What are the characteristics shared by all bacteria? And, can you briefly discuss the range of variations that exist among bacteria?
As I stated in another question, I am having a hard time in this biology class since it is a web class with no text! Thank the Lord it is almost over! Any help is greatly appreciated!
2006-11-27 07:09:18 · 6 answers · asked by Faith 2 in Science & Mathematics ➔ Biology
They are all prokaryotes, some may have a thick cell wall made of peptodiglycan. They can live in extremely acidic, basic, hot, cold, salty, or wet environments.
2006-11-27 07:12:19 · answer #1 · answered by boomer sooner 5 · 0⤊ 0⤋
I believe that what they have in common is that they are prokaryotes.
That name has a special meaning, and it is what distinguishes bacteria from other types of cells which are called Eukaryotes. You need to understand the specific meaning of each name and why they are different.
Look up the terms on the web, and read the articles you find. That will give you your answer.
2006-11-27 07:12:29 · answer #2 · answered by Meresa 3 · 0⤊ 0⤋
2. cell walls The cell wall is the tough, usually flexible but sometimes fairly rigid layer that surrounds some types of cells. It is located outside the cell membrane and provides these cells with structural support and protection, and also acts as a filtering mechanism. *They are found in plants, bacteria, fungi, algae, and some archaea.* Animals and protozoa do not have cell walls. The material in the cell wall varies between species. In plants, the strongest component of the complex cell wall is a carbohydrate called *cellulose*, which is a polymer of glucose. In bacteria, *peptidoglycan* forms the cell wall. Archaean cell walls have various compositions, and may be formed of glycoprotein S-layers, pseudopeptidoglycan, or polysaccharides. Fungi possess cell walls made of the glucosamine polymer *chitin*, and algae typically possess walls made of glycoproteins and polysaccharides.
2016-05-23 12:45:01 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Prokaryotes are single-celled organisms that do not have a membrane-bound nucleus.. Prokaryotes are the MOST NUMEROUS ORGANISMS ON EARTH.
A. PROKARYOTES DO NOT HAVE A MEMBRANE-BOUND NUCLEUS.
B. PROKAROYTES DO HAVE A CELL MEMBRANE, BUT DO NOT HAVE MEMBRANE BOUND ORGANELLES.
C. PROKARYOTES HAVE RIBOSOMES THAT ARE DIFFERENT FROM THOSE OF EUKARYOTES.
D. ALMOST ALL PROKARYOTES ARE SMALLER THAN THE SMALLEST EUKAROYTES.
E. MOST PROKARYOTES ARE SINGLE-CELLED ORGANISMS (UNICELLULAR).
2006-11-27 07:30:20 · answer #4 · answered by Albertan 6 · 0⤊ 0⤋
a cell wall, no nucleus (prokaryotic), no photoplasts, asexual reproduction.
2006-11-27 07:12:56 · answer #5 · answered by Radagast97 6 · 0⤊ 0⤋
They are all happy-go-lucky.
2006-11-27 07:10:19 · answer #6 · answered by usually2right 2 · 0⤊ 3⤋