BIOL 1030 Week 3 Lecture Notes
BIOL 1030 Week 3 Lecture Notes BIOL 1030 - 002
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This 0 page Class Notes was uploaded by Emma Cox on Friday January 29, 2016. The Class Notes belongs to BIOL 1030 - 002 at Auburn University taught by Debbie R. Folkerts in Summer 2015. Since its upload, it has received 70 views. For similar materials see Organismal Biology in Biology at Auburn University.
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Date Created: 01/29/16
Gromphadorhina potentose Madagascar giant hissing cockroach 0 00000 O G Blaberidae Blattodea Insecta Hexapoda Arthropoda A E Spiracles air travels through tubules and go to inner parts of body found along side of cockroach Apterous Without Wings E Coli beneficial gut ora dangerous serotypes exist gram negative Nitrogenfixing bacteria Spirochetes spirilla Chlamyidia chlamydias lack peptidoglycan gram negative all are intracellular parasites of animals including a common human STD Mycoplasmas 0 Lack cell walls so gram neg but are related to gram positive 0 Smallest of all cells 0 Freeliving and pathogenic D Eukarya O 4 Kingdoms I true nucleus I other membranebound organelles I cytoskeleton I sexual reproduction and asexual Sexual reproduction maintains variability Within offspring Extremely successful With environmental change Sexual reproduction results in a reduction of chromosome number at some point and chromosomal variability in the end Haploid n half the number of chromosomes 23 for humans Diploid 2n full genetic material 2 of each kind of chromosome 46 for humans Homologous O Maternal and paternal O Mitosis replication 1 division I 2n I 2n I n I n O meiosis replication 2 divisions I 2n I n W variation gamete reproductive cell haploid O syngamy fusion of gametes I plasmogamy I fusion of organelles nn 12816 I karyogamy I fusion of the nuclei 2n 0 produced by meiosis for diploid organisms or mitosis for haploid organisms I zygote diploid cell produced by syngamy I spore singlemulticellular 2nn sexualasexual 0 enable organism to go through dormancy and dispersal I syngamy allows conversion of haploid to diploid 0 meiosis allows conversion from diploid to haploid I 3 basic patterns 0 zygotic meiosis fungi and some Protista I zygote undergoes meiosis O gametic meiosis Animalia and some Protista I gametes are produced by meiosis I only diploid cells can do meiosis O sporic meiosis Plantae and some Protista I alternation of generations I spores produced by meiosis I evolutionary trends 0 000000 single celled I multicellular plesiomorphic I apomorphic asexual I sexual zygotic I gametic I sporic meiosis isomorphic I heteromorphic dom Gam I dom Spor Isogamy produce gametes of only one kind Ianisogamy ex oogamy one egg and one sperm 0 K Protista O O O formerly known as kingdom Protista polyphyletic group I mostly unicellular I zygotic gametic or sporic meiosis I heterotrophic autotrophic or mixotrophic 4 or 5 monophyletic clades I an abandoned taxon or soon to be Phylum diplomonadida I Double nuclei make them look like they have faces I Number of agella I Lack mitochondria I Endosymbiotic most live in the gut of vertebrates primarily insects I Anaerobic I Mutualistparasitic I Giardia intestinalis 0 Phylum Parabasala I Synapamorphy indicated by phylum name I Parabasal organ large and modified golgi apparatus I Trichomonas vaginalis I Trichonympha spp spp multiple species I Axostyle 0 Phylum Kinetoplastida I Movement and membrane bound structures I Have one large mitochondrion with a big DNA molecule inside of it I B0d0 free living two agella I Kinetoplast I Heterotrophic I Trypanosoma brucei carried by Tsetse y African Sleeping Sickness I 2 hosts vector transmits from one host to another 0 Phylum Euglenozoa Euglenophyta I Free living I Flagellates I Stigma little red spot primitive eye near base of agella allows for response to environmental factors I Taxis oriented movement in response to an environmental factor 0 Phototaxis movement in response to light for photosynthetic organism I Undulations start at tip of agella and move towards base allowing euglena to pull itself through water 0 Phylum Dino agellata I Capable of spinning because one of the agella goes around a circumferential groove I 2 agella circumferential groove and regular I Gimnodinium 0 Marine waters 0 Bloom population explosion of a photosynthetic organism 0 Red tides I Noctiluca sea sparkle makes light at night 0 Bioluminescent 0 Phylum Apicomplexa I Synapomorphy that defines the group apical complex I Parasitic I Complex lifecycles 0 Spore forming parasite I Plasmodium spp Malaria I Anopheles mosquito I Primary host v secondary host Primary host one in which sexual reproduction occurs Secondary host one in Which asexual reproduction occurs I Plasmodium life cycle 1 Mosquito inject sporozoite n 2 blood I liver I bloodstream 3 enter RBC trophozoite n 4 Schizogony I merozoites n I enter RBC and begin to feed converting to trophozoites feverchills 5 I gametocyte picked up by mosquito 6 I gametes n 7 Syngamy I oocyst 2n zygote 8 Meiosis I n sporozoites mosquito is primary host human is secondary host this is an example of zygotic meiosis I Phylum Ciliophora Cilium pl ia 0 Short numerous Oral groove Cytostome mouth of the cell food particles can cross through the membrane Cytopharynx similar to throat Food vacuole Where digestion takes place lysosomes release digestive enzymes in the vacuole Cytoproct cell anus Phagocytosis cell eating Exocytosis Paramecium multimicronucleatum
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