List several functions of the outer membrane in gram- negative Bacteria. What is the chemical composition of the outer membrane?
Answer to relevant QuestionsWhat cell wall polysaccharide common in Bacteria is absent from Archaea? What is unusual about S- layers compared to other cell walls of prokaryotes? What types of cell walls are found in Archaea? Define the following terms: mature endospore, vegetative cell, and germination. How are the mitochondrion and the hydrogenosome similar structurally? How do they differ? How do they differ metabolically? Cells of Escherichia coli take up lactose via lac permease, glucose via the phosphotransferase system, and maltose via an ABC- type transporter. For each of these sugars describe: (1) the components of the transport system ...DNA molecules that are AT-rich separate into two strands more easily when the temperature rises than do DNA molecules that are GC-rich. Explain this based on the properties of AT and GC base pairing.
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