The domain of life containing anucleate cells that have unique lipids in their membranes, distinctive rRNA sequences, and cell walls that lack peptidoglycan.

The domain of life that contains anucleate cells having distinctive rRNA sequences and cell walls that contain the structural molecule peptidoglycan.

The domain of life that features organisms made of cells having a membrane-delimited nucleus and differing in many other ways from Archaea and Bacteria; includes protists, fungi, plants, and animals.

A diverse group of eukaryotic microorganisms that range from unicellular forms (yeasts) to multicellular molds and mushrooms.

The entire genetic makeup of an organism.

An approach to studying organisms that involves sequencing the genome, identifying genes, and assigning functions to the genes.

A set of rules for proving that a specific microorganism causes a particular disease.

The study of organisms that are usually too small to be seen with the naked eye; special techniques are required to isolate and grow them.

An organism that is too small to be seen clearly with the naked eye and lacks highly differentiated cells and distinct tissues.

Infectious agents, composed only of protein, that cause spongiform encephalopathies such as scrapie in sheep and goats.

Cells having a type of structure characterized by the lack of a true, membrane-enclosed nucleus. All known members of Archaea and most members of Bacteria exhibit this type of cell structure.

Mostly unicellular eukaryotic organisms that lack cellular differentiation into tissues. Includes organisms often referred to as algae and protozoa.

In protists, cell differentiation is limited to cells involved in:

Sexual reproduction, alternate vegetative morphology, or resting states such as cyst.

Spontaneous generation

An early belief, now discredited, that living organisms could develop from nonliving matter.

Infectious agents of plants composed only of single-stranded RNA.

Infectious agents having a simple acellular organization with a protein coat and a nucleic acid genome, lacking independent metabolism, and reproducing only within living host cells.

Infectious agents composed only of single-stranded RNA. They are unable to replicate without the aid of specific viruses that coinfect the host cell.

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Microbiology 211

Ch. 1 - The Evolution of Microorganisms and Microbiology

Question	Answer
Archaea	The domain of life containing anucleate cells that have unique lipids in their membranes, distinctive rRNA sequences, and cell walls that lack peptidoglycan.
Bacteria	The domain of life that contains anucleate cells having distinctive rRNA sequences and cell walls that contain the structural molecule peptidoglycan.
Eukarya	The domain of life that features organisms made of cells having a membrane-delimited nucleus and differing in many other ways from Archaea and Bacteria; includes protists, fungi, plants, and animals.
Fungi	A diverse group of eukaryotic microorganisms that range from unicellular forms (yeasts) to multicellular molds and mushrooms.
Genome	The entire genetic makeup of an organism.
Genomic analysis	An approach to studying organisms that involves sequencing the genome, identifying genes, and assigning functions to the genes.
Koch's postulates	A set of rules for proving that a specific microorganism causes a particular disease.
Microbiology	The study of organisms that are usually too small to be seen with the naked eye; special techniques are required to isolate and grow them.
Microorganism	An organism that is too small to be seen clearly with the naked eye and lacks highly differentiated cells and distinct tissues.
Prions	Infectious agents, composed only of protein, that cause spongiform encephalopathies such as scrapie in sheep and goats.
Prokaryotic cells	Cells having a type of structure characterized by the lack of a true, membrane-enclosed nucleus. All known members of Archaea and most members of Bacteria exhibit this type of cell structure.
Protists	Mostly unicellular eukaryotic organisms that lack cellular differentiation into tissues. Includes organisms often referred to as algae and protozoa.
In protists, cell differentiation is limited to cells involved in:	Sexual reproduction, alternate vegetative morphology, or resting states such as cyst.
Spontaneous generation	An early belief, now discredited, that living organisms could develop from nonliving matter.
Viroids	Infectious agents of plants composed only of single-stranded RNA.
Viruses	Infectious agents having a simple acellular organization with a protein coat and a nucleic acid genome, lacking independent metabolism, and reproducing only within living host cells.
Virusoids	Infectious agents composed only of single-stranded RNA. They are unable to replicate without the aid of specific viruses that coinfect the host cell.

Created by: 814152377

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