Micro Flashcards
Antoine van Leeuwenhoek
First person to build and use a microscope
Carolus Linnaeus
Taxonomy and nomenclatures
Joseph Lister
Antiseptics
Hand washing
Ignaz Semmelweis
Made connection between puerperal fever and examinations to delivery women
Alexander Fleming
Antibiotics
Discovered Penicillin
What are Koch’s postulates?
Causative agent found
Agent must be isolated and grown outside the host
When agent is introduced into a healthy host, the host must get the disease
The same agent must be re-isolated from experimental host
Germ theory of disease
Pasteur
Microorganisms could be the cause of disease
Monosaccharides
Sugars that can not be hydrolyzed
Disaccharides
2 monosaccharides
Polysaccharide
Several monosaccharides grouped together
Carbohydrates
Monosaccharides 1
Disaccharides 2
Polysaccharides 3+
Lipids
Triglycerides
Phospholipids
Triglycerides
Three fatty acid groups
Natural fats and oils
Phospholipids
Class of lipids who are hydrophobic
DNA structure and sugars
1 Phosphate
1 Sugar
1 Nitrogen base
RNA structure and sugars
Consist of 4 nitrogenous bases
Gram stain procedure
Application of a primary stain - Cresyl violet (Blue)
Depolarization - Cell wall (Positive or negative charge)
Counterstain - Safranin (Pink)
Gram positive
Blue/Purple
Skin
Mucus membranes
Thick Peptidoglycan ()
Gram negative
Red/Pink
Gastrointestinal track
Urogenital Track
Thin peptidoglycan layer (Doesn’t hold pink primary stain)
Atypical Bacteria
Does not respond to primary stain nor counterstain
Do not show color
Due to lack of cell wall