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BIOL 111 Lecture Notes - Cyanobacteria, Convergent Evolution, Chlorophyll

Biology (Sci)
Course Code
BIOL 111

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Bio 111 Alanna Houston
September 18, 2007
Multicellular Photosynthetic Parasitic Pigments * Flagella Surface
Amoebas (loboseans) N N Few - - 1 Lipid
Apicomplexa N N (has chloroplast) All - 3 0,2 alveoli (sacs) just below membrane
Brown algae (Phaephyta) Y! Y N AC fucoxanthins (3 1 +1 tinsel) cellulose wall
Ciliphores N N (transient) Few - - 100s small alveoli (sacs) just below mem
Diatoms N Y N AC fucoxanthins (3 1 +1 tinsel) MSilicon "Petri dish"
Dinoflagellata N Y (most) Few AC fucoxanthins 3 2 in grooves alveoli+cellulose plates
Euglenoids N Varies N AB beta-carotene 3 2 pellicle (leathery protein
Foraminifera N N N - - 1 CaCO2
Green Algae (Chlorophyta) Y Y N AB beta-carotene 2 2 cellulose wall
Metamonads N N All - - 2 Lipid
Radiolaria N N N - - 1 Silicaceous internal
Red Algae (Rhodophyta) Y Y N A phycobillns 2 0 agar
Slime molds Y N N - - 1 Lipid
Water molds (Oomycetes) Y N Some 1 +1 tinsel cellulose wall
* # of membranes on chloroplast
Protists and the 3 Challenges
Boring after Prokaryotes – not as many categories…
can only be the two listed above whereas prokaryotes
could be any of the ones in the chart.
-Responding to environment:
Contractile vacuoles
Taxis light
Trichocysts of paramecium for defence
Many – what does this mean?*
Haploid: 1 copy
Diploid: 2 copies of each gene (2 matching
-Eukaryotes have sex:
Genes passed on have cycle of:
Haploid Life
Fertilization (2 cells – 1)
Diploid life
Life Cycle
Alternation of generations
Key Benefit of Sex
Reshuffling of genes allows adaptation to
changing environments
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