Thylakoid lumen - Study guides, Class notes & Summaries

Tyr122 is important in the mechanism of the E. coli ribonucleotide reductase. The function of this amino acid in the mechanism is to carry out a nucleophilic attack on the substrate. coordinate water in the active site. generate the Cys439 radical species. hydrogen-bond to the phosphates of the substrate. correct answers generate the Cys439 radical species. Which of the following is the reaction for nitric oxide synthase? citrulline + NO + 1.5 NADP+ L-arginine + 1.5 NADPH + H+ + 2O2 ...

The term greenhouse effect refers to the idea that correct answers The temperature of the earth is increasing because of heat trapped by gasses such as CO2 What is the overall reaction for the Calvin Cycle, or dark reactions? correct answers 3CO2 + 6NADPH + 9ATP + 6H2O --> Glyceraldehyde-3-Phosphate + 6 NADP+ + 9ADP + 9Pi What is the overall balanced reaction for the light reactions of photosynthesis? correct answers 2H2O + 8photons + 2NADP+ + 3ADP + 3Pi --> O2 + 2NADPH + 3ATP For...

Approximately how many light harvesting chromophores ar found per photosystem enzyme, such as in PSI and PSII? A. 2 B. About a dozen C. About 100 to 200 D. About 1000 to 2000 correct answers C. About 100 to 200 All of the following are true of both chloroplasts and mitochondria EXCEPT that they A. have one highly folded membrane B. Produce ATP inside the organelle C. Produce NADPH inside the organelle D. Are present in photosynthetic plant cells correct answers C. Produce NADPH inside...

BCHM 307 PHOTOSYNTHESIS TEST QUESTIONS WITH ALL ANSWERS REVISED & UPDATED Which of the following describes photorespiration? 1) consumes NADPH 2) consumes ATP 3) consumes oxygen 4) consumes CO2 5) all of these answers are correct - Answer-5) all of these answers are correct Regeneration of the rubisco substrate, ribulose-1, 5-bisphosphate involves which of the following sugars? 1) a pentose-phosphate 2) a hexose-phosphate 3) a tetrose-phosphate 4) a heptose-phosphate 5) all o...

3-Phosphoglycerate produced in the stroma may ultimately appear as 3-phosphoglycerate in the cytosol. What other effects would accompany this process? A) the production of NADH in the stroma B) net consumption of ATP C) the production of ATP in the cytosol D) net production of ATP E) the production of ATP in the stroma - C) the production of ATP in the cytosol A precursor in the synthesis of the peptidoglycan of bacterial cell walls is UDP-: A) galactose. B) glucose. C) glucuronic acid...

BS 161 Exam 3 Questions Marking Scheme Which of the following sequences CORRECTLY represents the flow of energy through living systems? - Answer -light → photosynthesis → carbohydrate → cellular respiration → ATP → heat Where is the photosynthetic electron transport chain located in plant cells? - Answer -in the thylakoid membranes of the chloroplast In a thylakoid membrane, absorbed light energy is passed from one chlorophyll molecule to another until it is: - Answer -passed ...

Bio 172 Exam 2 Questions and Answers Already Graded A What is true about the reaction show below? C6H12O6+6O2 -> 6CO2+6H2O+energy O2 is reduced during the reaction Quinone is an electron carrier that shuttles electrons between Complex I and Complex III. What is true about electron transfer between Complex I and Complex III? Quinone gets oxidized by Complex III. Below is the equation that represents Phase 3, the energy producing or payoff phase of glycolysis. Using the equati...

Green River College: BIOL 100 Unit 3 Notes Latest Updated Chapter 6: Energy for life Learning Objectives: 1. Identify the cellular structure where photosynthesis occurs and describe its function. 2. State the overall chemical equation for photosynthesis. 3. Recognize what is meant by the terms reduction and oxidation. 4. Describe the function of photosynthetic pigments. 5. Explain the flow of electrons in the light reactions. 6. Explain how ATP and NADPH are generated in the light reac...

ADVANCED PLACEMENT (AP) BIOLOGY: Photosynthesis 33 Questions Correctly Answered | 100% Rated Where does the Calvin Cycle take place? Possible Answers: Mitochondrial lumen Chloroplast outer membrane Thylakoid membrane Cytoplasm Stroma Correct answer: Stroma Question 2 Where does the Calvin cycle take place in the chloroplasts? Possible Answers: Stroma EXAM Mitochondria Nucleus Thylakoid Correct answer: Stroma Question 3 What is the name of the light-independent reaction of photosynthesis?...

AQA A-level BIOLOGY (7402/1) Paper 1 PREDICTION QUESTIONS AND ANSWERS 2024 SPECIMEN VI Question 1: (a) Describe what is meant by the term 'metabolic rate'. [2] (b) Explain how the control of body temperature is an example of homeostasis. [4] Answer 1: (a) 'Metabolic rate' refers to the rate at which chemical reactions occur within an organism's cells. It's a measure of the amount of energy expended by an organism per unit of time. (b) The control of body temperature is...