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monera q&a

In what ways do prokaryotic and eukaryotic flagella differ? Prokaryotic flagella are anchored in the cell membrane,can spin freely,made up of subunits of flagellin& Eukaryotic flagella are covered by cell membrane, restricted to side-to-side motion, consist of of microtubules made up of subunits of tubulin
How do facultative and obligate anaerobes differ? Both do not require oxygen for respiration. Facultative anaerobes are not bothered by the presence of oxygen, and some have a separate respiratory pathway for using oxygen when it is present. Obligate anaerobes, however, are poisoned by oxygen.
How have cyanobacteria been misclassified in the past? Cyanobacteria have previously been classified as algae. While they do have the same type of chlorophyll found in algae, chlorophyll a, they lack membrane-bound chloroplasts or other organelles, and thus are prokaryotes.
What characteristics distinguish archaebacteria from eubacteria? The cell walls of eubacteria are made of peptidoglycan, while archaebacterial cell walls can be composed of several diffferent compounds. Also, archaebacteria tend to live in much harsher environments than eubacteria.
How closely related are archae- and eubacteria? The two Moneran groups are no more closely related to each other than each is to the eukaryotes.
What characteristic unifies archae- and eubacteria in the Kingdom Monera? The archae- and eubacteria are prokaryotes.
By what characteristic are archaebacteria classified? What are the four types of archaebacteria? They are classified according to the environments in which they live. The four types are methanogens, thermoacidophiles, sulfur reducers, and halophiles.
Created by: vcopeland
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