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What bond holds purine bases and pyrimidine bases together?
Hydrogen bonds hold purine bases (adenine and guanine) and pyrimidine bases (cytosine, thymine, and uracil) together in DNA and RNA molecules. These hydrogen bonds form between specific pairs of bases, with adenine always pairing with thymine (or uracil in RNA) and guanine always pairing with cytosine.
Does Complementary base pairing always pairs a purine with a pyrimidine?
Yes, complementary base pairing in DNA always pairs a purine (adenine or guanine) with a pyrimidine (thymine or cytosine). This specific pairing allows for the formation of hydrogen bonds between the bases, ensuring stability in the DNA double helix structure.
Number of purine bases in DNA molecule with nine base pairs?
There would be a total of six purine bases in a DNA molecule with nine base pairs. Purine bases include adenine (A) and guanine (G). Each base pair consists of one purine base and one pyrimidine base.
How do the base pairing rule relate to chargaffs rules?
Chargaff's rule means that there should be the same number of purine and pyrimidine bases in DNA. The base pairing rules means that A always pairs with T, and G always pairs with C ie. a purine always pairs with a pyrimidine, so there must be the same number of both proving Chargaff's rule.
Purine bases have what kind of structure?
Purine bases have a double-ring structure, consisting of a pyrimidine ring fused to an imidazole ring. Adenine and guanine are the two purine bases found in DNA and RNA molecules.
What bond holds purine bases and pyrimidine bases together?
Hydrogen bonds hold purine bases (adenine and guanine) and pyrimidine bases (cytosine, thymine, and uracil) together in DNA and RNA molecules. These hydrogen bonds form between specific pairs of bases, with adenine always pairing with thymine (or uracil in RNA) and guanine always pairing with cytosine.
How are four bases paired in a molecule DNA?
Adenine(purine)=========thymine(pyrimidine)Guanine(purine)----------------cytosine(pyrimidine)
A particular sequence of parent DNA has five purine bases and two pyrimidine bases. According to base pairing rules, which of the following sequences could be formed during replication?
Chargaff's rule means that there should be the same number of purine and pyrimidine bases in DNA. The base-pairing rules mean that A always pairs with T, and G always pairs with C ie. a purine always pairs with a pyrimidine, so there must be the same number of both proving Chargaff's rule.
Is thymine and guanine both pryimidine bases?
Thymine is a pyrimadine base. Guanine is a purine derivative.
Does Complementary base pairing always pairs a purine with a pyrimidine?
Yes, complementary base pairing in DNA always pairs a purine (adenine or guanine) with a pyrimidine (thymine or cytosine). This specific pairing allows for the formation of hydrogen bonds between the bases, ensuring stability in the DNA double helix structure.
Number of purine bases in DNA molecule with nine base pairs?
There would be a total of six purine bases in a DNA molecule with nine base pairs. Purine bases include adenine (A) and guanine (G). Each base pair consists of one purine base and one pyrimidine base.
How do the base pairing rules relate to chargaffs rules?
Chargaff's rule means that there should be the same number of purine and pyrimidine bases in DNA. The base pairing rules means that A always pairs with T, and G always pairs with C ie. a purine always pairs with a pyrimidine, so there must be the same number of both proving Chargaff's rule.
How do the base pairing rule relate to chargaffs rules?
Chargaff's rule means that there should be the same number of purine and pyrimidine bases in DNA. The base pairing rules means that A always pairs with T, and G always pairs with C ie. a purine always pairs with a pyrimidine, so there must be the same number of both proving Chargaff's rule.
Will a purine base bond with another purine?
no.because there is not enough space to bind two purine bases.
What are the purine bases and pyrimidine bases?
The purine bases are adenine and guanine, while the pyrimidine bases are cytosine, thymine, and uracil. Purine bases have a double-ring structure, while pyrimidine bases have a single-ring structure. These nitrogenous bases are essential components of DNA and RNA molecules.
Purine bases have what kind of structure?
Purine bases have a double-ring structure, consisting of a pyrimidine ring fused to an imidazole ring. Adenine and guanine are the two purine bases found in DNA and RNA molecules.
What are the three pyrimidine bases?
There are 2 groups of nitrogen bases. These are Pyrimidine and Purine. In the Purine group, there are Adenine and Guanine, In the Pyrimidine group, there are Cytosine, Thymine(replaced by Uracil in RNA).
