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Why is oxygen 21 percent and nitrogen 78 percent?
This is the composition of the air.
What is the percent of cytosine in a DNA?
Double Stranded DNA is paired, with Adenine paired with Thymine Cytosine paired with Guanine Then the percent Cytosine in one strand will be exactly the percent Guanine in the other strand. And between the two strands, the percent Cytosine will be equal to the percent Guanine. For a random distribution, the percent should be about 25% for each nucleotide, or 50% for the GC pair, and 50% for the AT pair. However, DNA actually varies considerably from organism to organism. Streptomyces coelicolor A3(2), has a GC content as high as 72% Plasmodium falciparum has a GC content as low as 20%. See Wikipedia link on GC Content.
What is the percent composition of beryllium in BeO?
The composition of Be in BeO = 9 / 25 = 0.36 or 36%
What is the percent composition of cysteine?
The percent composition of cysteine (C3H7NO2S) is: - C: 29,75 % - O: 26,43 % - H: 5,83 % - N: 11,57 % - S: 26,42 %
What the percent composition of Pb and Fe in galena?
Galena is primarily made up of lead (PbS) and iron. The percent composition of lead (Pb) in galena is typically around 86.6%, while the percent composition of iron (Fe) is very low, usually less than 1%.
30 percent of thymine is equal to what percent of cytosine?
20%
If DNA were 40 percent cytosine what would be percent of guanine?
20% because cytosine and guanine have equal amounts. Always
A double-stranded DNA molecule contains 30 percent guanine What is the percent cytosine in this molecule Where is the promoter region?
30 percent
What is the percent composition in lithium and bromine?
The percent composition of lithium in lithium bromide (LiBr) is approximately 7.7%. The percent composition of bromine in lithium bromide is approximately 92.3%.
What is the percent composition of c5h12?
The percent composition of C5H12 is: carbon (C) = 83.78%, hydrogen (H) = 16.22%.
What is the percent composition for 29.0 g of Argon combine completely with 4.30 g of Sulfur?
To find the percent composition, first calculate the total mass by adding the masses of Argon and Sulfur. Then, determine the percent composition of each element by dividing the mass of that element by the total mass and multiplying by 100. In this case, the percent composition of Argon is about 87.1%, and the percent composition of Sulfur is about 12.9%.
What is the percent of a composition of a compound containing 8.6g of Be and 52.4g of I?
To find the percent composition of each element in the compound, you first calculate the molar mass of Be (9.01 g/mol) and I (126.90 g/mol). Then, calculate the percent composition of each element by dividing the mass of the element by the total molar mass of the compound and multiplying by 100. The percent composition of Be is 5.14% and the percent composition of I is 94.86%.
What is the percent composition for Cr2O3?
The percent composition of Cr2O3 is approximately 68% Chromium (Cr) and 32% Oxygen (O).
What is the percent composition of calcium flouride?
The percent composition of calcium fluoride is approximately 51.1% calcium and 48.9% fluorine.
What is the percent composition of sodium bromide?
Sodium bromide has a percent composition of approximately 22.8% sodium and 77.2% bromine.
What is the percent composition for CuBr2?
The percent composition for CuBr2 is: Cu= 28.45% Br= 71.55%
What is the percent composition of MnCl2?
MnCl2 contains one manganese (Mn) atom and two chlorine (Cl) atoms. To calculate the percent composition, divide the molar mass of each element by the molar mass of the compound and multiply by 100. The percent composition of Mn in MnCl2 is 25.41%, and the percent composition of Cl is 74.59%.
