how to calculate percentages of bases in dna?
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We know Adenine pairs with Thymine,and Cytosine pairs with Guanine.So there must be equal amounts of A and T,and equal amounts of C and G. We have 68% left... since there are equal amounts of C and G,68 will be divided by 2,giving 34% of Cytosine and Guanine each. So A=16%,T=16%,C=34% and G=34%.
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DNA contains only four bases, called A, T, C and G. The sequence of the nucleotides along the backbone encodes genetic information. The four roles DNA plays are replication, encoding information, mutation/recombination and gene expression.
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Nitrogenous bases present in the DNA can be grouped into two categories: purines (Adenine (A) and Guanine (G)), and pyrimidine (Cytosine (C) and Thymine (T)).
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Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). A DNA molecule is composed of two strands.
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In DNA, there are four different bases: adenine (A) and guanine (G) are the larger purines. Cytosine (C) and thymine (T) are the smaller pyrimidines. ... Three of these are the same as in DNA: adenine, guanine, and cytosine. RNA contains uracil (U) instead of thymine (T).
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The four bases found in DNA are adenine (A), cytosine (C), guanine (G) and thymine (T). These four bases are attached to the sugar-phosphate to form the complete nucleotide, as shown for adenosine monophosphate.
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Answer and Explanation: If a piece of double stranded DNA has 32% thymine it has 18% cytosine. This is because of Chargaff's rule which states that the amount of thymine is...
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Basis points to percentage – Divide the points by 100. Percentage to basis points – Multiply the percentage by 100.
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There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine).
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['Step I: Obtain the percentage.', 'Step II: Convert the given percentage into fraction by dividing it by 100 and removing percentage symbol (%).', 'Step III: Reduce the fraction obtained in step II in the simplest form.', 'Step IV: Write the fraction obtained in step III as a ratio.']
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The sugar–phosphate groups line up in a “backbone” for each single strand of DNA, and the nucleotide bases stick out from this backbone. The carbon atoms of the five-carbon sugar are numbered clockwise from the oxygen as 1′, 2′, 3′, 4′, and 5′ (1′ is read as “one prime”).
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The complete DNA instruction book, or genome, for a human contains about 3 billion bases and about 20,000 genes on 23 pairs of chromosomes. What is DNA made of? DNA is made of chemical building blocks called nucleotides.
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['Example: Convert 0.125 to percent. Multiply 0.125 by 100: ... ', 'Example: Convert 0.35 to percent. Move the decimal point two places to the right: 0.35 → 3.5 → 35. ... ', 'Example: Convert 0.985 to percent. ... ', 'Example: Convert 1.2 to percent.']
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Image of the components of DNA and RNA, including the sugar (deoxyribose or ribose), phosphate group, and nitrogenous base. Bases include the pyrimidine bases (cytosine, thymine in DNA, and uracil in RNA, one ring) and the purine bases (adenine and guanine, two rings). The phosphate group is attached to the 5' carbon.
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The X chromosome spans about 155 million DNA building blocks (base pairs) and represents approximately 5 percent of the total DNA in cells. Each person normally has one pair of sex chromosomes in each cell. Females have two X chromosomes, while males have one X and one Y chromosome.
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The interior portion of a DNA molecule is composed of a series of 4 nitrogenous bases: adenine (A), guanine (G), thymine (T), and cytosine (C). These bases are non-polar and therefore hyrdophobic (they don't like water).
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To find it, we use the percent proportion (or we can set up an equation as we did last time). A B = r 100 where A is the amount, B is the base, and r is the rate (without the % sign. i.e. if R = 25%, then we just use r = 25.)