Microbial World Flashcards

1
Q

The only prokaryotic macroorganism is:

A

there are no prokaryotic macroorganisms

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2
Q

The first observation of fungi was by:

A

Robert Hooke

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3
Q

The first description of bacteria was by:

A

Antonie van Leeuwenhoek

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4
Q

What are microorganisms doing?

A

eating, storing food, defending, reproducing

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5
Q

Define autotroph and heterotroph

A

autotrophs produce organic molecules
heterotrophs consume organic molecules

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6
Q

List the components of macromolecules in microbial cells by great quantity to least

A

Proteins, RNA, lipids, sugars, DNA

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7
Q

Who discovered the third domain, archaea?

A

Carl Woese

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8
Q

Which domain(s) have a nuclear membrane?

A

Eukarya

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9
Q

Do bacteria and archaea have membrane-bound organelles?

A

It is very rare

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10
Q

How common is the cell wall in the three domains?

A

Nearly all bacteria and archaea have cell walls
Some eukarya have cell walls

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11
Q

How many RNA polymerases do species in each domain have?

A

Bacteria and archaea have one RNA polymerase
Archaea
Eukarya have three main RNA polymerases

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12
Q

Which domains have histones?

A

Eukarya and Archaea

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13
Q

What organelles were uptaken during early endosymbiosis?

A

mitochondria and chloroplasts

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14
Q

What did Louis Pasteur do?

A
  • developed rabies vaccine
  • developed pasteurization
  • disproved spontaneous generation
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15
Q

What are Koch’s postulates?

A
  • the microbe must be found in everybody with the disease but not those without it
  • a pure culture of the microbe is obtained
  • putting the microbe in a healthy test host causes the same disease
  • the suspected microbe is recovered from test host
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