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Q: How many molecules of adenine and thymine are in each DNA model?
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What do Chargaff's rules state about adenine and thymine?

In each species, the amount of adenine equals the amount of thymine.


What scientist found that DNA contains equal amount of thymine and adenine?

Erwin Chargaff is his name


In DNA adenine pairs with?

Short answer: Adenine More information: In the model of DNA that was discovered by Rosalind Franklin, James Watson and Francis Crick in 1953 proposed that DNA was a double helix structure with 4 bases which pair to each other. Due to experiments that had been carried out by other scientists at the time (namely Erwin Chargoff in 1949) he showed that despite the amount of DNA present the amount of adenine was always equal to the amount of thymine and the amount of cytosine to the amount of guanine. When Watson had this information he suddenly realised that the adenine-thymine bond was the same length as the cytosine-guanine bond and therefore they would pair to each other in a double helix model. Thymine and adenine are held together by a double hydrogen bond; whereas cytosine and guanine form a triple hydrogen bond.


What is correct about Chargaff's rule for each species A adenine equals guanine B adenine equals thymine C adenine equals cytosine D adenine guanine thymine and cytosine amounts are equal?

in each species the amount of adenine equals the amount of cytosine


What is a nucleotide that pairs with guanine?

In DNA, nucleotide cytosine and guanine pairs with each other. Nucleotide adenine and thymine also pairs with each other. However in RNA, the thymine is not present, so in its place, uracil pairs with adenine.


What does each letter in the genetic code stand for?

Guanine, Adenine, Thymine, Cytosine.


How many colors do you need to make a DNA model?

You would need 6 colours, one for each of: adenine, thymine, guanine, cytosine, phosphate and deoxyribose.


What are the nitrogen based pairs?

The nitrogen bases in DNA are adenine, guanine, cytosine, and thymine. They pair with each other as follows: adenine pairs with thymine, and cytosine pairs with guanine. The nitrogen bases in RNA are adenine, guanine, cytosine, and uracil. They pair with each other as follows: adenine pairs with uracil, and cytosine pairs with guanine.


In each species does the amount of adenine equal to the amount of thymine?

Every adenine in DNA will be paired to a thymine. However in RNA adenine is paired to uracil. So no - all else being equal since there is DNA and RNA in a body there will not be equal amounts.


What are cytosine and guanine?

cytosine and thymine are pyrimidine bases, and adenine and quanine are purine bases:)). YOUR WELCOME!!


Are there always going to be an equal number of adenine and thymine nucleotides in a molecule why?

Yes, because the Adenine and Thymine pair with each other.


How much of each base is in DNA?

For each person, Adenine, Thymine, Cytosine, and Guanine can be in different amounts. It what makes you you.