Indicate if each description corresponds to photosystem I only, photosystem II only, or both photosystem I and photosystem II. Uses chlorophyll a in its reaction-center The energy from its donated electron is used to 1. Photosystem I generate a hydrogen ion gradient 2. Photosystem II Electrons from water replace this photosystem's donated elctron 3. Both photosystem I and photosystem II Its donated electron is passed to NADP+

Indicate if each description corresponds to photosystem I only, photosystem II only, or both photosystem I and photosystem II. Uses chlorophyll a in its reaction-center The energy from its donated electron is used to 1. Photosystem I generate a hydrogen ion gradient 2. Photosystem II Electrons from water replace this photosystem's donated elctron 3. Both photosystem I and photosystem II Its donated electron is passed to NADP+

Name: 22 Indicate if each description corresponds to photosystem I only, pho
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Description: 22 Indicate if each description corresponds to photosystem I only, photosystem Il only,or both photosystem I and photosystem II.Uses chlorophyll a in itsreaction-centerThe energy from itsdonated electron is used to1. Photosystem Igenerate a hydrogen

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 2TYK

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Plants containing only chlorophyll b are exposed to radiation with the following wavelengths: 10nm (x- rays), 450nm (blue light), 670nm (red light), and 800nm (infrared light). Which plants harness the most energy for photosynthesis? X-ray irradiated plants Blue light irradiated plants Red light irradiated plants Infrared irradiated plants
The Overall Free Energy Change for Photosynthetic NADP+ Reduction What is the overall free energy change (G) for noncyclic photosynthetic electron transport? 4 (700-nm photons) + 4 (680-nm photons) + 2 H2O + 2 NADP+O2 + 2 NADPH + 2H+
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
As electrons move through the electron transport chain of photosystem II, they lose en- ergy. What happens to this energy? A B с D It is used to establish and maintain a proton gradient. It is used to produce NADPH, which accepts electrons from photosystem I. It excites the electrons in photosystem I. The energy is transferred to unusable heat energy and is lost by the system.
Dlagram 4: The Light Reactions of Photosynthesis STROMA ow soncedration Oytnho e mples Photoeystem B Photoeystan I NADP Light OPM THYLAKOID SPACE gh r cenentration Cavin Cyele Thylakoid membrane ATP STROMA dow H ooncentration) ythse ADP Diagram 4 shows a single thylakoid membrane taken from a chloroplast inside of a leaf cell. The events of the light dependent cydle that take place along the thylakoid membrane are shown. ight energy is captured by ATP synthase O Photosystems I and II D NADP+ reductase O The thylakoid membrane's lipid structures
Diagram 4: The Light Reactions of Photosynthesis STROMA dow concentralion Photonystem B Cytch e Photosystem Light omplex Light NADP reductoe NADP NADPH THYLAKOID SPACE igh ooncentration) Cavin Cyle Thylakid menbrane ATP STROMA ow H eone sythase ADP ATP 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. Light energy is captured by O ATP synthase O Photosystems I and II O NADP+ reductase The thylakoid membrane's lipid structures Drovious
OearmTemersture and Aote of Photonanthesis 5 10 15 20 25 30 35 40 lemperature ('C) The photosynthesis is 25 C 15 C SC 30 C Previous OOOO
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)
5) Draw a flow diagram of the electron flow from photosystem Il to Photosystem I. Flow diagram must contain all three steps of electron flow involved in photosynthesis process
During light-generated photosynthesis reaction pH is lowered in 1. Thylakoid lumen 2. Thylakoid stroma 3. Chloroplast intermembrane space 4. Cytoplasm
Give the meaning of the words 1. ATP SYNTHESIS 2. CHEMIOSMOSIS 3. CYCLIC ELECTRON FLOW 4. LIGHT DEPENDENT REACTION 5. NADPH FORMATION 6. PHOTOPHOSPHORYLATION 7. PHOTOSYSTEM 8. PHOTOSYSTEM I 9. PHOTOSYSTEM II 10. THYLAKOID
Choose the CORRECT order of reactions that are conducted by photosystem I. P700 is activated by two photons → two Chl A0 accept two high-energy electrons → one quinone A1 is fully reduced → two electrons are passed on one 4Fe–4S cluster → two molecules of ferredoxin are reduced → ferredoxin–NADP+ reductase takes two protons from the stroma and reduces one NADP+ P680 is activated by two photons → two Chl A0 accept two high-energy electrons → two molecules of ferredoxin are reduced → ferredoxin–NADP+ reductase oxidizes one ferredoxin at a time to reduce FAD to FADH- and then to FADH2 → the proton-motive force is created P700 is activated by a photon → Chl A0 accepts two high-energy electrons → one plastoquinone QA is fully reduced → two electrons are passed on one 4Fe–4S cluster → two molecules of ferredoxin are reduced → ferredoxin–NADP+ reductase takes two protons from the stroma and reduces one FAD P700 is activated by a photon → pheophytin accepts two high-energy electrons →…