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Euk Cell Structure
Test Two
43
Microbiology
Undergraduate 3
02/01/2013

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Term
Euk or Prok: larger and more complex?
Definition
euk
Term
Euk or Prok: which has a true nucleus?
Definition
euk
Term
Euk or Prok: whose DNA is arranged in chromosomes?
Definition
euk
Term
Euk or Prok: which undergoes mitosis?
Definition
euk
Term
Euk or Prok: which has organelles?
Definition
euk
Term
How are euks membranes strengthened?
Definition
sterols
Term
What are sterols?
Definition
rigid, planar molecules
Term
where do you find sterols?
Definition
all euks
Term
are sterols in proks?
Definition
nope
Term
Where are chromosomes located in eukaryotes?
Definition
in the nucleus
Term
What is the inner membrane of a nucleus in the euk cell?
Definition
simple sac
Term
What is the outer membrane of the euk organism?
Definition
it is in conctact with CPM
Term
Where do you find pores in the euk cell?
Definition
in both nucleus membranes at the junctions
Term
Where is the sire of rRNA synthesis?
Definition
nucleous
Term
What is the site of respiration?
Definition
mitochondria
Term
what is the site of ATP formation?
Definition
mitochondria
Term
TF there is a set number of mitochondria per cell
Definition
False: variable number
Term
How is the DNA shaped in a euk?
Definition
circular shaped
Term
What are the three characteristics of mitochondria membranes?
Definition
lacks sterols, outer membrane, inner membrane (cristae)
Term
what is the mitochondrial matrix made of?
Definition
Enzymes
Term
More surface area means more _____
Definition
ATP
Term
What do chloroplasts contain?
Definition
Chlorophyll
Term
TF Chloroplasts are smaller than mitochondria
Definition
False--they're large!
Term
TF there are a set number of chloroplasts per cell
Definition
False; the morphology---the number of cells varies
Term
What permeability is the outer membrane of chloroplasts?
Definition
permeable
Term
What permeability is the inner membrane of chloroplasts?
Definition
much less permeable, no folding, surrounds lumen
Term
What does the inner membrane surround (in the chloroplast)
Definition
the lumen
Term
Thylakoids
Definition
Flattened membrane disks in the chloroplast
Term
What connects organelles to prokaryotes
Definition
the endosymbiotic theory
Term
What is some proof to the endosymbiotic theory?
Definition
mitochondria and chloroplasts contain DNA, mit and chloroplasts contain their own ribosomes, antibiotic specificity, molecular phylogeny
Term
Genetic chimeras
Definition
related to organelles in proks
Term
What are other eukaryotic structures?
Definition
R/S ER, golgi, lysosomes, perozisome, cytoskeleton
Term
What provide rigidity, shape, protection?
Definition
euk cell walls
Term
What are eukaryotic cell walls made of?
Definition
polysaccharides polymers
Term
Plant cell walls are made of
Definition
cellulose
Term
Fungi cell walls are made of
Definition
chitin
Term
Euk flagella structure
Definition
long and thin
Term
Euk flagella movement
Definition
whip like movement
Term
Euk flagella number
Definition
one to several per cell
Term
What do protozoa have?
Definition
flagellates
Term
Euk cilia size
Definition
shorter and thinner
Term
Cilia quantity in a euk
Definition
more numerous
Term
Whta do protozoa have?
Definition
ciliates
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