BIO 1130 Lecture Notes - Lecture 8: Ribose, Dna Replication, Atp Hydrolysis

• School: University of Ottawa
• Department: Biology
• Course: BIO 1130
• Professor: Jon Houseman

Document Summary

Organization of microtubules with 9 doublets on outside while 2 in centre. Outer doublets interact with each other with dynein motor and slide relative to each other. A proteins confirmation change causes one thing to slide relative to the other, All flagella and cilia of eukaryotes are characterized by the so-called "9+2" structure resulting to the flagella in its helical or planar motion. Alternation of haploid and diploid stages which occurs in the life cycle of sexually reproducing eukaryotic plant like protists. Starts with the diploid sporophytes which undergo meiosis followed by mitosis release haploid spores and then the spores aggregate and some become haploid gametophytes. The gametophytes release the corresponding haploid gamete egg or sperm. The haploid gametes fuse together to form the diploid sporophyte again. Cellular motility involving cytoplasmic streaming of the outer thick ectoplasm and the inner liquid. Form cellular extensions called pseudopodia for phagocytosis. Requires atp and involves interactions between actin filament and myosin motor.