BIO1130_lct04_StudentX6

BIO1130_lct04_StudentX6 - Proterozoic Eon Geological time...

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Unformatted text preview: Proterozoic Eon Geological time scale and building height (1floor – 60Ma, 72 floors, 12 feet/floor) Major Eons (Ma) – Phanerozoic • (550 Ma to present time, top 9 floors’) – Proterozoic Proterozoic • (2,500 – 550 Ma, 33rd -63rd) – Archaean • (3,800 – 2,500 Ma, 12th – 33rd) – Hadean • (4,500 – 3,800 Ma, 0-12th) BIO1130 Organismal Biology BIO1130 Organismal Biology 1 Université d’Ottawa / University of Ottawa 8:35 PM 2 Université d’Ottawa / University of Ottawa 8:35 PM Archaea, Eubacteria & Eukarya Archaea, Domains of life (Table 21.1) Archaea Cell Wall Plasma membrane Eubacteria Eukarya No peptidoglycan Peptidoglycan Cellulose, chitin or none Branched chain fatty acids Unbranched chain fatty acids Unbranched chain fatty acids Yes; spins Yes spins Yes, doesn’t spin Complex RNA polymerase Simple RNA polymerase Complex RNA polymerase Nuclear envelope No No Yes Circular Chromosome Yes Yes No DNA/histones Yes No Yes Flagella Translation Figure 21.15 Origin of the _____________________ Endosymbiosis Cytoplasm __________ bacteria Chloroplast Nuclear region (Nucleoid) Nuclear material (Nucleoid) _______ bacteria Nuclear envelope Endoplasmic reticulum Endoplasmic retic. __________ __________ Developing endomembranes BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa Figure 2.19 5 8:35 PM BIO1130 Organismal Biology BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa Mitochondria Figure 2.21 6 8:35 PM Page 1 Proterozoic Eon Secondary endosymbiosis Animals Fungi Some protists Plastid Red algae chlorophyll a Plastid Plastid Green algae chlorophyll a & b Land plants Non-photosynthtic eukaryote cell Eukaryote taxa Green plants Green algae Red algae Multiple membrane plastid Multiple membrane plastid Chlorarachniophytes Euglenoids Heterokonts Ciliates Apicomplexans Dinoflagellates Figure 23.2 Figure 23-31 23- Protists as primary Producers Protist locomotion Top predator Fishes Zooplankton Primary consumers Phytoplankton (primary producers) Large Amoeboid Flagellar Ciliary Invertebrates Small Small Large BIO1130 Organismal Biology Dissolved nutrients 10 Figure 47.9 Université d’Ottawa / University of Ottawa Protist locomotion 8:35 PM Protist locomotion Amoeboid movement (Pseudopods) (Pseudopods) Pseudopods) Flagellar and ciliary movement 9+2 organization in pairs ----single Dyenin arms Microtubules Ectoplasm Endoplasm Hyaline cap sperms (anamalia Direction of movement BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 11 8:35 PM Université d’Ottawa / University of Ottawa Figure 2.25 & 26 12 8:35 PM check da pod cast have no idea what he algea said! BIO1130 Organismal Biology Page 2 Proterozoic Eon metachromal wave Protist locomotion Ciliary movement Protist locomotion Flagellar and ciliary movement hylical planar beat Figure 2.26 BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 13 8:35 PM 14 Université d’Ottawa / University of Ottawa 8:35 PM cytostome parameceum Nutritional strategies Ingestive - Animal-like protists Absorptive - Fungal-like protists Photosynthetic - Plant-like protists Protist anatomy Forming food vacuole Gullet Micronucleus Emptying food vacuole Cilia Food vacuole Contractile vacuole emptied BIO1130 Organismal Biology Contractile vacuole filled Macronucleus BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa Figure 23.4 only found in fresh / University of Ottawa Université d’Ottawa water ones keeps em from xplodes 15 16 8:35 PM 8:35 PM diploid state 2n Types of life cycles Haplontic Types of life cycles Dinoflagellate Gyodinium fuscum (n) ON AT I IT M O Mature S SI cell (n) BIO1130 Organismal Biology 17 8:35 PM BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa LI Z asexual clones 1n chromosome set BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa SEXUAL REPRODUCTION ASEXUAL REPRODUCTION RT I • Haploid (n) • Mitosis • Meiosis • Zygote (n) FE Haplontic Alternations of generations Diplontic Some key terms: Parasitic • Diploid (2n) SIS Zygote MEIO (2n) Haploid Diploid Figure 29-20a 29- 18 8:35 PM Page 3 Proterozoic Eon Types of life cycles Types of life cycles Alternation of generations Diplontic Brown algae Laminaria solidungula Laminaria Diatom Cyclotella meneghiniana Cyclotella Meiosis MIT Sporophyte (2n) Gametes (n) MEIOSIS (2n) MI TO SIS Spores ( n) MITOSIS IS OS SEXUAL REPRODUCTION Spores ( n) Haploid Male gametophytes ( n) LI Z AT IO N ASEXUAL REPRODUCTION RT I Mature IS cell OS (2n) MIT Sporophyte (2n) FE GROWTH Female gametophytes ( n) Zygote (2n) Sperm Developing egg Haploid Diploid Egg Haploid Diploid Zygote (2n) Figure 29-20b 29- BIO1130 Organismal Biology Fertilization 19 Université d’Ottawa / University of Ottawa Egg Figure 23-21b 23- Sperm 8:35 PM assexual replication Types of life cycles Parasitic Malaria Plasmodium sp. Malaria Plasmodium Types of life cycles ________ beneath stomach lining Sporozoites migrate to the salivary glands Parasitic Malaria Plasmodium sp. Malaria Plasmodium Female gamete __________ ___________ Male gamete sporogony Mosquito's saliva infects human Ingestion of gametocytes Ingestion of gametocytes Macrogametocyte RBCs Gametogony Liver Sporozoites enter liver cells Merozoites RBCs Microgametocyte Liver Schizont Gametogony ______________ shizogony Trophozoite _____________ Figure 23-14 23- Figure 23-14 23- Types of life cycles Types of life cycles Slime mould Dictyostelium discoideum Dictyostelium Fruiting body Spores Haploid amoeba ________ reproduction Meiosis Haplontic - Fungal-like protists Alternations of generations - ______-like protists Diplontic - _______-like protists Parasitic ___________ reproduction Fusion Diploid Zygote Haploid Diploid BIO1130 Organismal Biology Sperm Figure 23-24 23- BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa 24 8:35 PM Page 4 Proterozoic Eon capsid proteins Virus morphology Viruses Helical Polyhedral recognition protein Enveloped Complex enveloped ¶ H1N1 an enveloped virus BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa 8:35 PM Virus morphology nonevelopped__________ virus virus Figure 22.1 BIO1130 Organismal Biology 25 Viral enzymes Viral DNA inside Capsid (protein) Capsid Protein Sheath Genome (in this case, RNA) Tail Capsid (protein) Envelope (phospholipid bilayer) Figure 22.1 BIO1130 Organismal Biology 27 Université d’Ottawa / University of Ottawa 8:35 PM Viruses – Replication Viral genome Virus particle Host-cell genome ______ cycle 8:35 PM Virus morphology Genome (DNA or RNA) inside Head __________ virus envelopped virus 26 Université d’Ottawa / University of Ottawa Baseplate Recognition fibers BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa Figure 22.1 & 3 28 8:35 PM Viral phases in replication Viral genome Host-cell genome ________ cycle Entry Transcription and viral protein production Replication of viral genome Assembly of virions Exit Transmission to new host Assembling virus particle BIO1130 Organismal Biology Virus particles Figure 22.5 Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 30 8:35 PM Page 5 Proterozoic Eon Viral replication Viruses – Replication T-even phage Exit host - Budding Phage DNA Replicated phage DNA Virus particle E. coli cell Head units Tail units Viral envelope proteins Bacterial chromosome Host cell cytoplasm Host plasma membrane Enveloped virus Phage DNA BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa Figure 22.5 BIO1130 Organismal Biology 31 8:35 PM Viral replication Université d’Ottawa / University of Ottawa Figure 35-15a 35- 32 8:35 PM Viruses aren’t cells? aren’t aren’ No cell membrane No ribosomes No mitochondria DNA (RNA) wrapped in a protein coat BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 34 8:35 PM Page 6 ...
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