Prokaryotes 2 Kingdoms

Prokaryotes 2 Kingdoms - Prokaryotes: 2 Kingdoms Common...

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Unformatted text preview: Prokaryotes: 2 Kingdoms Common Characteristics: Bacteria are the simplest living creatures - They do not have a nucleus - They have a loop of DNA (not chromosomes)- No membrane-bound organelles- Most are unicellular (one cell)- Most have a cell wall- There are 5 microns in size (5 x 10-6 m) Classification: A microscope-based method of classifying bacteria- (a) Spherical (cocci) 1 um- (b) Rod-shaped (bacilli) 2 um- (c) Spiral 5 um- Mono = single- Diplo = pairs- Strepto = chain- Staphylo = cluster In the 3 Domain system, 2 contain prokaryotes- 1. Domain Archaea is extreme bacteria- 2. Domain Bacteria is everyday bacteria- The third domain is called Eukarya and it includes eukaryotic organisms, including humans In the 6 kingdom system, 2 contain prokaryotes - 1. Kingdom Archaebacteria is extreme bacteria- 2. Kingdom Eubacteria is everyday bacteria- Other kingdoms include Protista, Fungi, Plantae, Animalia Table 27.2 Comparison of the Three Domains of Life in textbook Example of Everyday Bacteria:...
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Prokaryotes 2 Kingdoms - Prokaryotes: 2 Kingdoms Common...

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