People/Experiments(Exam 1)

Question 1

Who discovered DNA?

Answer 1

Albert Kossel

Question 2

Key person in RNA research (ratio of AT and GC)

Answer 2

Erwin Chargaff

Question 3

What did Watson and Crick do?

Answer 3

they discovered the structure of DNA

Question 4

Johannes Vermeer was a ___ in a city in Netherlands

Answer 4

painter

Question 5

Johannes Vermeer cheated (not really) by using __ ___

Answer 5

camera obscure/lenses

Question 6

First person to observe micro-organism accurately

Answer 6

Antony Van Leeuwenhoek

Question 7

Invented the microscope

Answer 7

Antony Van Leeuwenhoek

Question 8

true or false: Antony Van Leeuwenhoek was a scientist

Answer 8

false

Question 9

true or false: Antony Van Leeuwenhoek was a textile merchant/business man

Answer 9

true

Question 10

Antony Van Leeuwenhoek looked at what kind of water and discovered microorganisms?

Answer 10

pond

Question 11

what was John Needham experiment and the results?

Answer 11

1.mutton broth in flasks 2. boiled 3. sealed. results: brother became cloudy and contained microorganism

Question 12

What was Lazzaro Spallanzani experiment and his results?

Answer 12

1.brother in flasks 2. sealed 3. boiled. results: no growth of microorganism

Question 13

Francesco Redi credit or discredit spontaneous generation?

Answer 13

discredit

Question 14

True or false: Francesco Redi showed that maggots on decaying meat came from fly eggs

Answer 14

true

Question 15

Who created the “Swan-Neck flask experiment” and what was the results?

Answer 15

Louis Pasteur, no growth of microorganism

Question 16

who demonstrated that dust carries microorganisms?

Answer 16

John Tyndall

Question 17

who showed that smut and rust fungi caused crop disease?

Answer 17

Heinrich de Bary

Question 18

who demonstrated microorganism carried out fermentations, helping French wine industry and publishing papers on fermentation?

Answer 18

Louis Pasteur

Question 19

Louis Pasteur showed that the pebrone(?) diesease of silk worm was cause by a ___

Answer 19

protocoan

Question 20

establish the relationship between Bacillus anthracis and anthrax

Answer 20

Robert Koch

Question 21

Robert Koch used criteria developed by his teacher ___

Answer 21

Jacob Henie

Question 22

who developed porcelain bacterial filters used by Ivanoski and Beijernick to study tobacco mosaic disease

Answer 22

Charles Chamberland

Question 23

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?

Answer 23

viruses

Question 24

pasteur and roux discovered that ___ of cultures for long intervals between transfers caused pathogens to loose their ability

Answer 24

incubation

Question 25

used vaccination procedure to protect against small pox

Answer 25

Edward Jenner

Question 26

DNA Sequencing methods

Answer 26

Woosen, Sanger

Question 27

showed that heat- resistant bacteria could produce endospores

Answer 27

Ferdinand Cohn

Question 28

provided indirect evidence that microorganisms were the casual agents of disease

Answer 28

joseph lister

Question 29

developed a surgery system to prevent microorganisms from entering wounds

Answer 29

joseph lister

Question 30

developed vaccines for chicken cholera, anthrax, and rabies

Answer 30

pasteur and his coworkers

Question 31

developed antitoxins for diptheria and tetanus also has evidence for humoral (anti-body based) immunity

Answer 31

Emil von Behring and Shibasaburo Kitasato

Question 32

discovered bacteria- engulfing phagocytic cells in blood and also evidence for cellular immunity

Answer 32

Eli Metchnikoff

Question 33

studied soil microorganisms and discovered numerous interesting metabolic processes (example: nitrogen fixation)

Answer 33

sergei winogradsky and martinis beijernck

Question 34

pioneered the use of enrichment cultures and selective media

Answer 34

sergei winogradsky and martinus beijernck