People/Experiments(Exam 1) Flashcards
Who discovered DNA?
Albert Kossel
Key person in RNA research (ratio of AT and GC)
Erwin Chargaff
What did Watson and Crick do?
they discovered the structure of DNA
Johannes Vermeer was a ___ in a city in Netherlands
painter
Johannes Vermeer cheated (not really) by using __ ___
camera obscure/lenses
First person to observe micro-organism accurately
Antony Van Leeuwenhoek
Invented the microscope
Antony Van Leeuwenhoek
true or false: Antony Van Leeuwenhoek was a scientist
false
true or false: Antony Van Leeuwenhoek was a textile merchant/business man
true
Antony Van Leeuwenhoek looked at what kind of water and discovered microorganisms?
pond
what was John Needham experiment and the results?
1.mutton broth in flasks 2. boiled 3. sealed. results: brother became cloudy and contained microorganism
What was Lazzaro Spallanzani experiment and his results?
1.brother in flasks 2. sealed 3. boiled. results: no growth of microorganism
Francesco Redi credit or discredit spontaneous generation?
discredit
True or false: Francesco Redi showed that maggots on decaying meat came from fly eggs
true
Who created the “Swan-Neck flask experiment” and what was the results?
Louis Pasteur, no growth of microorganism
who demonstrated that dust carries microorganisms?
John Tyndall
who showed that smut and rust fungi caused crop disease?
Heinrich de Bary
who demonstrated microorganism carried out fermentations, helping French wine industry and publishing papers on fermentation?
Louis Pasteur
Louis Pasteur showed that the pebrone(?) diesease of silk worm was cause by a ___
protocoan
establish the relationship between Bacillus anthracis and anthrax
Robert Koch
Robert Koch used criteria developed by his teacher ___
Jacob Henie
who developed porcelain bacterial filters used by Ivanoski and Beijernick to study tobacco mosaic disease
Charles Chamberland
Charles Chamberland determined that extracts from diseased plants had infectious agents present which were smaller than bacteria & passed through filters, this infectious agents were eventually shown to be what?
viruses
pasteur and roux discovered that ___ of cultures for long intervals between transfers caused pathogens to loose their ability
incubation
used vaccination procedure to protect against small pox
Edward Jenner
DNA Sequencing methods
Woosen, Sanger
showed that heat- resistant bacteria could produce endospores
Ferdinand Cohn
provided indirect evidence that microorganisms were the casual agents of disease
joseph lister
developed a surgery system to prevent microorganisms from entering wounds
joseph lister
developed vaccines for chicken cholera, anthrax, and rabies
pasteur and his coworkers
developed antitoxins for diptheria and tetanus also has evidence for humoral (anti-body based) immunity
Emil von Behring and Shibasaburo Kitasato
discovered bacteria- engulfing phagocytic cells in blood and also evidence for cellular immunity
Eli Metchnikoff
studied soil microorganisms and discovered numerous interesting metabolic processes (example: nitrogen fixation)
sergei winogradsky and martinis beijernck
pioneered the use of enrichment cultures and selective media
sergei winogradsky and martinus beijernck
