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Biotechnology can be said to have ancient roots. Explain.

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Biotechnology is the use of microbes to ...

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What is the correct order for the application of Kochʹs postulates?


A) III, II, I, IV
B) IV, I, III, II
C) III, I, IV, II
D) I, II, III, IV
E) IV, I, II, III

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Which of the following is NOT a characteristic of protozoa?


A) They are all photosynthetic.
B) Most exhibit asexual reproduction.
C) They frequently possess cilia or flagella.
D) They are single-celled organisms.
E) They are eukaryotic organisms.

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A scientist conducts experiments to test a(n) (observation/hypothesis/theory).

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Spallanzaniʹs experiments contradicted the experiments of (Needham/Redi/Pasteur) on spontaneous generation.

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Which of the following is an INCORRECT pairing?


A) viruses; acellular parasites
B) fungi; cell walls
C) prokaryotes; no nuclei
D) protozoa; multicellular
E) algae; aquatic and marine habitats

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Microorganisms characterized by the absence of a nucleus are called


A) eukaryotes.
B) viruses.
C) pathogens.
D) fungi.
E) prokaryotes.

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Chemotherapy is the application of weakened pathogens to prevent disease.

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The term involves the study of the blood components that fight infection.


A) bioremediation
B) antisepsis
C) chemotherapy
D) serology
E) etiology

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Robert Kochʹs contributions to the foundations of modern microbiology include


A) demonstrating that hand washing can reduce the spread of disease.
B) developing methods for isolation and identification of bacteria.
C) demonstrating the role of microbes in fermentation.
D) demonstrating certain chemicals are toxic to bacteria but not humans.
E) providing evidence for rejecting the theory of spontaneous generation.

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According to Kluyver and van Niel, which of the following are TRUE of basic biochemical reactions?


A) They primarily involve the transfer of electrons and ions.
B) Basic biochemical reactions shared by all living things primarily involve transfer of electrons and hydrogen ions.
C) There are an unlimited number of them.
D) They primarily involve transfers of chemical groups.
E) They are shared by all living things.

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Which of the following statements about fungi is INCORRECT?


A) Molds are multicellular.
B) Fungi have a cell wall.
C) Fungi are photosynthetic.
D) Yeasts are unicellular.
E) Fungi are eukaryotes.

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A tiny (less than 2 micrometers) new organism is discovered living in a boiling hot ʺmud potʺ (a type of mud spring) . It is most likely a member of the


A) protozoa.
B) algae.
C) viruses.
D) archaea.
E) fungi.

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The first true vaccine protected against disease caused by a(n) pathogen.


A) bacterial
B) archaeal
C) fungal
D) viral
E) protozoal

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Aristotle was an early natural philosopher who formulated the


A) theory of spontaneous generation (abiogenesis) .
B) scientific method.
C) germ theory of disease.
D) theory of ʺmagic bullets.ʺ
E) theory of natural selection.

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Microbiologists study only single-celled organisms.

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Christian Gram devised a staining technique that divides all bacteria into two groups.

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Which of the following scientists provided evidence in favor of the concept of spontaneous generation?


A) Needham
B) Pasteur
C) Redi
D) Buchner
E) Spallanzani

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Pasteurʹs experiments on fermentation laid the foundation for


A) immunology.
B) abiogenesis.
C) antisepsis.
D) industrial microbiology.
E) epidemiology.

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Which of the following individuals pioneered the use of chemicals to reduce the incidence of infections during surgery?


A) Semmelweis
B) Nightingale
C) Ehrlich
D) Snow
E) Lister

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