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When analyzing the structure of the DNA molecule 20% of the nitrogenous bases are thymine and 30% are guanine what percent of the nitrogenous bases will be adenine?
Correct answer:
Together, adenine and thymine compose 70% of the segment. This means that 30% of the section is composed of guanine-cytosine pairs.
Is A double-stranded DNA has 20% of cytosine calculate the percent of adenine in the DNA?
Thus, if a double-stranded DNA has 20% cytosine, it has 20% guanine. Thus, C + G makes 40% of the total bases. The remaining 60% includes both adenine and thymine which are in equal amounts. So, the percentage of adenine is 30%.
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What is the percentage of adenine A in A sample of DNA if the percentage of guanine G is 20%?
If you have 20% of adenine than you have 20% of thymine, because the amount of adenine and thymine is equal. 20% plus 20% is 40% of adennine and thymine. From 100% DNA bases subtract 40% and you will get 60%.
What is the percentage of guanine in a DNA sample contains 20 thymine?
A double-stranded DNA molecule with 20% thymine would contain 30% guanine.
What is the percentage of cytosine if 20% of nitrogenous bases in a DNA molecule is adenine?
1 Answer. Since adenine is 20%, then thymine is 20% as well. The total of both is 40%. From 100 remains 60% which is divided equally between guanine and cytosine, so each is 30%.
How many hydrogen bonds are present in three turns of Dsdna if 20% nucleotides are thymine?
question. There are 78 hydrogen bonds in ds DNA if it has 20% nucleotides as thymine. Explanation: In 1 turn 10 base pairs of DNA are there.
What is the percentage of cytosine in the DNA having 18% of adenine?
Now, total percentage of total A and T = 100 – 18 – 18 = 64, so the percentage of A is 64/2 = 32%.
How do you calculate cytosine and adenine?
- Here adenine residues =120, cytosine residues = 120.
- there fore total number of nucleotides = A] + [T]+ [C]+[G] =120 X 4 = 480.
- In humans, there is approximately 30% adenine. …
- According to Chargaff’s rule, [A]+[G]=[C]+[T]
- Here [A]=30% therefore % of [T] is also 30%.
How much adenine guanine and cytosine are present if a DNA strand contains 20 thymine?
So, the correct answer is ‘30%’.
What will be the percentage of guanine in A haploid cell if adenine is 24%?
Since Adenine pairs with Thymine and Guanine pairs with Cytosine, the percentages of Guanine and Cytosine will be the same. So the total percentage of Cytosine and Guanine will be 17+17=34%.
What is the percentage of adenine in a DNA double helix where 30% of the bases are guanine?
In human DNA, if adenine makes up approximately 30.9% of the bases, and guanine makes up approximately 19.9% of the bases, what will be the percentage of thymine and cytosine?
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What percent of guanine is found in DNA if the percent thymine is 32%?
1 Expert Answer
Remember that A bonds to T and G with C. The problem tells you that the DNA is 32% G; there must also be 32% C; together, this is 64% of nucleotide content for that DNA sample. 36% remains to be accounted for. This must be divided between A and T.
What percentage is guanine?
Guanine (G) in DNA is one-to-one coupled to cytosine (C), so that also makes up for 10%. Then there’s 80% left for the other one-to-one couple: Thymine (T) and adenine (A). So 40% T and 40% A.
What is the percentage of cytosine If thymine is 30%?
There would be 20% Cytosine. Adenine (30%) = Thymine (30%)
What percentage is cytosine in DNA?
In a DNA molecule cytosine is 18%.
What amount of thymine would be found in A strand of DNA composed of 15% cytosine?
In a strand of DNA composed of 15% cytosine, what amount of thymine would be found in this DNA? There would be 70% adenine and thymine in the DNA. This would mean that there is 35% thymine.
What is the ratio of adenine to cytosine?
Chargaff’s rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio of purine and pyrimidine bases (i.e., A+G=T+C ) and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.
How many hydrogen bonds are in three turns of DNA?
So, 12 nucleotides are thymine. thymine is double bonded with hydrogen bonds with adenine so 12 nucleotides are adenine according to Chargaff’s rule.So it will have 24 hydrogen bonds.
How many hydrogen bonds are present in a coil of DNA?
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| Question | In DNA segment of six coils, 22 bp are linked by two hydrogen bonds. How many cytosine would be present ? |
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| Type of Answer | Video & Image |
How many nucleotides are present in one turn of DNA helix?
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How many nucleotides are present in one turn of DNA helix.
| Question | How many nucleotides are present in one turn of DNA helix |
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| Question Video Duration | 1m54s |
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What are nucleosides?
nucleoside, a structural subunit of nucleic acids, the heredity-controlling components of all living cells, consisting of a molecule of sugar linked to a nitrogen-containing organic ring compound.
How many pairs of nucleotides are present in one turn of DNA helix?
Ten base pairs.
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