced by the light reactions?5. Which of the above are directly required by the Calvin cycle?6. Which of the above are directly produced by the Calvin cycle?117. (a) In our experiment, what will cause the leaf discs to float?(b) The greater the number of floating discs, the (greater or lesser) the rate ofphotosynthesis. 8. (a) What's produced when NaHCO3 is dissolved in water?(b) Based on your answer to part a, explain why you think NaHCO3 is being used inour experiment.9. (a) In our experiment, the leaf discs will float as a result of a gas that's produced bythe (light reactions or Calvin cycle ).(b) Consider the process you selected in the previous question. Is CO2 directlyrequired for this process to occur?(c) Based on your answers to parts a and b, you should be able to tell that CO2 is notdirectly required for light reactions to occur. However, if CO2 is removed from a plantcell's environment, the plant cell will eventually stop performing the light reactions(i.e. it will eventually stop producing oxygen gas). Explain why this is the case. Hint:Think about whether the Calvin cycle produces anything that's required by the lightreactions.10. (a) Green pigments appear green because they (absorb or reflect) green light.Hint: See the photosynthesis chapter in your text.any green light that it receives.(b) Consider a green plant. It looks green because it is ( using up or spitting out)(c) Based on your answer to part b, you can predict that if a green plant receives onlygreen light, it will grow (well or poorly).11. Next to each color of light below, write whether you believe it will increase or notaffect a green plant's rate of photosynthesis.a. Blueb. Redc. Yellow

According to our guideline we can answer only the first question up to first three subparts. So,…

2c. 2d. We know that most pigments are found in the chloroplasts of eukaryotic cells. Specifically WHERE is chlorophyll located in the chloroplast? Some PROKARYOTES are photosynthetic. Predict where the pigments might be located in these cells. Activity # 3. Determining optimal wavelength of light used during spinach leaf photosynthesis Note: You'll need to read through this lab exercise and your textbook to answer these questions. Answer choices for questions #1-4 (Each answer can be used more than ADP ATP CO2 Glucose H₂O Light NADP+ NADPH 02 3. Which of the above are directly required by the light reactions? Hint: See the photosynthesis chapter in your textbook. 4. Which of the above are directly produced by the light reactions? 5. Which of the above are directly required by the Calvin cycle? 6. Which of the above are directly produced by the Calvin cycle?

2c. 2d. We know that most pigments are found in the chloroplasts of eukaryotic cells. Specifically WHERE is chlorophyll located in the chloroplast? Some PROKARYOTES are photosynthetic. Predict where the pigments might be located in these cells. Activity # 3. Determining optimal wavelength of light used during spinach leaf photosynthesis Note: You'll need to read through this lab exercise and your textbook to answer these questions. Answer choices for questions #1-4 (Each answer can be used more than ADP ATP CO2 Glucose H₂O Light NADP+ NADPH 02 3. Which of the above are directly required by the light reactions? Hint: See the photosynthesis chapter in your textbook. 4. Which of the above are directly produced by the light reactions? 5. Which of the above are directly required by the Calvin cycle? 6. Which of the above are directly produced by the Calvin cycle?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter8: Photosynthesis

Section: Chapter Questions

Problem 3TYK: Which of the following is a correct step in the light-dependent reactions of the Z system? a. Light...

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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
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.
10. Observe the graph on the right. If you had a hypothetical plant that only had a hypothetical photopigment with an absorption maximum at 585, which color light would produce the highest rate of photosynthesis? ltra Violet Blue 456-492 nm Green 492677 nm Yellow Orange 597-620 nm Red intra vielet red 400-455 nm 677-697 nm 620-700 nm nm 400 500 600 700 short wtength Ieng vetength high fmuency lawhumcy
Diagram 41 The Light Reactions of Photosynthesis STROMA Poteyte Potayate mples HAD Light HLARO ACE (high ir Carto Thylakold membrane ATP ynthase STROMA ow N concentration) ADP Diagram 4 shows a single thylakoid membrane taken from a chloroplast inside of a leaf cell. The events of the light dependent cycle that take place along the thylakoid membrane are shown. Identify an energy transfer that takes place n Diagram 4. Light energy is directly transferred into the chemical bonds of sugar. O Light energy is directly transferred into the chemical bonds of ATP The energy of the bonds of water are transferred into the chemical bonds of ATP. The energy from an excited electron is transferred into the chemical bonds of NADPH.
The diagram below shows the thylakoid membrane. Give reasons why you think the structure you see is PSI, PSII, cytochrome, or ATP synthase. STROMA Thylakoid membrane Lumen CP43 2H₂O D2 Cyt Osse Pheo Tyrz Mn Peao Mn D1 Mn Mn CP47 MSP O₂ + 4H*
Diagram 4: The Light Reactions of Photosymtnes STROMA dow soncentrations Photoeystem PhotoeytmE oomple Light Ligt THYLAKOID SPACE Ohigh concentration) Thylakold membrane ATP wynthase STROMA low H concentration) ADP en from a chloroplast inside of a le the light dependent cyde that take place along the thylakoid membrane a Diagram 4 shows a single thylakoid membrane In photosystem I and II, an electron will O be transferred to ATP be transferred to NADPH lose energy gain energy
JT Model 2: Cross section of a leaf T 1. Label the following parts of the leaf on Model 2: ◆ Spongy mesophyll ◆ Palisade mesophyll Epidermis • Vascular bundle 2. Most photosynthesis occurs in the cells of the palisade mesophyll and the spongy mesophyll. For photosynthesis to occur, these cells must receive the reactants needed for photosynthesis and be able to allow the products to exit. (a) Draw an arrow indicating the pathway you think CO₂ follows to enter the leaf. Student Res
naam te gee / Using the light microscrope, compile neat and accurate drawings of each leaf with the C3 and C4 photosynthetic routes, and highlight the functional and anatomical features. Please annotate the following: Epidermis, mesophyll (palisade and spongy), stomata, vascular bundles (xylem and phloem), bundle sheaths, chloroplasts, air spaces, Krantz anatomy. Remember to name your drawings.
Diagram 4: The Light Reactions of Photosynthesis STROMA (low H* concentration) Cytochrome complex Photosystem I Photosystem I Light NADP reductase 4H NADP + H NADPH THYLAKOID SPACE (high H* concentration) 4 H* Thylakoid membrane ATP synthase STROMA (low H concentration) ADP Diagram 4 shows a single thylakoid membrane taken from a chloroplast inside of a the light dependent cycle that take place along the thylakoid membrane In the Thylakoid space water is split into O 02 H* and electrons O H*, ATP and O2 O Photosystem II, electrons and oxygen O 02 and chlorophyll
of the claSS. 1. How do plants acquire the starting reactants of photosynthesis (CO, and H,O)? What do plants do with the products of photosynthesis (O, and carbohydrates)? 2. A plant may be using more energy to fuel life processes (cell respiration) than it is taking in through photosynthesis either because its cell respiratory rate is elevated or because photosynthetic rate is diminished. a. What is one potential reason why a plant may be forced to elevate its cell respiratory rate? b. What is one potential reason for why a plant may experience diminished photosynthetic rates? 65 1161_Ch_12_M....pptx
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
Describe the role of chlorophylls, bacteriochlorophylls, accessory pigments, reaction-center pigments, and antennae pigments in capturing radiant energy.