what is the difference between positive and negative strand rna?
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Positive-sense viral RNA is similar to mRNA and thus can be immediately translated by the host cell. Negative-sense viral RNA is complementary to mRNA and thus must be converted to positive-sense RNA by an RNA polymerase before translation.
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Differences Between DNA and RNA RNA is a single-stranded nucleic acid. RNA has a ribose sugar instead of a deoxyribose sugar like DNA. RNA nucleotides have a uracil base instead of thymine.
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Although, for each gene, RNA is transcribed from only one of the DNA strands, the same DNA strand is not necessarily transcribed throughout the entire chromosome or through all stages of the life cycle. ... The DNA strand that is transcribed for a given mRNA is termed the template strand.
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Both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are composed of nucleotides. ... DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. DNA contains the nitrogenous base thymine, while RNA contains the nitrogenous base uracil. The diagram below shows the structure of a DNA nucleotide.
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Unlike double-stranded DNA, RNA is a single-stranded molecule in many of its biological roles and consists of much shorter chains of nucleotides. ... While the sugar-phosphate "backbone" of DNA contains deoxyribose, RNA contains ribose instead.
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The DNA is a double-stranded molecule that has a long chain of nucleotides. The RNA is a single-stranded molecule which has a shorter chain of nucleotides. DNA replicates on its own, it is self-replicating. RNA does not replicate on its own.
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The only other difference in the nucleotides of DNA and RNA is that one of the four organic bases differs between the two polymers. The bases adenine, guanine, and cytosine are found in both DNA and RNA; thymine is found only in DNA, and uracil is found only in RNA.
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The deoxyribose sugar of DNA contains one less oxygen-containing hydroxyl group. DNA is a more stable nucleic acid. RNA, on the other hand, contains a ribose sugar and is more reactive than DNA. Therefore, DNA is a better genetic material than RNA.
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DNA polymerase Vs RNA polymerase: ... The DNA is a double-stranded molecule, while the RNA is single-stranded- formed from the DNA during transcription. Based on that, another difference between both is that the DNA polymerase manufacture double-stranded DNA while the RNA polymerase manufacture a single-stranded RNA.
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As far as i know, cDNAs are very stable molecules compared to RNAs. to minimize contamination considering low stability of RNAs. ... their works during cDNA works.
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RNA is different from DNA is three ways: (1) the sugar in RNA is ribose not dioxyribose; (2) RNA is generally single-stranded and not double-stranded; and (3) RNA contains uracil in place of thymine. ... The DNA stays safely in the nucleus, while the RNA goes to the protein-building sites in the cytoplasm -- the ribosomes.
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(1) DNA has the sugar deoxyribose and RNA has the sugar ribose. (2) DNA is double stranded and RNA is single stranded. (3) DNA has the nitrogen base thymine. RNA has no thymine, but has uracil instead.
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DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. ... DNA is a double-stranded molecule while RNA is a single stranded molecule. DNA is stable under alkaline conditions while RNA is not stable.
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Also, RNA nucleotides contain ribose sugars while DNA contains deoxyribose and RNA uses predominantly uracil instead of thymine present in DNA. ... This base is also a pyrimidine and is very similar to thymine. Uracil is energetically less expensive to produce than thymine, which may account for its use in RNA.
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DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. The only difference between ribose and deoxyribose is that ribose has one more -OH group than deoxyribose, which has -H attached to the second (2') carbon in the ring. ... DNA is stable under alkaline conditions, while RNA is not stable.
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Like DNA, RNA is made up of nucleotides. ... There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.
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['DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. ... ', 'DNA is a double-stranded molecule, while RNA is a single-stranded molecule.', 'DNA is stable under alkaline conditions, while RNA is not stable.', 'DNA and RNA perform different functions in humans.']