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Micro ch 4 pro & euk cells
part 2 of review of ch4
23
Microbiology
Undergraduate 2
06/14/2010

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Cards

Term
if peptidoglycan were damaged in a g-pos cell in hypertonic medium it?
Definition
would shrink
Term
a series of ____ & ____ would be motility for a bacteria with flagella
Definition
runs & tumbles
Term
bacteria with flagella over the entire surface of a cell is
Definition
peritrichous
Term
a _____ protect a pathogenic bacteria from phagocytosis by a host
Definition
capsule
Term
ER with robosmes attached to outer surace is the ?
Definition
Rough ER
Term
Chemotaxis refers to?
Definition
the a ability to move toward or away from chemical stimuli
Term
T or F... lipid A is found in the cell walls of g-pos bacteria
Definition
False
Term
What is g-neg cells contain a _____ space rich in?
Definition
periplasmic space , rich in degradative enzymes
Term
g-neg outer membrane contain enzymes for energy synthesis T or F
Definition
false
Term
what type of memgrane transport is crucial if cells are placed in nutrient poor environment with low conc of sugar/amino acid?
Definition
activew transport
Term
spherical bacteria that divide and remain attached in chainlike patterns are called?
Definition
strptococci
Term
T or F... g-neg cell wall has teichoic acids
Definition
false
Term
Facilitated diffusion is a ____process and does or does not require energy?
Definition
passive process and does not require energy
Term
active transport does or does not require energy
Definition
does
Term
what structure is necessary for chemotaxis
Definition
flagella
Term
where would you find DNA in a euk cell?
Definition
nucleus, mitochondria, and chloroplast NOT in ER
Term
a fluid structure that allows membrane proteins to move freely is ?
Definition
cell membrane
Term
acid-fast bacteria do or do not demonstrate unique staining properties because of the protein layer?
Definition
false
Term
what is pen more effective agains?
Definition
pennicillian is more effective against gram pos
Term
what is the endosymbiotic theory
Definition
eukaryotic organelles evolved from symbiotic prokaryotes
Term
name 4 endomembrane systems
Definition
golgi app, ER, Lysosomes, vesicles
Term
Endomembrane system manufatures?
Definition
process and transport lipids and protein
Term
What is the purpose of the cytoskeleton?
Definition
stucture and framework
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