which one of the following processes requires complementary base pairing?
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In other words, adenine and thymine are complementary base pairs, and cytosine and guanine are also complementary base pairs. This is the basis for Chargaff's rule; because of their complementarity, there is as much adenine as thymine in a DNA molecule and as much guanine as cytosine.
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Base pairs often are used to measure the size of an individual gene within a DNA molecule. The total number of base pairs is equal to the number of nucleotides in one of the strands (each nucleotide consists of a base pair, a deoxyribose sugar, and a phosphate group).
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The four bases found in DNA are adenine (A), cytosine (C), guanine (G) and thymine (T). These four bases are attached to the sugar-phosphate to form the complete nucleotide, as shown for adenosine monophosphate. Adenine pairs with thymine and guanine pairs with cytosine, forming A-T and G-C base pairs.
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Adenine pairs with thymine with 2 hydrogen bonds. Guanine pairs with cytosine with 3 hydrogen bonds. This creates a difference in strength between the two sets of Watson and Crick bases.
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['A (Adenine): One of the four DNA bases. ... ', 'Amino Acid: The basic unit of a protein, and sometimes called the “building blocks of life”. ... ', "Ancestry: An individual's family or ethnic descent. ... ", 'Base: The most basic unit of DNA. ... ', "Base Pair: Also sometimes called the 'rungs' of the DNA ladder."]
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One of the key molecules in DNA replication is the enzyme DNA polymerase. DNA polymerases are responsible for synthesizing DNA: they add nucleotides one by one to the growing DNA chain, incorporating only those that are complementary to the template.
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Replication relies on complementary base pairing, that is the principle explained by Chargaff's rules: adenine (A) always bonds with thymine (T) and cytosine (C) always bonds with guanine (G).
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Each codon has a complementary set of bases, called an anticodon. Anticodons are a part of transfer RNA (tRNA) molecules. Attached to each tRNA molecule is an amino acid -- in this case, the amino acid is methionine (met).
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Nucleic acids, which are composed of nucleotides, are very large and complex organic molecules that contain the genetic code for that organism. Two closely related types are needed to transmit the genetic information from parent to offspring: DNA and RNA. Not surprisingly, they also share structural similarities.
970584
Outline how DNA nucleotides are linked together by covalent bonds into a single strand. A covalent bond forms between the sugar of one nucleotide and the phosphate group of another nucleotide. Explain how a DNA double helix is formed using complementary base pairing and hydrogen bonds.
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The main enzyme involved in transcription is RNA polymerase, which uses a single-stranded DNA template to synthesize a complementary strand of RNA. ... RNA polymerase synthesizes an RNA strand complementary to a template DNA strand.
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The complementary bases on the codon and anticodon are held together by hydrogen bonds, the same type of bonds that hold together the nucleotides in DNA. The ribosome only allows the tRNA to bind to the mRNA if it is carrying an amino acid.
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Analogous to the individual strands of DNA, RNA has a phosphate-ribose backbone, with a base covalently linked to the 1′ position on each ribose. 3. RNA nucleotides carry the bases adenine, guanine, and cytosine, but the pyrimidine base uracil (U) is found in place of thymine.
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['the base adenine - a double ring like section with several nitrogen atoms (blue),', 'the 5 carbon sugar ribose in the centre, and.', '3 phosphate groups - a row of phosphorus atoms (orange) surrounded by oxygens (red).']
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During transcription, the DNA of a gene serves as a template for complementary base-pairing, and an enzyme called RNA polymerase II catalyzes the formation of a pre-mRNA molecule, which is then processed to form mature mRNA (Figure 1).
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Each codon has a complementary set of bases, called an anticodon. Anticodons are a part of transfer RNA (tRNA) molecules. Attached to each tRNA molecule is an amino acid -- in this case, the amino acid is methionine (met). You've matched the first codon in this mRNA molecule, AUG, with its complement, UAC.
1442009
There are four nitrogenous bases found in DNA that are called guanine, adenine, thymine and cytosine. ... Each nucleotide base can hydrogen-bond with a specific partner base in a process known as complementary base pairing: Cytosine forms three hydrogen bonds with guanine, and adenine forms two hydrogen bonds with thymine.