For each of the following sets of terms, please determine the characteristic common to three of the terms. Then identify the term that does not belong.
1. spirillum, coccus, methanogen, bacillus:
2. prokaryote, nitrogen fixation, saprophyte, symbiosis:
3. eubacteria, cyanobacteria, archaebacteria
4. cell wall, nucleus, flagellum, cytoplasm
High school Bacteria questions?
1. methanogen. the others are shapes of bacteria. methanogen just descibes that a bacteria produces methane gas.
2. prokaryote. the others describe the bacteria's interaction with the environment. but the word prokaryote is just a word to descibe the bacteria.
3. archaebacteria. these are not strictly bacteria, but closer related to eukaryotes.
4. nucleus. that are all parts of a cell, BACTERIA DO NOT HAVE A NUCLEUS, but they can have the others.
Reply:1. Meth. one? No clue why.
2. Nitrogen fixation. Stages of growth
3. I want to say Eubacteria, but I don't know why
4. Flagellum. The other 3 are parts of a cell
Anyone feel free to correct me if I'm wrong.
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