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Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
Edition 4ISBN: 978-0138004644Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
Edition 4ISBN: 978-0138004644 Exercise 7
The average human chromosome contains about 1 × 10 8 bp of DNA.
(a) If each base pair has a mass of about 660 daltons, and there are about 2 grams of protein (histones plus nonhistones) per gram of DNA, how much does such a chromosome weigh, in grams
(b) If the DNA were extended, how long would it be
(c) An actual chromosome is about 5 mm in length. What is the approximate compaction ratio
(d) You have about 10 12 cells in your body. If you have 46 chromosomes in each cell, what is the approximate extended length of all of your DNA For comparison, the distance from the earth to the sun is about 1.5 × 10 8 km.
(a) If each base pair has a mass of about 660 daltons, and there are about 2 grams of protein (histones plus nonhistones) per gram of DNA, how much does such a chromosome weigh, in grams
(b) If the DNA were extended, how long would it be
(c) An actual chromosome is about 5 mm in length. What is the approximate compaction ratio
(d) You have about 10 12 cells in your body. If you have 46 chromosomes in each cell, what is the approximate extended length of all of your DNA For comparison, the distance from the earth to the sun is about 1.5 × 10 8 km.
Explanation
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(a)Note that 1 dalton is equivalent to 1...
Biochemistry 4th Edition by Christopher Mathews,Kensal van Holde, Dean Appling, Spencer Anthony Cahill
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