Does bacteria have cell structure?
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Bacteria are prokaryotic, meaning 'without nucleus'. The basic bacteria has a cell membrane, which holds in its cytoplasam and genetic material. The bacteria holds lots of ribosomes for creating proteins, which are ever so important in a living organism. Bacteria do not have a cell wall, this is plant cells (eukaryotic) only. Some bacteria have tiny hairs covering the body called silia aiding in movement. Other have a single hair, or maybe two, this is called a flagellum. I typed this fast so spelling may be off, but the information is correct.\n\nthefeistyguy
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18. D. Oxygen and energy (ATP) are products of aerobic respiration, whcih takes place in the mitocondria.\n\n19. B. The cell membrane is called a LIPID BILAYER. which has 2 layers of phospholipds. the hydrphobic tails in the center. and the 2 heads facing out side the cell and inside the cell. the inner layer would have the head facing the inside of the cell.\n\n20. A. the bactera (monerans) were one of the earliest forms of life. The had the earliest form of sexual reproduction by exchanging DNA with another bacterium through their membranes. They were also mobile (getting around from place to place). For example, some bacteria have flagela, which whip around for them to move. an getting energy from the sun... hmm. well. im not sure if bacteria can photosynthesize. but im 100% sure they can get energy from the sun INDIRECTLY through cellular respiration.
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So lets learn cell structure. We are made of cells. Cells form tissues and tissues form organs and organs form systems and systems make the organism so we are made from cells (Microbes.). Or if you want to be very specific and start from everything before atoms then We are made up of Gluon cells inside atoms.The structure of a cell is a cytoplasm or liquid bag in the center. Cell tissue inside most of it and and a nucleus inside the cytoplasm. I hope sincerely that this answers your question.
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depends, bacteria are classified by their ssRNA plants and animals are usually categorized by their morphological characteristics. The more specific you are, the better answers you'll receive.
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False. All creatures, from worms to humans, have specialized cells.
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Bacteria do have fixed size and shape.\nSize varies from 0.5 to 50 microns, generally 1 to 5 X 0.5 - 1 Micron. ( 1 micron = a millionth part of a milimeter )\nShape is variation of two basic shapes - spherical i.e. Cocci (singular Coccus ) and cylindrical i.e. rods or Bacillus. All other forms are variations of these two. \nCocci in pairs - Diplococcus\nCocci in cains - Streptococcus\nCocci in clusters - Staphylococcus\nCocci in tetrads - Gaffkia\nCocci in cubes - Sarcina\nRods - Bacillus\nCurved rods - comma shaped - Vibrios\nSpirals - Spirrilum, Spirochaetes\nFilamentous - Actinomycetes\nRods wth tapering ends - Fusobacterium\nRods with bifercated ends - Bifidobaterium\nCells without cell wall do not have fixed shape, these are Mycoplasma.\nYou will get this information in any basic microbiology book or in wikipedia
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the bacteria is a prokaryotes they are single cell organisms there are millions of bacteria are found in earth they are ubikutes they are live in any where bacteria are classified into based on their temperature is as follows\n1)thermophiles(lived in more than 60 degree \n2)mesophiles (they are live in normal temp(35)drgee \nthe bacteria are mostly autotropics\neg(blue green algae )is photo synthesis pigment & gain energy in that \nreproduction\nby binarry fission\ntransduction\ntransformation
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No, not directly.  Bacteria are of the order of single celled organisms called prokaryotes, we are multicellular organisms of the order eukaryote.  We share basic similarities such as DNA, RNA, certain cell makeup but our genetic orders split into two different directions at a very early stage.  The genetic relationship stopped there.\n\nWe do share a symbiotic relationship with bacteria in our bodies and the world around us if that's what you mean.  We rely on bacteria to help break down food and control digestion.  Without that relationship we'd die.
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cell walls give structure.
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...to live and reproduce? You need to be more specific... what kind of animal cell? In what organ? Or is it a single-celled organism? Do you mean the structure?
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Yes sure:\n\nAll plant cells have a cell wall. Young growing cells, some storage cells and the photosynthesizing cells of leaves, all parenchyma cells have only a primary cell wall. The primary cell wall is thin and formed while the cell is undergoing growth. The cell wall surrounds the protoplast [cell membrane and all its contents]. Continuous pressure by the fluids inside the cell forces the cell membrane against the cell wall. Between the primary walls of adjacent cells is the middle lamella which cements the two cells together by means of an adhesive substance called pectin. Mature cells which stop growing lay a secondary wall. \n\nThe primary cell wall\n\nThe primary wall begins to form between cells that are completing cell division. A cell plate forms where a new cell wall will divide the two daughter cells. The cell plate forms from the microtubules. Microtubules may guide materials towards the cell plate which grows to the outside by addition of materials such as pectin. Much of the materials that form the cell plate become the pectin-rich middle lamella between the two cell walls of the daughter cells. As soon as this middle lamella is formed cells release structural material to build the primary cell wall.\n\nThe primary cell wall is thin relative to the secondary cell wall and the entire cell. It is generally 1 to 3μm thick. It consists of 9 to 25% cellulose. Cellulose molecules are unbranched and are bound together by means of hydrogen bonding into long cylindrical fibres called microfibrils [4.5-8.5nm thick]. The microfibril is a polymer of glucose made up of 30-40 pairs of cellulose molecules.\n\nCellulose molecules are arranged in a parallel form and thus microfibrils have an incredible high tensile strength relative to their weight. This orientation allows cells to elongate, the microfibrils slip past each other and are pulled along the axis of the cell. Recent and older microfibrils are laid over each other perpendicularly as threads in cloth.\n\nThe cellulose microfibrils are embedded in a matrix composed of celluloses, pectin and protein. The matrix is composed mainly of hemicelluloses which from a branching network filled with water. The primary cell wall contains 25 to 50% hemicelluloses. Pectic substances make up 10 to 35 % of the cell primary cell wall. Primary cell walls also have 10% protein involved in cell growth and recognition of antigens.  \n\nThe primary cell wall is also adapted for growth. During growth, growth regulating hormones are produced. These soften the primary cell wall and the microfibrils layers [perpendicular] move apart and slide past each other in the wall filled matrix. This takes place with the aid of water which is absorbed by the protoplast thus forcing a pressure against the cell wall. Thus the wall is stretching plastically [irreversible] as the cell grows.\n\nWhen the cell stops growing and cell division is complete, synthesis of growth regulating hormones is stopped and the microfibrils become entangled losing the organized parallel orientation. Therefore the microfibrils can no longer slide past each other and thus the primary cell wall resists further growing by means of the entangled microfibrils which have a high tensile strength. This makes cell walls resistant to swelling if placed in water.\n\nThe primary wall is porous allowing passage of water and materials dissolved in water. The pores are about 3.5 to 5.2nm in diameter compared to the 0.3nm of the diameter of water molecules. The water and other materials can thus pass through the cell wall medium which is called the apoplast.\n\nLeaves and young stems are made up of cells that have mainly primary cell walls. They are rigid when water forces a pressure against the cell wall, but wilt when water is lost and internal pressure decreases. Thus water together with primary cell walls provides a hydrostatic skeleton. \n\nThe secondary wall\n\nIn many plant cells, a primary wall is not enough to withstand the extreme
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Microbiologists also classify bacteria according to whether or not they require oxygen to survive. Bacteria that require oxygen are called aerobic bacteria, or aerobes. Bacteria that live without oxygen are called anaerobic bacteria, or anaerobes. Both aerobes and anaerobes can be either phototrophic or nonphototrophic. Can live in the human body or in the enviroment
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Amoeba are among the largest single celled organisms, far larger than any bacteria.  Some amoeba are large enough to be seen without needing a microscope!\n\nBacteria are the smallest living things and mycoplasms are the smallest living bacteria (known as nanobacteria).\n\nIf by creatures you mean animals, then the smallest depends a bit on your definition of "small".  The shortest is probably little Trichoplax adhaerens, which looks a bit like a hairy, multi-cellular amoeba.\n\nThe smallest animal in terms of number of cells is probably some kind of Mesozoa, a set of worms famous for being very short and only a few cells across, so much thinner than Tricoplax and less massive.\n\nThe smallest vertebrate is a species of fish that was just discovered recently, though I forget the name of it, sorry.  :-)\n\nIt's recently been discovered that a few single-celled organisms are, in fact, evolved from animals.  If you would count these as animals, they would be the smallest animals, though that would be merely a technicality.\n\nAll of this applies only to adult forms, of course.  We're all very very small to begin with!
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Ok as it seems that most people here havnt really got an idea i'll explain.\nBacteria - completley different organism to a virus (as said before is single celled)  Contains all the mechanisms to be able to replicate of its own accord.  Bacteria have all the usual cellular properties you would expect from a prokaryotic.  Different bacteria have different methods of movement, replication and need different environmental conditions.\n\nVirus:  A virus is generally an obligate intracellular parasite.  That is to sayit cannot complete it's life cycle withought being inside a host cell as it does not contain the organelles to be able to replicate on its own.  A virus normally consists of a protein coat with EITHER double stranded DNA genome Single stranded RNA SS DNA has been seen aswell.\n\nThe symptoms of a viral infecton are generally the same as bcterial because the body reacts in the same way.  I.e raise Temperature swollen lymphnode (site of Antigen presenting) Antibiotics do nothing to a virus but can be effective against bacteria (depending on the bacteria and the antibiotic)\n\nMRSA is predominantly a hospital problem but i shouldnt be Too worried. Just make sure when any member of staff sees you they have washed Their hands.  C.dificil is the bugger.  Cannot be killed by cnventionaaal cleaning methods.\n\nThis is by no means a conclusive answer.  Try looking on wikipedia.com or any decent biology book written for university students
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Algae and higher plants are called eukaryotic.  They tend to have two different types of genetic material, one located in the nucleus and a different type located in the cell’s mitochondrion.  Bacteria, on the other hand, are called prokaryotic.  They only contain one type of genetic material.  Some bacteria’s genetic material resembles that found in the nucleus of eukaryotic cells.  Some bacteria DNA or RNA more closely resembles that of mitochondrion.\nProper cleavage of the genetic material, followed by TLC or possibly paper chromatography, could show the similarities or differences.  This could be used to infer (not prove) any evolutionary relationships.
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Bacteria are not at all similar to cellular organisms.\n\nThey have no tissue or organs, since those are composed of cells.\n\nBacteria are much smaller and simpler than cells, although their DNA is surprisingly complex.\n\nBacteria are actually quite fascinating and they have many interesting facets that are not found at all in cellular organisms.  The flagellum, for example, in some varieties is powered by a tiny microscopic motor that is powered by acid.\n\nThe world of bacteria is only now beginning to be opened up through the relatively young science of microbiology.  I would encourage to read more about them if you think you would find it interesting.\n\nAfter seeing the other comments, I felt compelled to add that bacteria are NOT cells.
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Bacteria are capable of living alone. Viruses are said to be alive only when inside a living cell.\n\nBacteria have cell organelles and show life activities. Virus are just a core of DNA or RNA surrounded by a sheath of protein and can only show reproduction while in a living cell.\n\nBacteria are intercellular organisms( they live in-between cells ). Viruses are intracellular organisms ( they live within/inside cells )\n\nThere are many useful bacteria, that help in processes like nitrification and lactification. Viruses on the other hand are always disease causing. In fact, the term 'Virulesence', which is used for a disease causing organism, is derived from the word Virus'