what does it mean when we say that dna is has an antiparallel structure?
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What is meant by the description antiparallel regarding the strands that make up DNA? What is meant by antiparallel strands as it refers to the structure of DNA? DNA's structure is a double helix, so there are two sides. One side runs in one direction 3' to 5' and the other side runs in the opposite direction 5' to 3'.
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DNA REPLICATION - Enzymes and protein DNA replication is the process of producing two identical replicas from one original DNA molecule. This biological process occurs in all living organisms and is the basis for biological inheritance. DNA is made up of two strands and each strand of the original DNA molecule serves as template for the production of the complementary strand, a process referred to as semiconservative replication.
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Structural Components of Deoxyribonucleic Acid: Antiparallel DNA Strands This arrangement is called antiparallel, the strands run in opposite directions to each other. In the case of circular DNA strands, which are mostly found in bacteria or viruses – though the structure is circular, there occurs some kind of polarity in the individual strand.
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- When DNA replicates, the double helix unzips, and free-floating bases pair up with their partners to form new strands. If we know the sequence of bases on one strand, we can predict what the complimentary strand will look like using complimentary base pairing: ATTTCGGA will pair up with the strand TAAAGCCT.
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Why is DNA called a double helix? Its structure is two spirals interlaced; double meaning two, helix being the technical word for such a shape.    DNA is known as the double helix because it coils up into …  chromosomes and looks like a winding staircase.
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DNA Enzymes? This arrangement of DNA strands is called antiparallel. The asymmetric ends of DNA strands are referred to as the 5′ (five prime) and 3′ (three prime) ends. One of the major differences between DNA and RNA is the sugar, with 2-deoxyribose being replaced by the alternative pentose sugar ribose in RNA.The four bases found in DNA are adenine (abbreviated A), cytosine (C), guanine (G) and thymine (T).his arrangement of DNA strands is called antiparallel. The asymmetric ends of DNA strands are referred to as the 5′ (five prime) and 3′ (three prime) ends. One of the major differences between DNA and RNA is the sugar, with 2-deoxyribose being replaced by the alternative pentose sugar ribose in RNA.
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- DNA is the blueprint that contains all the instructions for development and function of an entire living organism! A chromosome is just an organized structure that helps protect DNA from damage. As humans, we have 46 chromosomes (23 from our mom and 23 from our dad). Elephants actually have 56 chromosomes! Just for fun here is a list of some other organisms and the numbers of chromosomes in each:
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- This structure is very stable and it occurs because the DNA base pairs are able to interact with other bases in a very specific pattern: an A base on one strand will always pair with a T base on the other strand, the C base will always pair with a G. These combinations (A/T) and (G/C) are called base pairs.
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Geology and Topography of Tennessee Much of the rock in east Tennessee contains seams of bituminous coal. Contrary to what some people may believe, Tennessee coal is not made of the remains of dead dinosaurs! Coal in the Appalachians is made from the carb... Much of the rock in east Tennessee contains seams of bituminous coal.
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DNA Is a Structure That Encodes Biological Information When this DNA is collected and purified, the result is a whitish, sticky substance that is somewhat translucent. To actually visualize the double-helical structure of DNA, researchers require special imaging technology, such as the X-ray diffraction used by Rosalind Franklin.
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Why is the DNA helix anti-parallel? [duplicate] I think your last comment is the clincher. When the two strands run anti-parallel, they organize in a way that the hydrogen bonds stabilize the molecule in a low energy state. By the way, Watson addresses this pretty clearly in his book, The Double Helix. – johntreml Aug 21 '15 at 20:30.
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- The molecule has the shape of a double helix, typically right handed (B form DNA). The DNA molecule consists of two complementary strands oriented in an antiparallel fashion. Each strand is composed of nucleotides.
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How DNA Works The structure of DNA lends itself easily to DNA replication. Each side of the double helix runs in opposite (anti-parallel) directions. The beauty of this structure is that it can unzip down the middle and each side can serve as a pattern or template for the other side (called semi-conservative replication).he structure of DNA lends itself easily to DNA replication. Each side of the double helix runs in opposite (anti-parallel) directions. The beauty of this structure is that it can unzip down the middle and each side can serve as a pattern or template for the other side (called semi-conservative replication).
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Translations for dna replication DNA replication is a biological process that occurs in all living organisms and copies their DNA. DNA replication during interphase is the basis for biological inheritance.The process of DNA replication starts when one double-stranded DNA molecule produces two identical copies of the molecule.NA replication is a biological process that occurs in all living organisms and copies their DNA. DNA replication during interphase is the basis for biological inheritance.
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DNA condensation Condensation of long double-helical DNAs is a sharp phase transition, which takes place within a narrow interval of condensing agent concentrations.[ref] Since the double helices come very closely to each other in the condensed phase, this leads to the restructuring of water molecules, which gives rise to the so-called hydration forces.[ref] To understand attraction between negatively charged DNA molecules, one also must account for correlations between counterions in the solution.[ref] DNA ...
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Why is the DNA structure a double helix? The double helix structure of DNA confers an additional stability to the DNA molecule by virtue of overlapping planes of base pairs. What I mean to say is that due to helical structure of DNA , plane of one base pair is at a certain angle to the base pair just above it and another bp just below it.
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Paired DNA strands Summary. DNA has a double helix structure. If untwisted, DNA looks like two parallel strands. Each strand has a linear sequence of A, C, G, and T. The precise order of the letters carries the coded instructions. One strand is a complementary image of the other: A always pairs with T, and C always pairs with G.
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Antiparallel (biochemistry) Antiparallel (biochemistry) In biochemistry, two biopolymers are antiparallel if they run parallel to each other but with opposite alignments. An example is the two complementary strands of a DNA double helix, which run in opposite directions alongside each other.
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- The fact that the two strands composing a DNA molecule are called antiparallel has to do with the. orientation of the. A. sugar molecules. B. bases. C. phosphate molecules. D. hydrogen bonds. E. sulfide bonds. ____ 20.
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why is DNA antiparallel? Can it be parallel? In general, the enzymes that replicate and read DNA run in one direction along the single strand of DNA that they are operating on. The fact that the other strand of DNA is running in the opposite direction makes it impossible for these enzymes to jump from one strand to the other and ensures that they are operating on the proper information to do their job.
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- The sugar-phosphate supporting structure of the DNA double helix is  called the backbone. This is why the DNA is commonly referred to as  a double helix.1 person found this useful.he sugar-phosphate supporting structure of the DNA double helix is  called the backbone. This is why the DNA is commonly referred to as  a double helix. 1 person found this useful.
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Antiparallel (biochemistry) In DNA, the 5' carbon is located at the top of the leading strand, and the 3' carbon is located at the lower section of the lagging strand. The nucleic acid sequences are complementary and parallel, but they go in opposite directions, hence the antiparallel designation.
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"What does the term ""antiparallel"" mean when applied to a DNA double helix? Why is this term necessary?" Best Answer: That DNA is antiparallel means that the two strands of DNA have opposite chemical polarity, or, stated another way, their sugar-phosphate backbones run in opposite directions.
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- Answer for 910238253.Mb. THESE ARE THE BASE PAIRS IN DOUBLE STRANDED (DNA dsDNA). The anti-parallel strands allow for the formation of hydrogen bonds as illustrated in the figure. If the strands were not antiparallel these non-symetrical hydrogen bonding interactions would not be possible. It is important that CG interactions have three H- bonds, and AT have two H-bonds, to keep these parings specific.
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Understanding the Double Helix Structure of DNA Double Helix. Definition: In biology, double helix is a term used to describe the structure of DNA. A DNA double helix consists of two spiral chains of deoxyribonucleic acid. The shape is similar to that of spiral staircase. DNA is a nucleic acid composed of nitrogenous bases (adenine, cytosine, guanine and thymine), a five-carbon sugar (deoxyribose), and phosphate molecules.