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- P700* Has the Most Negative Standard Reduction Potential Found in Nature In photosystem I. P700 in its ground state has an = +04 V. Excitation of P700 by a photon of 700-nm light alters The of P700* to -0.6 V. What is the efficiency of energy capture in this light reaction of P700?25/ 50 Which of the following is not true about near electron flow? A Photosystems I l are involved BPhotooxidation of chlorophyll a at the reaction center C Oxidation of NADPH D Electron flow through an electron transport chain E. Oxygen is releasedCalculate the reduction potential of cytochrome a3 (°' = 0.385 V) at 25.0°C when the Fe3+ form = 87.0 μM and the Fe2+ form = 25.0 μM. 0.440 V 0.353 V 0.417 V 0.387 V
- What is the Vmax of an enzyme at 1 μM with -4G RT k = 6.2x 10¹2 s-1 (Ideal gas constant R = 8.314 J K-1 mol-1) cat 0.14 μM S-1 1.4 µM s-1 14 μM s-1 0.14 mM s-1 1.4 mM s-1 activation energy (AG) of 55000 J/mol at 298K?avelengths (Choose J |Choose | graph plotting a pigment's light absorption versus wavelength reaction- center complex is system consists of a reaction-center complex surrounded by nt-harvesting complexes absorption spectrum spectrophotometer molecule located in the reaction center accepts excited ctrons photosystem light harvesting complex reaction-center chlorophyll a of this photosystem iş called P680 ause it is best at absorbing a wavelength of 680 nm. primary electron acceptor wavelength PSI estion 4 PS II action spectrum >t12 values for the degradation of chlorophyll-a in canned green beans heated at various temperatures Temperature ("C) t12 values (min) 105 22.6 115 4.2 125 1.2 Find out the z value for the degradation of chlorophyll-a in canned green beans at 105°- 125°C.
- Calculate AGo' for the reaction NADH + pyruvate → NAD+ + lactate You are given: Faradays constant F = 96.5 kJ/mol.V Eo' : NAD+ / NADH = 0.320V Eo' : Pyruvate/lactate = -0.185 V A. 13 kJ/mol В. 97 k j/mol С. 49 kJ/mol D. 26 k j/mol Е. None of the above B.Please answer fast The equilbrium constant (Keq) under standard conditions for the hydrolysis of ATP is 200,000 M. This would suggest the reaction is: 1. proceeding in reverse direction 2. proceeding in forward direction 3. in equilibrium However, this does not take into consideration the concentration of substrates/products within the cell. This is can be calculated by determining the reaction quotient, Q by: [ATP] x [Pi] / [ADP] [ATP] + [Pi] / [ADP] [ADP] x [ATP] / [Pi] [ADP] x [Pi] / [ATP] Biochemical reactions commonly involve the transfer of groups from ATP. What is one of the products of pyrophosphate cleavage from ATP? AMP Adenosine ADP Inorganic phosphate Q5-6. The hydrolysis of ATP is often coupled to other reactions. For example: Phosphoenolpyruvate (PEP) + H2O → Pyruvate + Pi (ΔG'° = -63.1 kJ/mol) ATP + H2O → ADP + Pi (ΔG'° = -30.5 kJ/mol) (The standard free-energy changes for the reactions are indicated in brackets) Q5. Given the information above, what is the…AA View Tell me Convert to SmartArt W- Picture Shapes - Text Box Arrange Quick d Tue Dec 6 3:13 PM ♫ Share Design Qsn 2 (a) A pathway consists of 6 enzymes (p, q, r, s, t, u) that convert substrate J to product X at a rate of 10 moles/hour. If enzyme q is increased from 5 mmoles to 35 mmoles the amount of product X increases to 20.5 moles/hour. What is the flux control coefficient for enzyme q (C¹)?
- A solution containing 0.00001 M ATP has transmission 70.2\% at 260 nm in 1 cm cuvette calculate the transmission of solution in a 3 cm cuvettePhotosyntheis equation 6H20 Light C6H1206 , 602 Охудen 6CO2 Carbon dioxide Water Sugar Aerobic cellular respiration Chemical Equation - Aerobic Respiration CH1206 + 6 O2→ 6 CO2 + 6 H2O + 36 ATP Anaerobic respiration Lactic Acid Fermentation CH,20 2C,H,O, + 2 ATP Alcohol Fermentation C,H,,0 2C,H,OH + 2CO, + 2 ATP What chemical reaction happens in your body that causes you to breathe out carbon dioxide? Explain your answer by talking about the inputs and outputs of the chemical reaction. (Level 3) + tv MacBook Air DII DD 80 F8 F9 F10 F4 F5 F6 F7 F3 #3 2$ & 3 4 9. 7 Y F H J * 00 トPhotosynthesis and Cellular Respiration: Mastery Test A particular single-celled organlsm uses radlant energy to fix carbon as sugars. This organism generates ATP by breaklng down sugars through a process that uses oxygen. Based on this Information, how should this organism be classifled? OA anaeroblc autotroph O B. aerobic autotroph Oc aeroblc heterotroph O D. anaeroblc heterotroph Reset Next m. All rights reserved. acer -> 女 #3 & 3 4. 5 7 8. 9. e r y d f g. k 口
