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WGU Microbiology D311 Section 1 - Study Guide Questions And Correct Answers
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WGU Microbiology D311 Section 1 - Study Guide Questions And Correct Answers
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WGU Microbiology D311 Section 1 - Study GuideQuestions And Correct Answers
Characteristics of prokaryotic cells Right Ans - No nucleus
DNA in an unbound region called the nucleoid
Capsule
Cell wall
Pili
Flagella
Characteristics of a eukaryotic cell Right Ans - nucleus
membrane bound organelles
Characteristics of bacteria Right Ans - Prokaryotic cell
single-celled
Capsule and pili create "slime layer"
Cell wall containing peptidoglycan
Characteristics of protists Right Ans - Eukaryotic cell
Single-celled
cause many gastrointestinal disorders
Ex
Malaria
Sleeping sickness
giardiasis
amoebic dysentery
leishmaniasis
toxoplasmosis
Characteristics of helminths Right Ans - Eukaryotic cell
multicellular
very simple digestive and nervous systems (rudimentary)
*parasites and worms*
Characteristics of fungi Right Ans - eukaryotic cell
single-cell or multicellular
Multicellular (Hyphae > Mycelium)
Single-cell (yeast)
, Dimorphic
incomplete cell wall (septum)
characteristics of virus Right Ans - acellular
non-living
particle
replicated within living (human) cells
nucleoid Right Ans - A non-membrane-bounded region in a prokaryotic cell
where the DNA is concentrated.
ribosomes Right Ans - protein synthesis
endospores Right Ans - bacterial spore that can survive harsh conditions
plasma membrane Right Ans - A selectively-permeable phospholipid
bilayer forming the boundary of the cells
cell wall Right Ans - rigid layer that provided support and shape to the cell
peptidoglycan Right Ans - protein found in the cell wall of bacteria
flagella Right Ans - tail like structure that promotes whiplike motion to aid
in movement. (Chemotaxis)
Pili (fimbriae) Right Ans - hair-like extensions used for attachment to
surfaces and exchange information between bacterial cells
chemotaxis Right Ans - movement of cells toward or away from a chemical
within the environment
Phototaxis Right Ans - movement toward or away from light
runs and tumbles Right Ans - bacteria rotate their flagella producing a
forward or backwards motion
endospores versus vegetative cells Right Ans - vegetative cell is an active
form of bacteria
endospore is a dormant form of the bacteria
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