Tonoplast is a membrane around cytoplasm vacuole mitochondria nucleus TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following functional groups would make a carbon-based compound the least polar? Carboxyl Amino Methyl Phosphate TRUE ANSWER : ? YOUR ANSWER : ?
The cellular organelle associated with secretion is the mitochondrion ribosome golgi complex lysosome TRUE ANSWER : ? YOUR ANSWER : ?
Both plant and animal cell possess central vacuoles cell walls chloroplast mitochondria TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements about the outer mitochondrial membrane is not true? The outer membrane is about 50% lipid and 50% protein by weight The outer membrane is highly permeable to substances of small molecular weight The outer membrane is impermeable to hydrogen ions The outer membrane contains porins TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following experimental results does not support Mitchell's chemiosmosis theory? 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 Electron transport in isolated mitochondria was shown to result in acidification of the medium TRUE ANSWER : ? YOUR ANSWER : ?
Mitochondria can be expected most numerous in muscle cells red blood cells none of these green cells TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements about mitochondrial proteins is true? All mitochondrial proteins are coded for and synthesized in the mitochondria Some mitochondrial proteins are coded for and synthesized in the mitochondria and others Mitochondrial proteins arise from other mitochondrial proteins All mitochondrial proteins are imported from the cytoplasm 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? Ubiquinol (UQH2) Cytochrome c oxidase Cytochrome c red Cytochrome c peroxidase TRUE ANSWER : ? YOUR ANSWER : ?