Match the following names with the correct phrases.

_______1. Developed vaccines for anthrax and rabies.
_______2. Proposed the theory of biogenesis.
_______3. Discovered the etiologic agent of plague.
_______4. The first person to observe live bacteria and protozoa.
_______5. Developed an experimental procedure that could be used to prove that a specific microorganism is the cause of a specific infectious disease.


a. Anton van Leeuwenhoek
b. Robert Koch
c. Louis Pasteur
d. Rudolf Virchow
e. Alexandre Emil Jean Yersin


1. c. Louis Pasteur
2. d. Rudolf Virchow
3. e. Alexandre Emil Jean Yersin
4. a. Anton van Leeuwenhoek
5. b. Robert Koch

Biology & Microbiology

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In 1951, Anand and Brobeck reported that bilateral electrolytic lesions to the lateral hypothalamus produce________.

Fill in the blank(s) with the appropriate word(s).

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If any of the traits that Mendel worked with were linked genes, his dihybrid crosses

a) would have had different results. b) would have produced more offspring. c) would have produced fewer offspring. d) would have exhibited a typical phenotypic ratio of 9:3:3:1. e) would have produced sterile offspring.

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Angiosperms are different from all other plants because only they have ___________.

A. a life cycle that involves alternation of generations B. seeds C. flowers D. vascular tissue

Biology & Microbiology

Many bacteria and fungi have a difficult time surviving on our food if the food is very salty. The best explanation for this is...

What will be an ideal response?

Biology & Microbiology