Chem Quiz 1 Flashcards
(55 cards)
Parts of a cell
Plasma membrane
Nucleic acid (DNA and RNA)
Cytoplasm
What’s microbiology?
Study of small and single called organisms
Who first discovered living organisms under a microscope, Dutch merchant.
Antoine van Leeuwenhoek
What’s the battle over spontaneous generation and biogenesis
Can organisms arise from inorganics or do organisms arise from other organisms
What did Redi do
Meat and maggot experiment
What did spallanzani do
Repeated Redi but used hey
What did Louis Pasteur believe
Biogenesis. Organisms in the air get into the infusion and contaminate it
What did Semmelweis do
Used good hygiene to stop spread of disease. puerperal fever - pregnant women)
What did john snow do
Cholera in London, advent of epidemiology
What did Joseph lister do
Disinfection in the surgery room
Louis Pasteur and Robert Koch
Pasteur - fermentation = sugar — > alcohol w/yeast, beer disease caused by bacteria, stop w/pasteurization.
Koch - postulates. Confirming etiology of disease, 1st w/tuberculosis.
What are eukaryotic cells
Us!!!!!!
What are prokaryotic cells
Lack a nuclear membrane
What are some eukaryotes
Algae, Protozoa
What are some prokaryotes
Bacteria, archaea
What are some acellular organisms
Viruses, prions
What did Paul Erich do
Used an inorganic compound, one was arsenic (as therapies)
What did Alexander Fleming
Discovered certain microbes will release chemicals to kill other microbes. Penicillin. Anti microbial enzyme lysozyme.
Immunology
The study of how eukaryotes defend themselves against pathogens
Edward Jenner…
Intro of cowpox vaccine to prevent smallpox (late 1700’s)
What else did Pasteur do….
Controlled produced of vaccine, take a pathogen and weakening it to use as a vaccine.
Von Behring and kitasato
What protected you was a protein. Discovered antibodies protect from disease. Diphtheria.
Short term Immunity by giving antibodies to unprotected people.
Atom…
Protons, neutron and electrons
Molecules are….
Formed by bonds they are elements
