Which of the following statements about mitochondrial proteins is true? All mitochondrial proteins are imported from the cytoplasm Some mitochondrial proteins are coded for and synthesized in the mitochondria and others All mitochondrial proteins are coded for and synthesized in the mitochondria Mitochondrial proteins arise from other mitochondrial proteins TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following functional groups would make a carbon-based compound the least polar? Amino Carboxyl Methyl Phosphate TRUE ANSWER : ? YOUR ANSWER : ?
What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients? Glycolysis Creatine phosphate The redox reactions of electron transport ATP TRUE ANSWER : ? YOUR ANSWER : ?
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? Cytochrome c peroxidase Ubiquinol (UQH2) Cytochrome c oxidase Cytochrome c red TRUE ANSWER : ? YOUR ANSWER : ?
Which molecule serves as a carrier of fatty acids in mitochondria? Carnitine Dolichol Acetyl-CoA Malonyl-CoA TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following experimental results does not support Mitchell's chemiosmosis theory? Electron transport in isolated mitochondria was shown to result in acidification of the medium Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis 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 TRUE ANSWER : ? YOUR ANSWER : ?
Lysosomes are associated with photosynthesis digestion storage respiration TRUE ANSWER : ? YOUR ANSWER : ?
Cellular organelles are embedded in the microtubules endoplasmic reticulum cristae cytosol TRUE ANSWER : ? YOUR ANSWER : ?
In plant cells, which of the following is not a function of the large central vacuoles of plant cells? Waste storage water content Contractile regulation of Storage of food Support TRUE ANSWER : ? YOUR ANSWER : ?
Any system that is not at equilibrium is thermodynamically unstable, although it may be kinetically stable is rushing toward equilibrium at a very rapid rate requires an enzyme to reach equilibrium is kinetically unstable, although it may be thermodynamically stable TRUE ANSWER : ? YOUR ANSWER : ?