MBIO Exam 1 Flashcards

1
Q

Unlike the term microorganism, the word microbe also includes ______.

A

viruses

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2
Q

The concept of living things arising from vital forces in non-living or decomposing materials was known as which of the following?

A

Spontaneous generation

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3
Q

In 1749, John Needham produced results that _______ spontaneous generation when he showed that broths that had been boiled and then sealed with a cork _______.

A

support; could still give rise to microorganisms

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4
Q

Why were Louis Pasteur’s experiments with swan-necked flasks so important in helping disprove the theory of spontaneous generation?

A

They ended arguments that a “vital force” was necessary for spontaneous generation, while preventing contamination from microbes in the air.

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5
Q

The work of John Tyndall and Ferdinand Cohn ______.

A

explained why some spontaneous generation investigators got different results from those of Pasteur

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6
Q

Technically speaking, viruses are not microorganisms because they are not ______.

A

composed of cells

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7
Q

Which defines spontaneous generation?

A

Life arose from non-living matter.

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8
Q

The Germ Theory of Disease states that ______.

A

microorganisms cause certain diseases

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9
Q

_______ showed that flasks containing various broths gave rise to microorganisms even when the flasks were boiled and sealed with a cork.

A

John Needham

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10
Q

_______ is credited with disproving spontaneous generation using broth in swan-neck flasks.

A

Louis Pasteur

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11
Q

We could not survive without microorganisms, but they can also be harmful.

A

True

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12
Q

Tyndall and Cohn’s experiments in the 1870s showed the presence of a heat-resistant form of bacteria called a(n)

A

Blank 1: endospore or endospores

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13
Q

Organisms that populate the human body and which protect it from disease are termed normal

A

Blank 1: microbiota, flora, biota, microflora, or resident microbiota

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14
Q

The principle that microorganisms cause certain diseases is called the
Theory of Disease.

A

Blank 1: Germ

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15
Q
A
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