BIOL107 Lecture 7: Prokaryotic Cell Interiors
27 Jan 2019
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Prokaryotic cell interiors: 70% of the cell contents is water, cytoplasm-everything inside the plasma membrane, cytosol-the fluid inside the plasma membrane. Some solutes are in the cytosol, but aren"t part of the plasma membrane. Chromosome (feature of the cell: circle of double stranded dna (0. 5-7. 0mb long) and most bacteria have 1 copy per cell, the strand is not open-ended and when it"s untangled, it would be a loop. Nucleoid: the chromosome may be accompanied by some rna and protein are contained in the nucleoid which is like the nucleus of animal cell except that it has no membrane. Biol 107-lecture 7-prokaryotic cell interiors: they synthesize proteins from using the information contained in the messenger. Membrane infolds: they arise from the plasma membrane and provide different functions, examples of function is being used in respiration and photosynthesis (thylakoids) Bacterial microcompartments: an example of this carboxysome of cyanobacteria.
