lecture 2

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Who built a compound microscope and coined the term "cell" to describe the orderly arrangement of small boxes?

Antonie van Leeuwenhoek

Robert Hooke (correct)

Schleiden and Schwann

None of the above

Who was the first to make and use lenses to observe living microorganisms?

Antonie van Leeuwenhoek (correct)

Robert Hooke

Schleiden and Schwann

None of the above

What did Schleiden and Schwann formulate?

The Hypothesis of Spontaneous Generation

The Cell Theory (correct)

The Theory of Evolution

The Atomic Theory

What does the Hypothesis of Spontaneous Generation propose?

Combination of water, fire, air, and soil can create living organisms Signup and view all the answers

Who discovered that maggots only appeared on uncovered meat when flies laid eggs in the meat?

Francesco Redi Signup and view all the answers

What did Lazaro Spallanzani do to prevent spoilage of broth?

Boil it and close it Signup and view all the answers

What did critics say about Lazaro Spallanzani's experiment on broth?

Loss of oxygen inhibited microbial growth Signup and view all the answers

How did Louis Pasteur end the debate about spontaneous generation?

With a famous swan-neck flask experiment Signup and view all the answers

What did Louis Pasteur do to prevent unwanted organisms in wine?

Heated it to 56 °C in the absence of oxygen Signup and view all the answers

How did Louis Pasteur develop a vaccine for rabies?

He used dried spinal cord from rabbits infected with rabies Signup and view all the answers

How did Louis Pasteur test his rabies vaccine?

He administered it to a 9-year-old boy who had been severely bitten by a rabid animal Signup and view all the answers

What did Robert Koch do to improve the culture of bacteria?

Added agar to the bacteriological media Signup and view all the answers

What did Robert Koch identify as the bacterium that causes anthrax?

Bacillus anthracis Signup and view all the answers

What did Robert Koch develop as a vaccine for tuberculosis?

Tuberculin Signup and view all the answers

What are Koch’s Postulates?

A set of principles for associating a microorganism with a disease Signup and view all the answers

lecture 2

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