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โˆ™ 2010-02-09 19:17:20
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Q: Why adenine thymine show double bonds guanine cytosine show triple bonds?
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How do adenine and thymine and cytosine and guanine differ?

thymine and cytosine are single-ring structures, whereas adenine and guanine are double-ring structures.

What bases do adenine and guanine have?

adenine and guanine are double ringed bases, that bond with thymine and cytosine (mono ringed bases). adenine bonds with thymine (double connection, whereas guanine bonds with cytosine (triple connection)

What are the rungs made of in a double helix DNA?

The 'rungs' in DNA consist of adenine, thymine, cytosine, and guanine. Adenine and thymine bond, and cytosine and guanine bond.

Which nucleotide is found in the DNA?

Adenine, guanine, cytosine and thymine. Adenine and guanine are double ringed purines and cytosine and thymine are pyrimidines of a single carbon/nitrogen ring.

What is the structure and bases of DNA?

dna is deoxyribonucleic acid, and the bases are thymine, guanine, cytosine, and adenine. adenine pairs with thymine, cytosine pairs with guanine. the structure is a double helix

What are the nitrogen bases in a DNA double helix?

adenine, thymine, cytosine and guanine

How is the hydrogen bond formed between purine and pyrimidine?

In the case of adenine bonding to thymine, the NH group of the thymine bonds with the N of the adenine, and the double-bonded oxygen on the thymine bonds with the NH2 group on the adenine. (thymine)N - H - N(adenine) and (thymine)=O - H - NH(adenine) In the case of guanine bonding to cytosine, the double-bonded O group of the cytosine bonds with the NH2 of the guanine, the N on the cytosine bonds with the NH group on the guanine, finally, the NH2 on the cytosine bonds with the double-bonded O on the guanine. (cytosine)=O - H - NH(guanine) and (cytosine)N - H - N(guanine) finally (cytosine)NH - H - O=(guanine) In summary, there are two H bonds between an adenine and a thymine. There are three H bonds between a cytosine and guanine.

Structure of DNA and RNA?

DNA: - double helix - deoxyribose - Thymine, Guanine, Cytosine, and Adenine RNA: - single strand - ribose - Uracil, Guanine, Cytosine, and Adenine

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 does guanine pair on DNA?

Guanine pairs with Cytosine on the human DNA double helix. Adenine pairs with Thymine.

Is there double and triple bonds present in DNA?

DNA is made up of double and triple bonds. If you remember the nitrogenous basis i.e. adenine. guanine, cytosine and thymine, where adenine pairs with thymine by double bond and guanine pairs with cytosine with triple bonds.

How are the bases paired within the DNA double helix -?

G to C A to T Guanine pairs with cytosine, and adenine with thymine, due to the hydrogen bonding in two locations between adenine and thymine, and three in guanine and cytosine.

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