what is the difference between a b and z dna?
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Ø The sugar pucker in B-DNA is C2' endo form. Ø The glycosidic bond conformation in B-DNA is in anti- form. Z-DNA is a left-handed double helical conformation of DNA in which the double helix winds to the left in a zig-zag pattern. ... Ø The Z-DNA is a left handed helical structure.
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DNA has Thymine, where as RNA has Uracil. RNA nucleotides include sugar ribose, rather than the Deoxyribose that is part of DNA. Functionally, DNA maintains the protein-encoding information, whereas RNA uses the information to enable the cell to synthesize the particular protein.
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Summary of Differences Between DNA and RNA 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.
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DNA is double-stranded, while RNA is single-stranded. RNA contains ribose as a sugar, while DNA contains deoxyribose. Also, three of the nitrogenous bases are the same in the two types (adenine, cytosine, and guanine), but DNA contains thymine while RNA contains uracil.
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Answer is : DNA and RNA are different from their structure, functions, and stabilities. DNA has four nitrogen bases adenine, thymine, cytosine, and guanine and for RNA instead of thymine, it has uracil. Also, DNA is double-stranded and RNA is single-stranded which is why RNA can leave the nucleus and DNA can't.
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Explain the difference between a nucleotide and a "base." - Base implies one of the nitrogenous bases( adenine, guanine, cytosine, thymine). - One nucleotide is composed of a base, a deoxyribose sugar, and a phosphate. - There are four types of nucleotides because there are four types of bases.
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The main difference between homologous and non-homologous chromosomes is that homologous chromosomes consist of alleles of the same type of genes in the same loci whereas non-homologous chromosomes consist of alleles of different types of genes.
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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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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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The DNA and RNA Structures Nucleotides simply refer to nitrogenous bases, pentose sugar together with the phosphate backbone. Both DNA and RNA have four nitrogenous bases each—three of which they share (Cytosine, Adenine, and Guanine) and one that differs between the two (RNA has Uracil while DNA has Thymine).
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As mentioned earlier, however, there are three fundamental differences that account for the very different functions of the two molecules. 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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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 base pairing is slightly different since DNA uses the bases adenine, thymine, cytosine, and guanine; RNA uses adenine, uracil, cytosine, and guanine.
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The purines in DNA are adenine and guanine, the same as in RNA. The pyrimidines in DNA are cytosine and thymine; in RNA, they are cytosine and uracil. Purines are larger than pyrimidines because they have a two-ring structure while pyrimidines only have a single ring.
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One strand of DNA holds the information that codes for various genes; this strand is often called the template strand or antisense strand (containing anticodons). The other, and complementary, strand is called the coding strand or sense strand (containing codons).
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All nucleotides are made up of a sugar a base and a phosphate group. In DNA the sugar used is called deoxyribose whereas in RNA the sugar is ribose (hence DNA and RNA). The important structural difference between the two types of RNA is that mRNA takes on the shape of a line whereas tRNA has a clover-like shape.
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What are the differences between DNA and RNA? While the sugar for DNA is deoxyribose, the sugar for RNA is simply ribose. DNA is double stranded, while RNA has a single strand. ... Transcription is the process by which DNA is copied into mRNA.
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In most organisms DNA is the main genetic blueprint, while mRNA carries the information in the DNA code to the ribosome, where the mRNA is translated into proteins according to the sequence of the bases.