Ch.1 Microbial World & You Flashcards
— are organisms that are too small to be seen with the unaided eye
Microorganisms
Microbes include —,—,—,——, and —
- Bacteria
- Fungi
- Protozoa
- Microscopic Algae
- Viruses
A few microbes are pathogenic (——)
Disease producing
Microbes can decompose ——
Organic Waste
Microbes generate — by —
- Oxygen
- Photosynthesis
Microbes produce chemical products such as —,—, and —
- Ethanol
- Acetone
- Vitamins
Microbes produce fermented food such —,—, and —
Vinegar, cheese, and bread
Microbes produce products used in — (e.g cellulose) and —— (e.g. insulin)
- Manufacturing
- Disease Treatment
Bacteria:
~ —
* “Prenucleus”
~ ——
~ — cell walls
~ Divide via ——
~ Derive — from organic or inorganic chemicals or photosynthesis
- Prokaryotes
- Single-Celled
- Peptidoglycan
- Binary Fission
- Nutrition
Archaea:
~ —
~ Lack — cell walls
~ Often live in — environments
~ Include:
* —, ——, ——
- Prokaryotes
- Peptidoglycan
- Extreme
- Methanogens, Extreme halophiles, Extreme thermophiles
Fungi:
~ —
* Distinct Nucleus
~ — cell walls
~ Absorb —— for energy
~ Yeasts are —
~ Molds and mushrooms are —
* Molds consist of masses of —, which are composed of filaments called —
- Eukaryotes
- Chitin
- Organic chemicals
- Unicellular
- Multicellular
- Mycelia
- Hyphae
Protozoa:
~ —
~ Absorb or ingest ——
~ May be — via pseudopods, cilia, or flagella
~ —— or — (derive nutrients from a living host)
- Eukaryotes
- Organic Chemicals
- Motile
- Free-living or Parasitic
Bioremediation:
~ Bacteria degrade —— in sewage
~ Bacteria — or — pollutants such as oil and mercury
- Organic matter
- Degrade or Detoxify
Algae:
~ —
~ — cell walls
~ Found in —,—, & —
~ Use — for energy
~ Produce — and —
- Eukaryotes
- Cellulose
- Freshwater, saltwater, and soil
- Oxygen and Carbohydrates
Viruses:
~ —
~ Consist of — or — core
~ Core is surrounded by a ——
~ Coat may be enclosed in a ——
~ Are replicated only when they are in a ———
~ Inert — living hosts
- Acellular
- DNA or RNA
- Protein Coat
- Lipid Envelope
- Living host cell
- Outside
Three domains based on cellular organization:
~ —
~ —
~ —
* —,—,—,—
- Bacteria
- Archaea
- Eukarya
- Protists, fungi, plants, animals
— is the study of of bacteria
Bacteriology