Adv Biology Flashcards
The study of living things too small to be seen without magnification
Microbiology
These microscopic organisms commonly called “germs, viruses, agents”
Microorganisms or microbes
Develop taxonomic system for naming plants and animals and grouping similar organisms together
Carolus Linnaeus
Group microorganisms into 6 categories
Antonie Van Leeuwenhoek
Six categories of microorganisms
Fungi
Protozoa
Algae
Bacteria
Archaea
Small Animals
When decaying meat was keep isolated form flies, maggots never developed
Meat exposed to flies was soon infested
As a result scientist began to doubt Aristotle’s theory
Redi’s Experiment
When the swan-necked flask remain upright, no microbial growth appeared
Pasteur’s Experiments
Flavors dependent on the source of milk and the type of microorganism
Cheese
Produced by bacteria or yeast by fermentation of sugars in fruit juice or grain
Acholic beverages
Produced by fungal fermentation of soybeans
Soy sauce
Produced by bacterial fermentation of sugar
Vinegar
Produced by bacteria growing in skim milk
Yogurt
Produced by bacteria growing in cream
Sour cream
Amino acids synthesized by bacteria from sugar
Artificial sweetener
Rising dough produced by action of yeast
Bread
