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Yes. Adenine+Guanine, or Cytosine+Thymine; each is a pyrimidine/purine pair.

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When purine base only pairs with a pyrimidine?

This is a basic principle of DNA base pairing called Chargaff's rule. Adenine (purine) pairs with thymine (pyrimidine), while guanine (purine) pairs with cytosine (pyrimidine). This complementary base pairing is essential for the double-stranded structure of DNA.


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.


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.


When a purine base only pairs with a pyrimidine what is it called?

When a purine base pairs with a pyrimidine, it forms a complementary base pair. This pairing is important in the structure of DNA molecules, where adenine pairs with thymine and guanine pairs with cytosine through hydrogen bonding, creating the double helix structure of DNA.


Can purines pair with other purines?

No, purines cannot pair with other purines in DNA or RNA. Purines always pair with pyrimidines through complementary base pairing to maintain the double-stranded structure of DNA. In DNA, adenine (a purine) pairs with thymine (a pyrimidine) and guanine (a purine) pairs with cytosine (a pyrimidine).

Related Questions

When purine base only pairs with a pyrimidine?

This is a basic principle of DNA base pairing called Chargaff's rule. Adenine (purine) pairs with thymine (pyrimidine), while guanine (purine) pairs with cytosine (pyrimidine). This complementary base pairing is essential for the double-stranded structure of DNA.


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.


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.


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.


When a purine base only pairs with a pyrimidine what is it called?

When a purine base pairs with a pyrimidine, it forms a complementary base pair. This pairing is important in the structure of DNA molecules, where adenine pairs with thymine and guanine pairs with cytosine through hydrogen bonding, creating the double helix structure of DNA.


Can purines pair with other purines?

No, purines cannot pair with other purines in DNA or RNA. Purines always pair with pyrimidines through complementary base pairing to maintain the double-stranded structure of DNA. In DNA, adenine (a purine) pairs with thymine (a pyrimidine) and guanine (a purine) pairs with cytosine (a pyrimidine).


Why do the purines bond with pyrimidines in the DNA ladder?

Based on the numebr of complementary hydrogen bonds. C (cytosine) bonds with G (guanine) through 3 hydrogen bonds whereas T (thymine) bonds with A (adenine) with only two.


How does DNA base pairing result in molecule that has uniform width?

Because the nucleotides are complementary (A-T and G-C)when adenine combines with thymine it is the same length as when guanine combines with cytosineThats why when there is incorrect base pairing the width is irregular (like A-C).


Why do the purine and pyrimidine bases always pair together?

It has to do with the size of each molecule. One is large (double ring) and the other is small (single ring). By having them pair with each other, the spacing along the length of DNA or RNA is kept uniform.


How are four bases paired in a molecule DNA?

Adenine(purine)=========thymine(pyrimidine)Guanine(purine)----------------cytosine(pyrimidine)


Draw and label a segment of DNA showing its helix and complementary base pairing?

If you're drawing a diagram, then it's best to look at other diagrams and models of DNA. Some are provided in the links below, although there is a wealth of information about DNA on the internet that can be found if searched for.