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In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C is 0.3. what is the A +G/T +C ratio of the entire DNA molecule?
- a)0.3
- b)0.6
- c)1.2
- d)1
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C i...
According to Chargaff's rules (1950), purine and pyrimidine base pairs are present in equal amounts in a DNA molecule.
i.e., [A+B]=[T+C]
i.e., [A+B]=[T+C]
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In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C i...
The A T/G C ratio is a measure of the base composition of a DNA molecule. A DNA molecule is composed of two polynucleotide strands that are complementary to each other. Each strand consists of a linear sequence of nucleotides, which are the building blocks of DNA. There are four types of nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
The A T/G C ratio is determined by comparing the number of adenine (A) and thymine (T) nucleotides to the number of guanine (G) and cytosine (C) nucleotides in a single polynucleotide strand. In this case, the ratio is given as 0.3, which means that for every 3 adenine (A) or thymine (T) nucleotides, there are 10 guanine (G) or cytosine (C) nucleotides.
Now, let's consider the entire DNA molecule, which consists of two complementary polynucleotide strands. Since the two strands are complementary, the base pairs will always be A-T and G-C. Therefore, the A G/T C ratio for the entire DNA molecule can be calculated by multiplying the ratio of A T/G C in one strand by the ratio of A T/G C in the other strand.
In this case, the ratio of A T/G C in one strand is 0.3, which means that for every 3 adenine (A) or thymine (T) nucleotides, there are 10 guanine (G) or cytosine (C) nucleotides. Therefore, the ratio of A T/G C in the other strand would be the inverse of 0.3, which is 10/3.
To calculate the A G/T C ratio for the entire DNA molecule, we multiply the two ratios together:
0.3 * (10/3) = 1
Therefore, the A G/T C ratio of the entire DNA molecule is 1. This means that for every 1 adenine (A) or guanine (G) nucleotide, there is 1 thymine (T) or cytosine (C) nucleotide.
The A T/G C ratio is determined by comparing the number of adenine (A) and thymine (T) nucleotides to the number of guanine (G) and cytosine (C) nucleotides in a single polynucleotide strand. In this case, the ratio is given as 0.3, which means that for every 3 adenine (A) or thymine (T) nucleotides, there are 10 guanine (G) or cytosine (C) nucleotides.
Now, let's consider the entire DNA molecule, which consists of two complementary polynucleotide strands. Since the two strands are complementary, the base pairs will always be A-T and G-C. Therefore, the A G/T C ratio for the entire DNA molecule can be calculated by multiplying the ratio of A T/G C in one strand by the ratio of A T/G C in the other strand.
In this case, the ratio of A T/G C in one strand is 0.3, which means that for every 3 adenine (A) or thymine (T) nucleotides, there are 10 guanine (G) or cytosine (C) nucleotides. Therefore, the ratio of A T/G C in the other strand would be the inverse of 0.3, which is 10/3.
To calculate the A G/T C ratio for the entire DNA molecule, we multiply the two ratios together:
0.3 * (10/3) = 1
Therefore, the A G/T C ratio of the entire DNA molecule is 1. This means that for every 1 adenine (A) or guanine (G) nucleotide, there is 1 thymine (T) or cytosine (C) nucleotide.
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In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C is 0.3. what is the A +G/T +C ratio of the entire DNA molecule?a)0.3b)0.6c)1.2d)1Correct answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C is 0.3. what is the A +G/T +C ratio of the entire DNA molecule?a)0.3b)0.6c)1.2d)1Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C is 0.3. what is the A +G/T +C ratio of the entire DNA molecule?a)0.3b)0.6c)1.2d)1Correct answer is option 'D'. Can you explain this answer?.
In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C is 0.3. what is the A +G/T +C ratio of the entire DNA molecule?a)0.3b)0.6c)1.2d)1Correct answer is option 'D'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C is 0.3. what is the A +G/T +C ratio of the entire DNA molecule?a)0.3b)0.6c)1.2d)1Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In one polynucleotide strand of a DNA molecule, the ratio of A+T/G+C is 0.3. what is the A +G/T +C ratio of the entire DNA molecule?a)0.3b)0.6c)1.2d)1Correct answer is option 'D'. Can you explain this answer?.
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