are prions prokaryotic or eukaryotic?
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Cells that do not have a true nucleus are prokaryotic. The genetic material in prokaryotic organisms (such as bacteria) is not inside a membrane and this structure is a nucleoid. Viruses and prions are unusual 'organisms'. They are not cells at all, and are called acellular organisms.
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Eukaryotic chromosomes are larger than that of prokaryotes. Prokaryotic chromosome contains a covalently closed circular DNA (cccDNA). Each eukaryotic chromosome contains a linear DNA with two ends. Prokaryotic chromosomes codes for few proteins.
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Prions vs. Prions and viruses are both replicating infectious particles that are not considered "alive". They differ in that prions are misfolded proteins, while viruses carry DNA and RNA.
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Comparing prokaryotes and eukaryotes The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information. ... Prokaryotes, on the other hand, have no membrane-bound organelles.
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Cell division is simpler in prokaryotes than eukaryotes because prokaryotic cells themselves are simpler. Prokaryotic cells have a single circular chromosome, no nucleus, and few other cell structures. Eukaryotic cells, in contrast, have multiple chromosomes contained within a nucleus, and many other organelles.
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Animals, plants, fungi, and protists are eukaryotes. ... 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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One of the main differences between prokaryotic and eukaryotic cells is the nucleus. As previously discussed, prokaryotic cells lack an organized nucleus while eukaryotic cells contain membrane-bound nuclei (and organelles ) that house the cell's DNA and direct the synthesis of ribosomes and proteins.
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Eukaryotes include such microorganisms as fungi, protozoa, and simple algae. Viruses are considered neither prokaryotes nor eukaryotes because they lack the characteristics of living things, except the ability to replicate (which they accomplish only in living cells).
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In contrast to prokaryotic cells, eukaryotic cells are highly organized. Bacteria and Archaea are prokaryotes, while all other living organisms are eukaryotes. Amoebae are eukaryotes whose bodies most often consist of a single cell.
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Prokaryotes contain circular DNA in addition to smaller, transferable DNA plasmids. Eukaryotic cells contain mitochondrial DNA in addition to nuclear DNA. Eukaryotes separate replicated chromosomes by mitosis, using cytoskeletal proteins, whereas prokaryotes divide more simply via binary fission.
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Both of these cell types contain genetic material, is what can be said about prokaryotes and eukaryotes. Both of these cell types contain genetic material, is what can be said about prokaryotes and eukaryotes.
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Prokaryotes are typically haploid, usually having a single circular chromosome found in the nucleoid. Eukaryotes are diploid; DNA is organized into multiple linear chromosomes found in the nucleus. Supercoiling and DNA packaging using DNA binding proteins allows lengthy molecules to fit inside a cell.
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In contrast to prokaryotic cells, eukaryotic cells are highly organized. Bacteria and archaea are prokaryotes, while all other living organisms — protists, plants, animals and fungi — are eukaryotes.
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A virus is genetic material (either DNA or RNA, depending on the virus) wrapped in a protein coat. Once inside a cell, it can hijack the cell to make more copies of itself. A prion doesn't contain genes. It's a protein and can induce other protein molecules to reform in its image.
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Answer Expert Verified Prokaryotes are cells that lack a nucleus or membrane organelles. Eukaryotes are either single-celled or multicelled cells that contain membrane-bound organelles like the nucleus.
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The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information.
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Eukaryotes can be unicellular. While prokaryotes are always unicellular organisms, eukaryotes can be either unicellular or multicellular. For example, most protists are single-celled eukaryotes!