Put the events in correct order: + A photon of light excites a pigment molecule in photosystem I + Excitation is transferred to the photosystem II reaction center chlorophyll The photosystem II electron is replaced by splitting of water + Excitation is transferred to the photosystem I reaction center chlorophyll + An electron is donated to NADP+ * A photon of light excites a pigment molecule in photosystem II + The photosystem II reaction center chlorophyll donates an electron to photosystem I via an electron transport chain

Put the events in correct order: + A photon of light excites a pigment molecule in photosystem I + Excitation is transferred to the photosystem II reaction center chlorophyll The photosystem II electron is replaced by splitting of water + Excitation is transferred to the photosystem I reaction center chlorophyll + An electron is donated to NADP+ * A photon of light excites a pigment molecule in photosystem II + The photosystem II reaction center chlorophyll donates an electron to photosystem I via an electron transport chain

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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What are the products of the light-dependent reactions of photosynthesis? 1) production of ATP, oxygen, and NADPH O 2) production of ATP, water, and NADH 3) regeneration of NAD+ O 4) Production of G3P and ATP O 5) production of oxygen and NAD+
IS THIS A GOOD BREAK DOWN? WHAT ELSE CAN I SHOULD I ADD? Briefly explain the light-dependent reactions of photosynthesis: where does this take place, what are the reactants and what is produced? Light-dependent reactions are used to convert light energy into chemical energy for use by the plants. Through the process of photosynthesis, the energy collected from the sun is broken down, along with water molecules, to produce NADPH and ATP. Light-dependent reactions Goal Convert light energy into chemical energy Location Chloroplasts—thylakoids Input Sunlight, H2O, NADP+, ADP Output NADPH, ATP, O2
NAME: Part I- Illuminating Photosynthesis #1: Fill in this concept map depicting the major steps in photosynthesis in the chloroplast: H,0 absorption of absorption of Photosystem I containing, containing. pumps transfers Word Bank: to produce Electron Transport Chain ATP Synthase Calvin Cycle Light synthesizes АТР NADPH Chlorophyll Protons CO2 Photosystem II Electrons O2 synthesizes G3P (Sugar Building Block) #2: Fill in the table: Does this step depend on any other step? How? What would happen if an herbicide disrupted this step? Experimental variable to Major Steps in Photosynthesis measure? Photosystem Il Photosystem I ATP Synthase Calvin Cycle Worksheets for “Killing Chloroplasts" by Angela K. Hartsock NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE
Which of the following processes during photosynthesis is incorrectly coupled to its typical location? Select one: a. Rubisco catalyzes carbon fixation—stroma b. ATP is produced via ATP synthase—thylakoid lumen c. NADPH is oxidized to NADP+—stroma d. Oxygen gas is produced by splitting of water—thylakoid lumen e. Activated P680 donates an electron to the primary electron acceptor—thylakoid membranes
Choose all that apply: The final electron acceptor(s) associated with photosystem II is/are: NADP+ 02 Photosystem I ATP
Typically the CO2 necessary for photosynthesis enters through the stomata of the plant leaves suppose petroleum jelly was used to coat the leaves out of this tomato blocked or closed a) what effect will this have on the light reactions in these leaf cells b) what effect will this have on the Calvin cycle in these leaf cells
The most important result of the light-independent (or Calvin Cycle) reactions is: ??? the addition of phosphate to sugar to form sugar-phosphate the synthesis of sugar from CO2 the change of chlorophyll from green to colorless the transfer of electrons to glucose molecules the rearrangement of sugar molecules to form O2 from H2O
Define the following terms:
Describe the energy flow in the Calvin Cycle of photosynthesis? How many turns are needed to make the final products? Be specific, include the stages the energy quantity and each of the products. Discuss the differences between carbon fixation, reduction and regeneration. Include the products, reactants, total energy required and total electron carriers. What is the final product.
A mutant form of an Arabidopsis thaliana plant has defective chlorophyll production, such that the abundance of chlorophyll molecules in chloroplasts is 5% the normal level, and the chlorophyll molecules are on average too far apart for resonance energy transfer to occur. What will be the effect on the overall efficiency of photosynthesis in the plant? Rationalize your answer
==-------- 4. The reactants (input) for photosynthesis are O carbon dioxide, water, sunlight O glucose, oxygen O glucose, sunlight O water, oxygen, carbon dioxide
The the chlorophyll in the Photosystems's reaction center is special, because when it's excited it: O Gives of heat. Moves the electron via resonent electron transfer. O Is oxidized O is Reduced