BIOL 102 Lecture Notes - Lecture 19: Petri Dish, Nuclear Membrane, Metabolic Pathway
Document Summary
Type of bacteria has bits of magnets, used for treating tumours by placing a magnet in tumour; once bacteria containing pharmaceuticals (that can attack the tumour) will explode and attack tumour. Some bacteria express gene in certain temperatures; bacteria will go towards warmer area and attack that spot with pharmaceutical. When in blastocyst state, a portion of cells become specialized. The more the cell specializes, it ends up having only one job. When stem cells differentiate, the cell types have the same genes but some of them are turned off. Genes for actin and tubulin are turned on in cells because they are needed for exoskeleton. Genes for hemoglobin are not expressed in all cell tissues; they may have hemoglobin running through them but not all of them will produce. Once the differentiated cells differentiate, genes are not all turned off in case certain circumstances occur. Adaptive remodelling: take signalling factor and remodel themselves accordingly to bene t the body.
