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Biology Ch. 19

Section 1-Prokaryotes

QuestionAnswer
name the two groups prokaryotes are divided into eubacteria and archaebacteria
which group of eubacteria contains peptidoglycan, a carbohydrate, in its cell wall eubacteria
_______ lack peptidoglycan, a carbohydrate found in the cell walls of ___________, and their membrane lipids are quite different. archaebacteria, eubacteria
the DNA sequences of ________ genes are more like those of eukaryotes than those of _________ archaebacteria, eubacteria
Prokaryotes are identified by their _______, the chamical makeup of their ______ _______, the ways they _________, and the ways they obtain ________ shapes, cell walls, move, energy
rod shaped prokaryotes bacilli
spherical prokaryotes cocci
spiral and corkscrew shaped prokaryotes spirilla
what are the two different types of cell walls that are found in eubacteria gram-positive or gram-negative
whiplike structures used for movement flagella
group of prokaryotes that carry out photosynthesis in a manner similar to green plants photoautotrophs
obtain energy directly from inorganic molecules chemoautotrophs
capture sunlight for energy but also need organic compounds for nutrition photoheterotrophs
organisms that require a constant supply of oxygen obligate aerobes
cannot have oxygen obligate anaerobes
can survive with or without oxygen facultative anaerobes
reproduction in which a prokaryote has nearly doubled in size, it replicates its DNA and divides in half, producing two identical daughter cells binary fission
the exchange of genetic information conjugation
type of spore formed when a bacterium produces a thick internal wall that incloses DNA and a portion of its cytoplasm endospore
Created by: ebony5407
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