2018-09-12-Lec06cell.ppt - General Biology 1 Biol 210 PyMol Invoice Number 106434 USER 19sept11 PASSWORD jyqjclg5 Fall 2018 Hemoglobin 5hy8 2 Major cell

2018-09-12-Lec06cell.ppt - General Biology 1 Biol 210 PyMol...

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General Biology 1 Biol 210 Fall 2018 Hemoglobin 5hy8 PyMol Invoice Number 106434 USER:  19sept11 PASSWORD:   jyqjclg5
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2 Major cell types based on  Morphology Prokaryote = lack nucleus Eukaryote = possess nucleus
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Morphology = 2 cell types Genetics = 3 cell types
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Prokaryote Prokaryote = no nucleus No nucleus
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Prokaryote Prokaryote = no nucleus No nucleus DNA in cytoplasm
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Prokaryote Prokaryote = no nucleus No nucleus DNA in cytoplasm DNA – RNA – Protein can take place simultaneously
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Prokaryote Central Dogma DNA Cytoplasm Cell wall Cell membrane
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Prokaryote Central Dogma DNA Cytoplasm Cell wall Cell membrane RNA
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Prokaryote Central Dogma DNA Cytoplasm Cell wall Cell membrane RNA Ribosome
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Prokaryote Prokaryote = no nucleus No nucleus DNA in cytoplasm DNA – RNA – Protein can take place simultaneously Cell processes diffusion- dependent
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm Attachment structures on surface of some prokaryotes
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm Region where DNA located
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm Protein synthesis machinery Proteins + ribosomal (r)RNA
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm Phospholipid bilayer + Proteins = controls what enters & leaves cells (some have two)
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm Rigid wall, protects cell from environment (penicillin blocks synthesis, pathogens die)
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm Carbohydrate-rich outer coating of many prokaryotes
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Fig. 6-6 Fimbriae Nucleoid Ribosomes Plasma membrane Cell wall Capsule Flagella Bacterial chromosome (a) A typical rod-shaped bacterium (b) A thin section through the bacterium Bacillus coagulans (TEM) 0.5 µm Locomotion organelles for some prokaryotes – rotate to cause movement
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In general, prokaryotes much smaller  than eukaryotes Prokaryote = 1-5 µm diam. Eukaryote = 10-100 µm diam.
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  • Winter '18
  • GeorgeR.Bousfield
  • Bacteria, Prokaryote

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