what are prokaryotic cells contain?
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The Prokaryotic Cell Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
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Prokaryotic cell. a cell that lacks a nucleus and other membrane bound organelles; includes achaea and bacteria. Eukaryotic Cell. a cell containing a nucleus and other membrane bound organelles.
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The word "prokaryote" is derived from Greek words that mean "before nucleus." Prokaryotic cells contain fewer organelles or functional components than do eukaryotic cells. Their four main structures are the plasma membrane, cytoplasm, ribosomes and genetic material (DNA and RNA).
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Your cells are eukaryotic. Eukaryotic cells contain membrane-bound organelles, including a nucleus. ... Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle. Prokaryotes include two groups: bacteria and another group called archaea.
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1. Prokaryotic cells are surrounded by a plasma membrane and have DNA, cytoplasm, and ribosomes, like eukaryotic cells. They also have cell walls and may have a cell capsule. Prokaryotes have a single large chromosome that is not surrounded by a nuclear membrane.
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Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment.
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Prokaryotes and eukaryotes are the two main types of cells that exist. ... But, prokaryotes do have some organelles including the cell membrane, also called the phospholipid bilayer. This cell membrane encloses the cell and protects it, allowing in certain molecules based on the needs of the cell.
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Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. ... The cytoplasm is all the contents of the cell inside the cell membrane, not including the nucleus.
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Answer and Explanation: Prokaryotic cells lack a nucleus. Prokaryotic cells are smaller than eukaryotes and have a more simple cell structure. They lack membrane bound...
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Why are prokaryotic cells important? Prokaryotes are important to all life on Earth for a number of reasons. They play a critical role in the recycling of nutrients by decomposing dead organisms and allowing their nutrients to be re-used. They are also important for many metabolic processes.
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Characteristics of Prokaryotic Cells All prokaryotic cells have a nucleoid region, DNA and RNA as their genetic material, ribosomes that make proteins, and cytoplasm that contains a cytoskeleton, which organizes and supports the parts of the cell.
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All prokaryotes have plasma membranes, cytoplasm, ribosomes, a cell wall, DNA, and lack membrane-bound organelles. Many also have polysaccharide capsules.
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Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA.
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2: The Prokaryotic Cell - Bacteria. Bacteria are prokaryotic, single-celled, microscopic organisms (Two exceptions have been discovered that can reach sizes just visible to the naked eye.
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Most prokaryotes carry a small amount of genetic material in the form of a single molecule, or chromosome, of circular DNA. The DNA in prokaryotes is contained in a central area of the cell called the nucleoid, which is not surrounded by a nuclear membrane.
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1. Prokaryotic cells are surrounded by a plasma membrane and have DNA, cytoplasm, and ribosomes, like eukaryotic cells. They also have cell walls and may have a cell capsule. ... Prokaryotes may have flagella or motility, pili for conjugation, and fimbriae for adhesion to surfaces.
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Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall.