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Pyrimidines in DNA is about equal to the percentage of purines. This is established by Chargoff's rule and is confirmed by the fact that base pairing of anything but a pyrimidine with a purine would be too wide or too narrow to fit within the backbones of a DNA strand

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What do we called nucleotides that pair of together?

Complementary base pair


Do nucleotides only pair with certain other nucleotides based on their properties?

Yes, nucleotides pair with specific complementary nucleotides based on their chemical properties.


Do the rna nucleotides pair exactly as they were DNA replication?

No, RNA nucleotides in transcription pair with complementary DNA nucleotides according to the base pairing rules (A-U, G-C), as opposed to replicating DNA in which DNA nucleotides pair with complementary DNA nucleotides (A-T, G-C).


Do guanine always pair with adenine?

They pair by hydrogen bonds holding them together. Covalent bonds hold the nucleotides together, creating a sugar-phosphate backbone.


How many nucleotides that can pair up with adenine?

2


Why are guanine and cytosine and they and adenine useful in the DNA molecules?

Guanine is a purine and Cytosine is a pyrimidine. They are nucleotides that pair together. The two are useful in DNA molecules because they pair together, along with Adenine and Thymine, which build a double helix. Guanine, Adenine, Thymine, and Cytosine are all nitrogenous bases.


What enzyme connects nucleotides together during DNA replication?

The Ligase connects nucleotides together during DNA replication.


What pair forms a rung in the DNA ladder?

The base of the nucleotides


What nucleotides bond together in DNA?

At, GC


What are the nucleotides called that pair with thymine in DNA?

Adenine always pairs with thymine in DNA.


Which pair of nucleotides would pair with the dna segment ttacgc?

The DNA sequence that would pair with the DNA segment TTACGC is AATGCG. The mRNA sequence that would pair with the DNA segment TTACGC is AAUGCG.


If the sequence of nucleotides of one strand of the two strands of DNA was known is it possible to use that information to determine the sequence of the second strand?

Yes because the bases pair uniquely when the strands are joined together.