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Home > Flashcards > Plant Sciences > Plant Diversity Lab 2, Cyanobacteria

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Title: Plant Diversity Lab 2, Cyanobacteria

Description: vocabulary and concepts from the second lab

Total Flash Cards: 12

Created: 07/05/2009 17:37:09

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Cards in this set:

Term
peptidoglycans
Definition
polymers of sugars and amino acids that make up the cell wall of cyanobacteria
Term
do cyanobacteria have a cell wall?
Definition
yes
Term
nucleoid
Definition
the region in a prokaryote that the single circular DNA molecule resides
Term
thylakoids
Definition
a parallel array of membranes located in the cytoplasm where photosynthesis occurs in cyanobacteria, as opposed to in chloroplasts
Term
chlorophyll a
Definition
the main photosynthetic pigment found in cyanobacteria
Term
carotenoids and phycobilins
Definition
accessory pigments
Term
phycoerythrin
Definition
a red pigment found in cyanobacteria and red algae
Term
phycocyanin
Definition
a blue pigment that gives blue-green algae its name
Term
hormogonia
Definition
small fragments that split from the mother trichome in a filamentous cyanobacteria colony
Term
akinetes
Definition
some cells can turn into these thick-walled spore bodies that can weather adverseconditions
Term
heterocysts
Definition
special thick-walled cells that are internally anaerobic and fix nitrogen
Term
polar nodules
Definition
aka microplasmodesmata allow the exchange of fixed nitrogen and food between heterocysts and neighboring cells



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