Micro ch 1

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Avery, MacLead, and McCarty

Proved that DNA is the hereditary material
Beadle and Tatum

Showed that genes code for enzymes
Berg

Spliced animal DNA to bacterial DNA
Ehrlich

used first synthetic chemotherapeutic agent
Fleming

discovered penicillin
Hooke

first to observe cells in plant material and name them
Iwanowski

Ovserved taht viruses are filterable
Jacob and Monod

descovered how DNA controls protein synthesis in a cell
Jenner

developed vaccine against smallpox
Koch

proved that microorganisms can cause disease
Lancefield

Proposed a classification system for streptococci based on antigens in their cell walls
Lederberg and Tatum

Discovered the DNA can be transferred from on bacterium to another
Lister

First to use disinfectants in surgical procedures
Pasteur

Disproved spontaneous generation
Stanley

First to characterize a virus
van Leewenhoek

First to observe bacteria
Virchow

said living cells arise from preexisting live cells
Weizmann

used bacteria to produce acetone