Plant Structure If the ends of the following polysaccharide are pulled, which one would stretch the most? Cellulose Starch None of these Glycogen Cellulose Starch None of these Glycogen ANSWER DOWNLOAD EXAMIANS APP
Plant Structure Which of the following experimental results does not support Mitchell's chemiosmosis theory? Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis Electron transport in isolated mitochondria was shown to result in acidification of the medium An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis Electron transport in isolated mitochondria was shown to result in acidification of the medium An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport ANSWER DOWNLOAD EXAMIANS APP
Plant Structure What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients? ATP Creatine phosphate Glycolysis The redox reactions of electron transport ATP Creatine phosphate Glycolysis The redox reactions of electron transport ANSWER DOWNLOAD EXAMIANS APP
Plant Structure Which of the following elements is likely to form the least polar covalent bond with hydrogen? Phosphorus Oxygen Carbon Nitrogen Phosphorus Oxygen Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Plant Structure Water content of active protoplasm is 40% 70% 90% 10% 40% 70% 90% 10% ANSWER DOWNLOAD EXAMIANS APP
Plant Structure If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor? Ubiquinol (UQH2) Cytochrome c red Cytochrome c peroxidase Cytochrome c oxidase Ubiquinol (UQH2) Cytochrome c red Cytochrome c peroxidase Cytochrome c oxidase ANSWER DOWNLOAD EXAMIANS APP