Which of the following is not involved in cyclic cyclic photophosphorylation? cytochrome bf complex plastocyanin P680 ferredoxin
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- Which of the following is not involved in cyclic cyclic photophosphorylation? Group of answer choices: cytochrome bf complex plastocyanin ferredoxin P680Which cytochrome P450-catalyzed reaction is shown below? R-CH2NH2 [R-CH=NH] Oxidation of aromatic amines Oxidative deamination Oxidative O-dealkylation Oxidative N-dealkylation para-hydroxylation R-CHO + NH3The photosynthetic process used by the green sulfur bacteria, under anaerobic conditions, is best represented by which of the following balanced equations? cell bio 6CO2 + 12H2S C6H12O6 + 6S2 + 6H2O C6H12O6 + C6H12O6 C12H22O11 + H2O 6CO2 + 12H2O C6H12O6 + 6O2 + 6H2O C12H22O11 + H2O C6H12O6 + C6H12O6 C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2O
- Which of the following statements regarding the active site of cytochrome P450s is correct? Cytochrome P450-catalyzed monooxygenation proceeds with low stereoselectivity Cytochrome P450-catalyzed monooxygenation requires two electrons supplied by the redox process involving NADPH and NADP+. The 5th distal position (below the plane of the porphyrin ring) in cytochrome P450 is always occupied by His Cytochrome P450 is responsible for the metabolism of the minority of prescription drugs Cytochrome P450 contains manganeseThe 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*Which of the following complexes is also called Cytochrome Oxidase? Complex I Complex II Complex III Complex IV
- What is the main photosynthetic pigment in eukaryotes and cyanobacteria? Anthocyanin Chlorophyll a Beta-carotene PhycobilinsThe Relative Efficiency of ATP Synthesis in Noncyclic versus Cyclic Photophosphorylation If noncyclic photosynthetic electron transport leads to the translocation of 7 H+/2e- and cyclic photosynthetic electron transport leads to the translocation of 2 H+/e-, what is the relative photosynthetic efficiency of ATP synthesis (expressed as the number of photons absorbed per ATP synthesized) for noncyclic versus cyclic photophosphorylation? (Assume that the CF1CF0-ATP synthase yields 3 ATP/14 H+.)Which of the following statements about the C4 cycle is incorrect? a. CO2 initially combines with PEP. b. PEP carboxylase catalyzes a reaction to produce oxaloacetate. c. Oxaloacetate transfers electrons from NADPH and is reduced to malate. d. Less ATP is used to run the C4 cycle than the C3 cycle. e. The cycle runs when O2 concentration is high.
