Week1_Introduction_to_Microbiology

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Week1_Introduction_to_Microbiology

Prokaryotes (Unicellular) vs Eukaryotes (Multicellular)

Ribosome size

70 subunits

80 subunits

Nucleus, Mitochondria, Golgi Apparatus, Endoplasmic reticulum

No

Prokaryote

Yes

Eukaryote

Type of Microbes

Inert biochemical complex (Alive in host/ non-living in environment)

Simple organism: Have RNA/DNA

Very small. Must used electron microscope to see

Acellular

Eukaryotes

Algae

Important in Food chain

Photosynthesis

Cell wall: Cellulose

Unicellular/Multicellular

Singular: Alga

Fungi

Nutrients obtained: By absorption

Reproduce

Produce mold

Have typical mass of mycelia from hyphae

Singular: Fungus

Unicellular(yeast)/Multicellular (Mushroom)

Protozoa

Characteristic

Reproduction

Asexually

Sexually

Found as

Parasites

Free entities

Movement

Cilia

Flagella

Pseudopod

Nutrients obtained: absorption/ingestion from environment

Singular: Protozoan

Prokaryotes

Archaea

Extremophiles (Withstand very extreme temperature)

Thermoacidophiles (Both thermophilic and acidophilic)

Ex: Deinococcus radiodurans aka Conan the Bacterium

Polyexteremophile

Halophiles (Can tolerate saltiness)

Methanogens (reduce CO2 to methane)

Aka Methane-produced bacteria

Chemotrophic (Divert energy from organic and inorganic compound)

Lack in cell wall- peptidoglycan

Ex: Eschericha coli 0157:H7

Virulent stain

Characteristics

Various forms

Various shape

Enclosed genetic material

Naked Genetics

Singular: Bacteria

Unicellular

Importance of Microbiology

Genetic engineering:

Recombine RNA Technology

Produce:

Amino acids

Vitamins

Antibiotics

Reduce waste

As Source of food

Bacteria + Eukaryote vs Archaea + Eukaryote

Archaea + Eukaryote

Component RNA & Protein Synthesis System

Bacteria + Eukaryote

Ester-linked Membrane Lipid

Application

Agriculture

Fertilizer (Effective Microbes)

Enviromental

Bioremedies

Bacteria

Virus

Genetic

GFP (Green Fluorescence Protein)

DNA sequence

Immunology

Cancer Immunology

Industrial

Fuel

Chemical

Food

Yogurt

Cheese

Bread

Medical

Microbial culture

Microscope

Definition

Microbies are organism that are too small to be seen using the naked eye.